title: List of Piper species
text: # List of Piper species
  
  The following is a list of all 2400 species in the flowering plant genus Piper which are recognised by Plants of the World Online as of 18May2022.
  
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  * Piper abajoense Bornst.
  * Piper abalienatum Trel.
  * Piper abbadianum Yunck.
  * Piper abbreviatum Opiz
  * Piper abellinum Trel. & Yunck.
  * Piper aberrans C.DC.
  * Piper abutiloides (Kunth) Kunth ex Steud.
  * Piper achoteanum Trel.
  * Piper achotense Trel. & Yunck.
  * Piper achromatolepis Trel.
  * Piper achupallasense Yunck.
  * Piper acre Blume
  * Piper actae Trel.
  * Piper acutamentum C.DC.
  * Piper acutibracteum C.DC.
  * Piper acutifolium Ruiz & Pav.
  * Piper acutilimbum C.DC.
  * Piper acutissimum Trel.
  * Piper acutistigmum C.DC.
  * Piper acutistipulum C.DC.
  * Piper acutiusculum C.DC.
  * Piper acutulum Trel.
  * Piper adamatum Trel. & Standl.
  * Piper addisonii Yunck.
  * Piper adenandrum (Miq.) C.DC.
  * Piper adenophlebium Trel.
  * Piper admirabile Yunck.
  * Piper adreptum Trel.
  * Piper aduncum L.
  * Piper aequale Vahl
  * Piper aereum Trel.
  * Piper aeruginosibaccum Trel.
  * Piper affectans Trel.
  * Piper affictum Trel.
  * Piper afflictum Trel.
  * Piper agellifolium Trel. & Yunck.
  * Piper aghaense E.F.Guim. & Carv.-Silva
  * Piper agostiniorum Steyerm.
  * Piper aguacalientis Trel.
  * Piper aguadulcense Yunck.
  * Piper agusanense C.DC.
  * Piper ailigandiense Callejas
  * Piper alajuelanum Trel.
  * Piper alatabaccum Trel. & Yunck.
  * Piper alatipetiolatum Yunck.
  * Piper albamentum C.DC.
  * Piper albanense Yunck.
  * Piper albiciliatum Yunck.
  * Piper albidiflorum C.DC.
  * Piper albidistigmatum C.DC.
  * Piper albidum Kunth
  * Piper albogranulatum Trel.
  * Piper albomaculatum D.Dietr.
  * Piper albopapillatum Trel.
  * Piper albopilosum Yunck.
  * Piper albopunctatum C.DC.
  * Piper albopunctulatissimum Trel.
  * Piper albozonatum C.DC.
  * Piper albuginiferum Trel.
  * Piper alexii Callejas
  * Piper aleyreanum C.DC.
  * Piper allardii Yunck.
  * Piper allatum Trel.
  * Piper allisum Trel.
  * Piper alnoides (Kunth) Kunth ex Steud.
  * Piper altevaginans Trel.
  * Piper alushii Callejas
  * Piper alveolatum Opiz
  * Piper amalago L.
  * Piper amoenum Yunck.
  * Piper amparoense Yunck.
  * Piper amphibium Trel.
  * Piper amphioxys Trel.
  * Piper amphitrichum Trel.
  * Piper amphoricarpum Trel.
  * Piper amplectenticaule Trel. & Yunck.
  * Piper amplum (Kunth) Steud.
  * Piper anastylum Trel.
  * Piper andakiensis W.Trujillo-C. & Callejas
  * Piper andreanum C.DC.
  * Piper andresense Trel.
  * Piper androgynum C.DC.
  * Piper angamarcanum Sodiro ex C.DC.
  * Piper angsiense I.M.Turner
  * Piper angustifolium Lam.
  * Piper angustipeltatum Merr.
  * Piper anisophyllum Trel.
  * Piper anisopleurum C.DC.
  * Piper anisotis Hook.f.
  * Piper anisotrichum C.DC.
  * Piper anisum (Spreng.) Angely
  * Piper annulatispicum Trel. & Yunck.
  * Piper anonifolium (Kunth) Steud.
  * Piper anonymum Trel.
  * Piper anostachyum Yunck.
  * Piper antherisobovatum Callejas
  * Piper antioquiense C.DC.
  * Piper antonense Callejas
  * Piper apertum Trel.
  * Piper apodum Trel.
  * Piper appendiculatum (Benth.) C.DC.
  * Piper apurimacanum Trel.
  * Piper apus Trel.
  * Piper aramanum C.DC.
  * Piper araneatum Trel.
  * Piper araquei Yunck.
  * Piper arbelaezii Trel. & Yunck.
  * Piper arboreum Aubl.
  * Piper arborigaudens C.DC.
  * Piper arborioccupans Trel. ex Callejas
  * Piper arcessitum Trel.
  * Piper archeri Trel. & Yunck.
  * Piper arcteacuminatum Trel.
  * Piper arcuatum Blume
  * Piper arduum Trel.
  * Piper arenicola Trel.
  * Piper areolatum (Miq.) C.DC.
  * Piper arfakianum C.DC.
  * Piper argentamentum Trel. & Yunck.
  * Piper argyrites Ridl. ex C.DC.
  * Piper argyroneurum Hallier f.
  * Piper argyrophyllum Miq.
  * Piper arieianum C.DC.
  * Piper aristolochiphyllum Quisumb.
  * Piper armatum Trel. & Yunck.
  * Piper aromaticaule Callejas
  * Piper arrectispicum Trel.
  * Piper arreptum Trel.
  * Piper artanthe C.DC.
  * Piper artanthopse C.DC.
  * Piper articulatum A.Rich.
  * Piper arunachalense Gajurel, Rethy & Y.Kumar
  * Piper arundinetorum Trel.
  * Piper ascendentispicum Trel.
  * Piper asclepiadifolium Trel.
  * Piper aserrianum Trel.
  * Piper aspericaule Trel.
  * Piper asperilimbum C.DC.
  * Piper asperiusculum Kunth
  * Piper asperulibaccum C.DC.
  * Piper asplundii Yunck.
  * Piper asterocarpum Trel.
  * Piper asterostigmum Quisumb.
  * Piper asterotrichum C.DC.
  * Piper asymmetricum C.DC.
  * Piper atlantidanum Trel.
  * Piper atrichopus Trel.
  * Piper atrobaccum Trel. & Yunck.
  * Piper atroglandulosum Tebbs
  * Piper atropremnon Trel.
  * Piper attenuatamentum Trel.
  * Piper attenuatum Buch.-Ham. ex Miq.
  * Piper augustum Rudge
  * Piper aulacospermum Callejas
  * Piper auriculiferum Trel.
  * Piper auriculilaminum Yunck.
  * Piper aurilimbum C.DC.
  * Piper auritifolium Trel.
  * Piper auritum Kunth
  * Piper aurorubrum C.DC.
  * Piper austini Trel.
  * Piper austrocaledonicum C.DC.
  * Piper austromexicanum Trel.
  * Piper austrosinense Y.C.Tseng
  * Piper avanum Wall.
  * Piper avellanum (Miq.) C.DC.
  * Piper azuaiense Yunck.
  * Piper azupizuanum Trel.
  
  ## B
  
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  * Piper baccans (Miq.) C.DC.
  * Piper baccatum Blume
  * Piper baculiferum Trel.
  * Piper baezanum Sodiro ex C.DC.
  * Piper baezense Trel.
  * Piper baguionum C.DC.
  * Piper bahianum Yunck.
  * Piper bajanum Trel. & Yunck.
  * Piper bakeri C.DC. ex Callejas
  * Piper bakerianum C.DC.
  * Piper balansae C.DC.
  * Piper balsapuertanum Trel.
  * Piper bambusifolium Y.C.Tseng
  * Piper bangii C.DC.
  * Piper bangkanum C.DC.
  * Piper bantamense Blume
  * Piper baracoanum León
  * Piper baramense C.DC.
  * Piper barbatum Kunth
  * Piper barberi Gamble
  * Piper barbicuspe Trel.
  * Piper barbinerve Trel.
  * Piper barbirostre Trel.
  * Piper barbispicum C.DC.
  * Piper barbosanum Trel. & Yunck.
  * Piper barbulantherum Trel.
  * Piper barbulatum C.DC.
  * Piper barcoense Yunck.
  * Piper barkleyi Yunck.
  * Piper barretoi Yunck.
  * Piper barriosense Trel. & Standl.
  * Piper bartlingianum (Miq.) C.DC.
  * Piper basegibbosum Callejas
  * Piper basilobatum Trel. & Yunck.
  * Piper batuanum C.DC.
  * Piper beccarii C.DC.
  * Piper begoniicolor Trel. & Yunck.
  * Piper begoniifolium Hook. & Arn.
  * Piper begoniiforme Yunck.
  * Piper belicense Callejas
  * Piper bellidifolium Yunck.
  * Piper belloi Yunck.
  * Piper bellum Yunck.
  * Piper belterraense Yunck.
  * Piper bengalense C.DC.
  * Piper bennettianum C.DC.
  * Piper berembunense Chaveer. & Sudmoon
  * Piper berlandieri C.DC.
  * Piper bermejanum Trel. & Yunck.
  * Piper bernoullii C.DC. ex Callejas
  * Piper berryi Steyerm.
  * Piper betle L.
  * Piper betleoides C.DC.
  * Piper betloides Chaveer. & Tanomtong
  * Piper biauritum C.DC.
  * Piper bicorne Carv.-Silva, E.F.Guim. & L.A.Pereira
  * Piper bikanum O.Schwartz
  * Piper bilobulatum C.DC.
  * Piper bipedale C.DC.
  * Piper bipunctatum C.DC.
  * Piper biritak Trel. & Standl.
  * Piper bisasperatum Trel.
  * Piper biseriatum C.DC.
  * Piper bistigmatum C.DC.
  * Piper blattarum Spreng.
  * Piper blepharilepidum Trel.
  * Piper boehmeriifolium (Miq.) Wall. ex C.DC.
  * Piper boissierianum C.DC.
  * Piper boivinii C.DC.
  * Piper bojonyum C.DC.
  * Piper bolanicum Schltr. ex R.O.Gardner
  * Piper bolivaranum Yunck.
  * Piper bolivianum C.DC.
  * Piper bonii C.DC.
  * Piper boorsroae C.DC.
  * Piper boqueronense Callejas
  * Piper boquetense Yunck.
  * Piper boquianum Trel. & Yunck.
  * Piper borbonense (Miq.) C.DC.
  * Piper borneense N.E.Br.
  * Piper bosnicanum C.DC.
  * Piper botrytes Vahl
  * Piper bourgeaui C.DC.
  * Piper bowiei Yunck.
  * Piper brachipilum Yunck.
  * Piper brachistopodum C.DC.
  * Piper brachypetiolatum Yunck.
  * Piper brachypodon (Benth.) C.DC.
  * Piper brachypus Trel.
  * Piper brachystylum Trel.
  * Piper brachytrichum Trel.
  * Piper bradei Yunck.
  * Piper brassii Trel.
  * Piper bredemeyeri J.Jacq.
  * Piper breedlovei Callejas
  * Piper brenesii C.DC.
  * Piper breve C.DC.
  * Piper brevesanum Yunck.
  * Piper breviamentum C.DC.
  * Piper brevicuspe (Miq.) Merr.
  * Piper brevifolium C.DC.
  * Piper brevilimbum C.DC.
  * Piper brevipedicellatum Bornst.
  * Piper brevipedunculatum C.DC.
  * Piper brevipes C.DC.
  * Piper brevispicum C.DC.
  * Piper brevistigmum C.DC.
  * Piper brevistrigillosum Trel.
  * Piper brevistylum C.DC.
  * Piper brewsteri Callejas
  * Piper brisasense Yunck.
  * Piper brongniartii (Miq.) C.DC.
  * Piper brownsbergense Yunck.
  * Piper bryogetum C.DC.
  * Piper buchii Urb.
  * Piper buchingeri C.DC. ex Callejas
  * Piper bullatifolium Sodiro
  * Piper bullatilimbum Pilg.
  * Piper bullosum C.DC.
  * Piper bullulatum M.A.Jaram.
  * Piper bullulifolium Trel.
  * Piper burenii C.DC.
  * Piper burgeri Callejas
  * Piper burkillii Ridl.
  * Piper buruanum Miq.
  
  ## C
  
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  * Piper cabagranum C.DC.
  * Piper caballetense R.Bernal
  * Piper caballo-cochanum Trel.
  * Piper cabralanum C.DC.
  * Piper cachimboense Yunck.
  * Piper cacuminum C.DC.
  * Piper cadenaense Tebbs
  * Piper caducibracteum C.DC.
  * Piper cajamarcanum Yunck.
  * Piper cajambrense Trel. & Yunck.
  * Piper caladiifolium (Miq.) C.DC.
  * Piper calamistratum Trel.
  * Piper calanyanum Trel. & Yunck.
  * Piper calcaratum C.DC.
  * Piper calcariforme Tebbs
  * Piper calceolarium C.DC.
  * Piper caldasianum (Miq.) Yunck.
  * Piper caldense C.DC.
  * Piper calderonii Trel. ex Callejas
  * Piper caliendriferum Trel.
  * Piper callcanense Trel.
  * Piper callibracteum C.DC.
  * Piper callosum Ruiz & Pav.
  * Piper calocoma (Miq.) C.DC.
  * Piper calophyllum C.DC.
  * Piper calvarii S.M.Niño & Dorr
  * Piper calvescens Trel.
  * Piper calvescentinerve Trel.
  * Piper calvibaccum Trel.
  * Piper calvilimbum C.DC.
  * Piper calvirameum C.DC.
  * Piper cambessedesii (Miq.) C.DC.
  * Piper cambodianum C.DC.
  * Piper camiloi Yunck.
  * Piper campanum Yunck.
  * Piper camphoriferum C.DC.
  * Piper campii Yunck.
  * Piper camptostachys Urb.
  * Piper canaense Standl.
  * Piper canaliculum Tebbs
  * Piper canastrense E.F.Guim. & Carv.-Silva
  * Piper canavillosum Steyerm.
  * Piper candelarianum C.DC.
  * Piper candollei Sodiro
  * Piper canescens J.Mathew
  * Piper canovillosum Steyerm.
  * Piper capacibracteum Trel.
  * Piper capense L.f.
  * Piper capillipes Trel. & Yunck.
  * Piper capillistipes Trel.
  * Piper capitarianum Yunck.
  * Piper capitellatum C.DC.
  * Piper captum Trel.
  * Piper caquetanum Yunck.
  * Piper caracolanum C.DC.
  * Piper caranoense W.Trujillo-C.
  * Piper cararense Trel. & Yunck.
  * Piper carautensei E.F.Guim. & Carv.-Silva
  * Piper carizalanum C.DC.
  * Piper carlosii Trel. & Yunck.
  * Piper carminis Trel.
  * Piper carnibracteum C.DC.
  * Piper carniconnectivum C.DC.
  * Piper carnistigmum C.DC.
  * Piper carpinteranum C.DC.
  * Piper carpunya Ruiz & Pav.
  * Piper carrapanum Trel.
  * Piper carrilloanum C.DC.
  * Piper cartagoanum C.DC.
  * Piper casapiense (Miq.) C.DC.
  * Piper casimirianum Hemsl.
  * Piper cassinoides Opiz
  * Piper casteloense Yunck.
  * Piper castroanum Trel. & Yunck.
  * Piper cataractarum Trel.
  * Piper cathayanum M.G.Gilbert & N.H.Xia
  * Piper cativalense Trel.
  * Piper catripense Yunck.
  * Piper caucaense Yunck.
  * Piper caudatifolium Trel.
  * Piper cavalcantei Yunck.
  * Piper cavendishioides Trel. & Yunck.
  * Piper cayoense Trel.
  * Piper ceanothifolium Kunth
  * Piper ceibense C.DC.
  * Piper cejanum Trel. & Yunck.
  * Piper celebicum Blume
  * Piper celer Trel.
  * Piper celsum Trel.
  * Piper celtidiforme Opiz
  * Piper cenocladum C.DC.
  * Piper centroense Trel. & Yunck.
  * Piper ceramicum (Miq.) C.DC.
  * Piper cercidiphyllum Trel.
  * Piper cernuum Vell.
  * Piper cerrocampanum Callejas
  * Piper cerronianum Steyerm.
  * Piper certeguiense Trel. & Yunck.
  * Piper chacaritaense Callejas
  * Piper chagresianum Trel.
  * Piper chalhuapuquianum Trel.
  * Piper chamissonis (Miq.) Steud.
  * Piper chanchamayanum Trel.
  * Piper chanekii Trel.
  * Piper changuinolanum Trel.
  * Piper chantaranothaii Suwanph. & D.A.Simpson
  * Piper chavicoides (Miq.) C.DC.
  * Piper cheyennense Trel. & Standl.
  * Piper chiadoense Yunck.
  * Piper chiangdaoense Suwanph. & Chantar.
  * Piper chiapasense Callejas
  * Piper chimborazoense Yunck.
  * Piper chimonanthifolium (Kunth) Kunth ex Steud.
  * Piper chinantlense M.Martens & Galeotti
  * Piper chinense Miq.
  * Piper chiquihuitense Trel. & Standl.
  * Piper chiriquinum C.DC.
  * Piper chirripoense C.DC.
  * Piper chlorostachyum C.DC.
  * Piper choapamense Trel. ex Callejas
  * Piper christyi C.DC.
  * Piper chromatolepis Trel.
  * Piper chrysoneurum Trel.
  * Piper chrysostachyum C.DC.
  * Piper chuarense M.A.Jaram. & Callejas
  * Piper chumboense Yunck.
  * Piper churruyacoanum Trel. & Yunck.
  * Piper churumayu Ruiz & Pav.
  * Piper cicatriculosum Trel. & Yunck.
  * Piper cihuatlanense Bornst.
  * Piper ciliatifolium Trel.
  * Piper cilibracteum C.DC.
  * Piper cililimbum Yunck.
  * Piper ciliomarginatum Görts & Christenh.
  * Piper cincinnatum Trel.
  * Piper cinereocaule C.DC.
  * Piper cinereum C.DC.
  * Piper cingens C.DC.
  * Piper ciniflonis Trel.
  * Piper circumspectantis Trel.
  * Piper cirratum Trel.
  * Piper cisnerosense Trel. & Yunck.
  * Piper cispontinum Trel.
  * Piper claseanum Bornst.
  * Piper clathratum Sodiro ex C.DC.
  * Piper claudii C.DC.
  * Piper claussenianum (Miq.) C.DC.
  * Piper clavibracteum C.DC.
  * Piper clavuligerum Trel.
  * Piper clivicola Standl. & L.O.Williams
  * Piper clypeatum Wall. ex Hook.f.
  * Piper coactile Ridl.
  * Piper coactipilum Trel.
  * Piper coactoris Trel.
  * Piper coariense Yunck.
  * Piper cobanense Trel.
  * Piper cobarianum Trel. & Yunck.
  * Piper coccoloboides (Kunth) Kunth ex Steud.
  * Piper cochleatum Sodiro
  * Piper coclense Callejas
  * Piper cocornanum Trel. & Yunck.
  * Piper cocquericotense Trel.
  * Piper coeloneurum Diels
  * Piper coilostachyum C.DC.
  * Piper colaphitolerans Trel.
  * Piper colipanum C.DC.
  * Piper colligatispicum Trel. & Yunck.
  * Piper collinum C.DC.
  * Piper colonense C.DC.
  * Piper colotlipanense Bornst.
  * Piper colubrinum Link
  * Piper comasense Trel.
  * Piper comatum Trel.
  * Piper comayaguanum Trel.
  * Piper come Trel. & Standl.
  * Piper commutatum Steud.
  * Piper compactum Trel.
  * Piper concepcionis Trel.
  * Piper concinnifolium Trel.
  * Piper concretiflorum C.DC.
  * Piper conditum Trel.
  * Piper condotoense Trel. & Yunck.
  * Piper conejoense Trel. & Yunck.
  * Piper confertinodum (Trel. & Yunck.) M.A.Jaram. & Callejas
  * Piper confusionis Trel.
  * Piper confusum C.DC.
  * Piper conibaccum C.DC.
  * Piper conispicum Trel.
  * Piper coniunctonis Callejas
  * Piper conquistanum Yunck.
  * Piper consanguineum (Kunth) Steud.
  * Piper constanzanum (C.DC.) Urb.
  * Piper contraverrugosum (Cuatrec.) R.Bernal
  * Piper controversum Steud.
  * Piper conversum Trel.
  * Piper cooperi Yunck.
  * Piper copacabanense Trel.
  * Piper copeyanum (C.DC.) Trel.
  * Piper coralfalgense C.DC.
  * Piper corcovadense (Miq.) C.DC.
  * Piper cordatilimbum Quisumb.
  * Piper cordatum C.DC.
  * Piper cordiforme Steyerm.
  * Piper cordilimbum C.DC.
  * Piper cordillerianum C.DC.
  * Piper cordoncillo Trel.
  * Piper cordovanum C.DC.
  * Piper corei (Yunck.) R.Bernal
  * Piper coriaceilimbum C.DC.
  * Piper corintoananum Yunck.
  * Piper cornifolium Kunth
  * Piper cornilimbum C.DC.
  * Piper coronanum Trel. & Standl.
  * Piper coronatibracteum Trel.
  * Piper corozalanum Trel.
  * Piper corpulentispicum Trel. & Yunck.
  * Piper corrugatum Kuntze
  * Piper coruscans Kunth
  * Piper corylistachyopsis Trel.
  * Piper costaricense C.DC.
  * Piper costatum C.DC.
  * Piper costulatum C.DC.
  * Piper courtallense P.K.Mukh.
  * Piper cowanii (Yunck.) Yunck.
  * Piper coyolesense Trel.
  * Piper crassicaule Trel.
  * Piper crassinervium Kunth
  * Piper crassipedunculum Yunck.
  * Piper crassipes Korth. ex Miq.
  * Piper crassistilum Yunck.
  * Piper crassum Blume
  * Piper crebrinodum C.DC.
  * Piper crenatifolium Trel. & Yunck.
  * Piper crenulatibracteum C.DC.
  * Piper crenulatum Steyerm.
  * Piper cricamolense Trel.
  * Piper criniovarium Yunck.
  * Piper crispatum A.C.Sm.
  * Piper cristalinanum Trel. & Yunck.
  * Piper cristicola Trel.
  * Piper cristinanum Trel. & Standl.
  * Piper crocatum Ruiz & Pav.
  * Piper cuasianum Standl.
  * Piper cuatrecasasii (Trel. & Yunck.) R.Bernal
  * Piper cubataonum C.DC.
  * Piper cubeba L.f.
  * Piper cubilquitzianum C.DC.
  * Piper cucullatum Callejas
  * Piper cufodontii Trel.
  * Piper culebranum C.DC.
  * Piper cumanense Kunth
  * Piper cumaralense C.DC.
  * Piper cumbasonum C.DC.
  * Piper cumbotianum C.DC.
  * Piper cuniculorum Trel. & Yunck.
  * Piper cunninghamii Yunck.
  * Piper cupreatum Trel.
  * Piper curridabatanum Trel.
  * Piper curtifolium C.DC.
  * Piper curtilimbum C.DC.
  * Piper curtipetiolum C.DC.
  * Piper curtirachis W.C.Burger
  * Piper curtisii C.DC.
  * Piper curtispicum C.DC.
  * Piper curtistilum C.DC.
  * Piper curtistipes C.DC.
  * Piper curvatipes Trel.
  * Piper curvatum Ruiz & Pav.
  * Piper curvinervium Callejas & Betancur
  * Piper curvipilum Trel.
  * Piper cuspidatum Desv.
  * Piper cuspidibracteatum Yunck.
  * Piper cuspidiflorum Callejas
  * Piper cuspidilimbum C.DC.
  * Piper cuspidispicum Trel.
  * Piper cutucuense Yunck.
  * Piper cuyabanum C.DC.
  * Piper cuyunianum Steyerm.
  * Piper cyanophyllum Trel.
  * Piper cyphophyllopse Trel. & Yunck.
  * Piper cyphophyllum C.DC.
  * Piper cyprium Trel. & Yunck.
  * Piper cyrtopodum (Miq.) C.DC.
  * Piper cyrtostachys Ridl.
  
  ## D
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
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  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper dactylostigmum Yunck.
  * Piper daedalum Trel.
  * Piper daguanum C.DC.
  * Piper damiaoshanense Y.C.Tseng
  * Piper daniel-gonzalezii Trel.
  * Piper darienense C.DC.
  * Piper dasyoura (Miq.) C.DC.
  * Piper dasypodum (Miq.) C.DC.
  * Piper dasypogon C.DC.
  * Piper davaoense C.DC.
  * Piper davidianum C.DC.
  * Piper davidsoniae Yunck.
  * Piper dawsonii Trel.
  * Piper deamii Trel.
  * Piper decipiens (Miq.) C.DC.
  * Piper decrescens (Miq.) C.DC.
  * Piper decumanum L.
  * Piper decurrens C.DC.
  * Piper decurtispicum (Trel. & Yunck.) Callejas
  * Piper dedititium Trel.
  * Piper deductum Trel.
  * Piper deflexispicum Trel.
  * Piper degeneri A.C.Sm.
  * Piper delectans Trel.
  * Piper delicatum C.DC.
  * Piper deliciasanum Steyerm.
  * Piper delirioi Sarnaglia & E.F.Guim.
  * Piper deltoideocarpum Trel.
  * Piper demeraranum (Miq.) C.DC.
  * Piper demoratum Trel.
  * Piper dempoanum C.DC.
  * Piper dendroamans Trel. ex Callejas
  * Piper dennisii Trel.
  * Piper densiciliatum Yunck.
  * Piper denudatissimum Callejas
  * Piper depressibaccum Trel.
  * Piper descourtilsianum C.DC.
  * Piper desultorium Trel.
  * Piper detonsum Trel.
  * Piper diazanum Trel.
  * Piper dichotomum Ruiz & Pav.
  * Piper dichroostachyum Trel. & Yunck.
  * Piper diffamatum Trel. & Yunck.
  * Piper diffundum Yunck.
  * Piper diffusum Vahl
  * Piper diguaense Yunck.
  * Piper dilatatum Rich.
  * Piper dimetrale C.DC.
  * Piper dimorphophyllum Trel.
  * Piper dimorphotrichum Yunck.
  * Piper dimorphum Callejas
  * Piper dindingsianum C.DC.
  * Piper diospyrifolium (Kunth) Kunth ex Steud.
  * Piper dipterocarpinum C.DC.
  * Piper diquisanum C.DC.
  * Piper discriminatum Trel. & Yunck.
  * Piper disparifolium Trel.
  * Piper disparinervium Callejas
  * Piper disparipes Trel.
  * Piper disparipilum C.DC.
  * Piper dissimulans Trel.
  * Piper distichum Trel. & Yunck.
  * Piper distigmatum Yunck.
  * Piper divaricatum G.Mey.
  * Piper diversipilum Trel.
  * Piper divortans Trel. & Yunck.
  * Piper divulgatum Trel. & Yunck.
  * Piper djabia C.DC.
  * Piper dodsonii Yunck.
  * Piper doiphukhaense Suwanph. & Chantar.
  * Piper dolichostachyum M.G.Gilbert & N.H.Xia
  * Piper dolichostylum Callejas & Betancur
  * Piper dolichotrichum Yunck.
  * Piper domingense C.DC.
  * Piper donnell-smithii C.DC.
  * Piper dotanum Trel.
  * Piper douglasii Callejas
  * Piper dravidii Lekhak, Kambale & S.R.Yadav
  * Piper dryadum C.DC.
  * Piper duartei E.F.Guim. & Carv.-Silva
  * Piper duckei C.DC.
  * Piper dukei Yunck.
  * Piper dulce Trel.
  * Piper dumeticola C.DC.
  * Piper dumiformans C.DC.
  * Piper dumosum Rudge
  * Piper dunlapii Trel.
  * Piper dunstervilleorum Steyerm.
  * Piper durilignum C.DC.
  * Piper durilimbum C.DC.
  * Piper durionoides Suwanph. & Chantar.
  * Piper durvilleanum (Miq.) Trel.
  * Piper dussii C.DC.
  
  ## E
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper ecallosum Trel.
  * Piper echeverrianum Trel.
  * Piper echinocaule Yunck.
  * Piper echinovarium Yunck.
  * Piper ecuadorense Sodiro
  * Piper edurum Trel.
  * Piper edwallii Yunck.
  * Piper ejuncidum Trel.
  * Piper elasmophyllum Trel.
  * Piper elatostema Hallier f.
  * Piper elbancoanum Trel. & Yunck.
  * Piper elbertii C.DC.
  * Piper elcaranyanum Trel. & Yunck.
  * Piper eldoradense Trel. ex Callejas
  * Piper ellipticifolium Yunck.
  * Piper ellipticolanceolatum (C.DC.) Trel.
  * Piper ellsworthii (Trel. & Yunck.) R.Bernal
  * Piper elmeri Merr.
  * Piper elongatum Vahl
  * Piper elparamoense Yunck.
  * Piper emancipationis Trel.
  * Piper emmerichianum Yunck.
  * Piper emollitum Trel.
  * Piper emygdioi Yunck.
  * Piper enckeaespicum (Trel. & Yunck.) Callejas
  * Piper endlicherianum (Miq.) Trel.
  * Piper enenyasense Trel.
  * Piper enganyanum Trel. & Yunck.
  * Piper ensifolium Quisumb.
  * Piper entradense Trel. & Yunck.
  * Piper epigynium C.DC.
  * Piper epilosipes Trel.
  * Piper epunctatum Trel.
  * Piper erectamentum C.DC.
  * Piper erecticaule C.DC.
  * Piper erectipilum Yunck.
  * Piper erectum C.DC.
  * Piper eriocladum Sodiro
  * Piper eriopodon (Miq.) C.DC.
  * Piper erubescentispica Trel.
  * Piper erythrostachyum C.DC.
  * Piper erythroxyloides R.E.Schult. & García-Barr.
  * Piper escaleranum C.DC.
  * Piper escuadranum Trel.
  * Piper esperancanum Yunck.
  * Piper eucalyptifolium Rudge
  * Piper eucalyptiphyllum C.DC.
  * Piper eucalyptolimbum C.DC.
  * Piper eupodum C.DC.
  * Piper euryphyllum C.DC.
  * Piper eustylum Diels
  * Piper evasum Trel.
  * Piper evingeri Yunck.
  * Piper evulsipilosum Trel.
  * Piper ewanii Yunck.
  * Piper exactum Trel. & Standl.
  * Piper exasperatum Vahl
  * Piper excavatum Ruiz & Pav.
  * Piper excelsum G.Forst.
  * Piper excessum Trel.
  * Piper exiguicaule Yunck.
  * Piper exiguispicum Trel.
  * Piper expolitum Trel.
  * Piper externum Trel.
  
  ## F
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
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  * W
  * X
  * Y
  * Z
  * Piper factum Trel.
  * Piper fadyenii C.DC.
  * Piper faecatum Trel.
  * Piper fagifolium Trel.
  * Piper falanense Trel. & Yunck.
  * Piper falcifolium Trel.
  * Piper falcigerum Trel.
  * Piper falcispicum Yunck.
  * Piper falconeri C.DC.
  * Piper falculispicum Trel. & Yunck.
  * Piper fallax Vahl
  * Piper fallenii A.H.Gentry
  * Piper fallens Trel.
  * Piper fanshawei Yunck.
  * Piper faroense Yunck.
  * Piper fastiditum Trel. & Yunck.
  * Piper faviculiferum Trel.
  * Piper ferreyrae Yunck.
  * Piper ferriei C.DC.
  * Piper figlinum Trel.
  * Piper filipedunculum C.DC.
  * Piper filipes C.DC.
  * Piper filiramosum Callejas
  * Piper filistilum C.DC.
  * Piper fimbrirachium Callejas
  * Piper fimbriulatum C.DC.
  * Piper firmifolium Trel.
  * Piper firmolimbum C.DC.
  * Piper fischerianum C.DC.
  * Piper flagellicuspe Trel. & Yunck.
  * Piper flavescens (C.DC.) Trel.
  * Piper flavibaccum C.DC.
  * Piper flavicans C.DC.
  * Piper flavidum C.DC.
  * Piper flavifructum Trel.
  * Piper flaviramum C.DC.
  * Piper flavispicum C.DC.
  * Piper flavoviride C.DC.
  * Piper flexuosum Rudge
  * Piper fonteboanum Yunck.
  * Piper foreroi A.H.Gentry
  * Piper formici-tolerans Trel.
  * Piper formosum (Miq.) C.DC.
  * Piper forstenii C.DC.
  * Piper fortalezanum Trel.
  * Piper fortunaense Tebbs
  * Piper fortunyoanum Trel.
  * Piper fragile Benth.
  * Piper fragiliforme C.DC.
  * Piper fragrans Trel.
  * Piper fraguanum Trel.
  * Piper francovilleanum C.DC.
  * Piper fresnoense Trel. & Yunck.
  * Piper friedrichsthalii C.DC.
  * Piper frioense Standl. & Steyerm.
  * Piper froesii Yunck.
  * Piper frostii Trel. ex Callejas
  * Piper frustratum (Miq.) Boerl.
  * Piper fuertesii C.DC.
  * Piper fulgentifolium Yunck.
  * Piper fulgidum Yunck.
  * Piper fuligineum (Kunth) Steud.
  * Piper fuliginosum Sodiro
  * Piper fulvescenticaule Trel.
  * Piper funckii C.DC.
  * Piper fundacionense Steyerm.
  * Piper fungiforme Spokes
  * Piper fusagasuganum Trel. & Yunck.
  * Piper fuscescentispicum C.DC.
  * Piper fuscinervium Quisumb.
  * Piper fuscispicum Trel.
  * Piper fuscobracteatum Trel.
  * Piper futuri Trel. & Yunck.
  
  ## G
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
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  * N
  * O
  * P
  * Q
  * R
  * S
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  * V
  * W
  * X
  * Y
  * Z
  * Piper galeatum (Miq.) C.DC.
  * Piper galicianum Steyerm.
  * Piper gallatlyi C.DC.
  * Piper gamboanum (C.DC.) C.DC.
  * Piper garagaranum C.DC.
  * Piper gatunense Trel.
  * Piper gaudichaudianum (Kunth) Kunth ex Steud.
  * Piper gaumeri Trel.
  * Piper generalense Trel.
  * Piper geniculatum Sw.
  * Piper gentlei Trel.
  * Piper gentryi Steyerm.
  * Piper genuflexum Trel.
  * Piper georginum Trel. & Standl.
  * Piper gerardoi Callejas
  * Piper gerritii Callejas
  * Piper gibbiflorum C.DC.
  * Piper gibbilimbum C.DC.
  * Piper gibbosum C.DC.
  * Piper gigas Trel.
  * Piper gilvescens Trel.
  * Piper gilvibaccum Trel.
  * Piper giordanoi E.F.Guim. & D.Monteiro
  * Piper glaberrimum C.DC.
  * Piper glabratum (Kunth) Steud.
  * Piper glabrescens (Miq.) C.DC.
  * Piper glabribaccum Trel.
  * Piper glabribracteum Yunck.
  * Piper glabrifolium C.DC.
  * Piper glabrius Trel.
  * Piper glanduligerum C.DC.
  * Piper glandulosissimum Yunck.
  * Piper globulantherum C.DC.
  * Piper globulistigmum C.DC.
  * Piper goeldii C.DC.
  * Piper goesii Yunck.
  * Piper golfitoense Callejas
  * Piper gonagricum Trel.
  * Piper gonocarpum Trel.
  * Piper gorgonillense Trel. & Yunck.
  * Piper gracile Ruiz & Pav.
  * Piper gracilipes C.DC.
  * Piper graciliramosum Yunck.
  * Piper gracillimum Trel.
  * Piper graeffei Warb.
  * Piper grande Vahl
  * Piper grandilimbum C.DC.
  * Piper grandispicum C.DC.
  * Piper grantii Yunck.
  * Piper granulatum Trel.
  * Piper granuligerum Trel.
  * Piper gratum Trel.
  * Piper graveolens C.DC.
  * Piper grayumii Callejas
  * Piper griffithii C.DC.
  * Piper griseocaule Trel.
  * Piper griseolimbum Trel. & Yunck.
  * Piper griseopubens Trel.
  * Piper griseum C.DC.
  * Piper guacimonum (C.DC.) Trel.
  * Piper guahamense C.DC.
  * Piper gualeanum Sodiro ex C.DC.
  * Piper guanacostense C.DC.
  * Piper guanahacabibense Borhidi
  * Piper guapense Yunck.
  * Piper guatemalense Callejas
  * Piper guatopoense Yunck.
  * Piper guazacapanense Trel. & Standl.
  * Piper guedesii C.DC.
  * Piper guianense (Klotzsch) C.DC.
  * Piper guineense Schumach. & Thonn.
  * Piper gurupanum Yunck.
  * Piper gutierrezii Yunck.
  * Piper gymnocladum C.DC.
  * Piper gymnophyllum C.DC.
  
  ## H
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
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  * V
  * W
  * X
  * Y
  * Z
  * Piper hainanense Hemsl.
  * Piper halconense C.DC.
  * Piper halesiifolium (Kunth) Kunth ex Steud.
  * Piper hamiltonii C.DC.
  * Piper hammelii Callejas
  * Piper hancei Maxim.
  * Piper harlingii Yunck.
  * Piper harmandii C.DC.
  * Piper hartii C.DC.
  * Piper hartwegianum (Benth.) C.DC.
  * Piper hassleri C.DC.
  * Piper hatschbachii Yunck.
  * Piper haughtii Trel. & Yunck.
  * Piper havilandii C.DC.
  * Piper hayneanum C.DC.
  * Piper hebetifolium W.C.Burger
  * Piper hederaceum (Miq.) C.DC.
  * Piper heimii C.DC.
  * Piper hemmendorffii C.DC.
  * Piper heptandrum (Miq.) C.DC.
  * Piper hermannii Trel. & Yunck.
  * Piper hermes Trel. & Standl.
  * Piper hermosanum Yunck.
  * Piper herrerae Trel.
  * Piper heterobracteum Steyerm.
  * Piper heterocarpum Trel.
  * Piper heterophyllum Ruiz & Pav.
  * Piper heterotrichum C.DC.
  * Piper heydei C.DC.
  * Piper hians Trel.
  * Piper hieronymi C.DC.
  * Piper hillianum C.DC.
  * Piper hippocrepiforme Steyerm.
  * Piper hirtellipetiolum C.DC.
  * Piper hirtilimbum Trel. & Yunck.
  * Piper hirtovarium C.DC.
  * Piper hispidiramum C.DC.
  * Piper hispidiseptum Trel.
  * Piper hispidum Sw.
  * Piper hochiense Y.C.Tseng
  * Piper hodgei Yunck.
  * Piper hoehnei Yunck.
  * Piper hoffmannseggianum Schult.
  * Piper holdridgeanum W.C.Burger
  * Piper holguinianum Trel.
  * Piper hollrungii K.Schum. & Lauterb.
  * Piper holstii Callejas
  * Piper holtii Trel. & Yunck.
  * Piper holtonii C.DC.
  * Piper hondonadense Trel. & Yunck.
  * Piper hongkongense C.DC.
  * Piper hooglandii (I.Hutton & P.S.Green) M.A.Jaram.
  * Piper hookeri Miq.
  * Piper hookerianum (Miq.) C.DC.
  * Piper hosei C.DC.
  * Piper hosokawae Fosberg
  * Piper hostmannianum (Miq.) C.DC.
  * Piper huacachianum Trel.
  * Piper huacapistanum Trel.
  * Piper huallaganum Trel.
  * Piper huantanum Trel.
  * Piper huigranum Trel. & Yunck.
  * Piper huilanum C.DC.
  * Piper humaytanum Yunck.
  * Piper humillimum C.DC.
  * Piper humistratum Görts & K.U.Kramer
  * Piper humoense Trel.
  * Piper humorigaudens Trel.
  * Piper hydrolapathum C.DC.
  * Piper hylebates C.DC.
  * Piper hylophilum C.DC.
  * Piper hymenophyllum Miq.
  * Piper hymenopodum Sodiro
  * Piper hypoglaucum Miq.
  * Piper hypoleucum Sodiro
  
  ## I
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
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  * V
  * W
  * X
  * Y
  * Z
  * Piper ilheusense Yunck.
  * Piper illautum Trel.
  * Piper imberbe Trel. & Standl.
  * Piper immite Trel.
  * Piper immutatum Trel.
  * Piper imparipes Trel.
  * Piper imperiale (Miq.) C.DC.
  * Piper imperspicuibracteum Trel.
  * Piper impube Trel.
  * Piper inaequale C.DC.
  * Piper inauspicatum Trel.
  * Piper inclemens Trel. & Yunck.
  * Piper incomptum Trel.
  * Piper indecorum (Kunth) Kunth ex Steud.
  * Piper indianonum Trel.
  * Piper indiciflexum Trel.
  * Piper indicum C.DC.
  * Piper indignum Trel.
  * Piper infossibaccatum A.Huang
  * Piper infossum Y.C.Tseng
  * Piper infraluteum Trel.
  * Piper inhorrescens Trel.
  * Piper injucundum Trel.
  * Piper insectifugum C.DC. ex Seem.
  * Piper insignilaminum Trel. & Yunck.
  * Piper insignilimbum C.DC.
  * Piper insipiens Trel. & Yunck.
  * Piper insolens Trel.
  * Piper instabilipes Trel.
  * Piper insulicola Trel.
  * Piper interitum Trel.
  * Piper internibaccum C.DC.
  * Piper internovarium C.DC.
  * Piper interruptum Opiz
  * Piper intonsum Trel.
  * Piper intramarginatum Callejas
  * Piper iquitosense Trel.
  * Piper irazuanum C.DC.
  * Piper irrasum Trel.
  * Piper itatiaianum C.DC.
  * Piper itayanum Trel.
  * Piper ivonense Yunck.
  * Piper ixocubvainense Standl. & Steyerm.
  * Piper ixtlanense Callejas
  
  ## J
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper jaboncillanum Trel. & Yunck.
  * Piper jacaleapaense Callejas
  * Piper jacquemontianum (Kunth) Kunth ex Steud.
  * Piper jactatum Trel. & Standl.
  * Piper jalapense M.Martens & Galeotti
  * Piper jaliscanum S.Watson
  * Piper japurense (Miq.) C.DC.
  * Piper japvonum C.DC.
  * Piper jauaense Steyerm.
  * Piper javariense Yunck.
  * Piper javitense Kunth
  * Piper jenkinsii C.DC.
  * Piper jericoense Trel. & Yunck.
  * Piper jianfenglingense C.Y.Hao & Y.H.Tan
  * Piper josephii R.Bernal
  * Piper jubatum Trel.
  * Piper jubimarginatum Yunck.
  * Piper julianii Callejas
  * Piper juliflorum Nees & Mart.
  * Piper jumayense Trel. & Standl.
  
  ## K
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
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  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper kadsura (Choisy) Ohwi
  * Piper kandavuense A.C.Sm.
  * Piper kanehiranum Trel.
  * Piper kantetulense Trel.
  * Piper kapruanum C.DC.
  * Piper karpuragandhum J.Mathew & Yohannan
  * Piper karwinskianum (Kunth) Kunth ex Steud.
  * Piper kawakamii Hayata
  * Piper kelleyi Tepe
  * Piper kerberi C.DC.
  * Piper keyanum C.DC.
  * Piper khaoyaiense Suwanph. & D.A.Simpson
  * Piper khasianum C.DC.
  * Piper killipii Trel.
  * Piper kimpitirikianum Trel.
  * Piper kleinii Yunck.
  * Piper klossii Ridl.
  * Piper klotzschianum (Kunth) C.DC.
  * Piper klugianum Trel.
  * Piper klugii Yunck.
  * Piper kongkandanum Suwanph. & Chantar.
  * Piper konkintoense Trel.
  * Piper koordersii C.DC.
  * Piper kotanum C.DC.
  * Piper kreangense C.DC.
  * Piper krintjingense C.DC.
  * Piper krukoffii Yunck.
  * Piper kuhlmannii Yunck.
  * Piper kunstleri C.DC.
  * Piper kunthii (Miq.) C.DC.
  * Piper kurgianum P.K.Mukh.
  * Piper kurzii Ridl.
  * Piper kwashoense Hayata
  
  ## L
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper labillardierei C.DC.
  * Piper lacandonense Callejas
  * Piper laceratibracteum Trel.
  * Piper lacunosum Kunth
  * Piper ladoradense Trel. & Yunck.
  * Piper ladrillense Trel.
  * Piper laedans Trel.
  * Piper laetispicum C.DC.
  * Piper laeve Vahl
  * Piper laevibracteum Trel.
  * Piper laevicarpum Yunck.
  * Piper laevigatum Kunth
  * Piper lagenibaccum Trel.
  * Piper lagoaense C.DC.
  * Piper laguna-cochanum Trel. & Yunck.
  * Piper lagunaense Trel. & Yunck.
  * Piper lainatakanum C.DC.
  * Piper lamasense Trel.
  * Piper lanatibracteum Trel.
  * Piper lanatum Roxb.
  * Piper lanceifolium Kunth
  * Piper lanceolatum Ruiz & Pav.
  * Piper lancetillanum Trel.
  * Piper lanciferum Standl. & Steyerm.
  * Piper lancilimbum Yunck.
  * Piper landakanum C.DC.
  * Piper langlassei C.DC.
  * Piper lanosibracteum Trel.
  * Piper lanosicaule Trel.
  * Piper lanyuense K.N.Kung & Kun C.Chang
  * Piper laosanum C.DC.
  * Piper lapathifolium (Kunth) Steud.
  * Piper larutanum C.DC.
  * Piper lateoblongum S.Moore
  * Piper lateovatum Trel.
  * Piper laterifissum Trel.
  * Piper lateripilosum Yunck.
  * Piper latibracteum C.DC.
  * Piper latifolium L.f.
  * Piper laurifolium Mill.
  * Piper laurinum Roem. & Schult.
  * Piper lauterbachii C.DC.
  * Piper lawrancei Trel. & Yunck.
  * Piper laxivenum C.DC.
  * Piper lechlerianum C.DC.
  * Piper ledermannii C.DC.
  * Piper lehmannianum C.DC.
  * Piper lemaense Yunck.
  * Piper lempirense Callejas
  * Piper lenticellosum C.DC.
  * Piper lepidotum D.Parodi
  * Piper leptocladum C.DC.
  * Piper leptoneuron C.DC.
  * Piper leptostilum C.DC.
  * Piper lepturum (Kunth) Kunth ex Steud.
  * Piper lessertianum (Miq.) C.DC.
  * Piper leticianum C.DC.
  * Piper leucophaeocaule Trel.
  * Piper leucophaeum Trel.
  * Piper leucophlebium Trel.
  * Piper leucophyllum (Miq.) C.DC.
  * Piper leucostachyum Trel. & Yunck.
  * Piper levilimbum Trel.
  * Piper lhotzkyanum (Kunth) Kunth ex Steud.
  * Piper liebmannii C.DC.
  * Piper limae Yunck.
  * Piper limosum Yunck.
  * Piper lincolnense Trel.
  * Piper lindbergii C.DC.
  * Piper lindenianum C.DC.
  * Piper lindenii (Miq.) C.DC.
  * Piper linearifolium C.DC.
  * Piper lineativillosum Trel. & Yunck.
  * Piper lineatum Ruiz & Pav.
  * Piper lineolatifolium Trel. & Yunck.
  * Piper lingshuiense Y.C.Tseng
  * Piper linguliforme Steyerm.
  * Piper lippoldii Saralegui
  * Piper littlei Yunck.
  * Piper littorale C.DC.
  * Piper llatanum Trel.
  * Piper loefgrenii Yunck.
  * Piper lonchites Schult.
  * Piper longamentum C.DC.
  * Piper longeacuminatum Trel.
  * Piper longepetiolatum (C.DC.) Trel.
  * Piper longestamineum Trel.
  * Piper longestylosum C.DC.
  * Piper longiappendiculatum Steyerm.
  * Piper longiauriculatum Yunck.
  * Piper longicaudatum Trel. & Yunck.
  * Piper longicaule C.DC.
  * Piper longichaetum Yunck.
  * Piper longifilamentum C.DC.
  * Piper longifolium Ruiz & Pav.
  * Piper longimucronatum Yunck.
  * Piper longipedicellatum Quisumb.
  * Piper longipedunculatum C.DC.
  * Piper longipes C.DC.
  * Piper longipilosum C.DC.
  * Piper longipilum C.DC.
  * Piper longispicum C.DC.
  * Piper longistigmum C.DC.
  * Piper longistipulum C.DC.
  * Piper longivaginans C.DC.
  * Piper longum L.
  * Piper loretoanum Trel.
  * Piper losoense Trel. & Yunck.
  * Piper lucigaudens C.DC.
  * Piper lundellianum Trel.
  * Piper lundellii Trel.
  * Piper lundii C.DC.
  * Piper lunulibracteatum C.DC.
  * Piper lutescens C.DC.
  * Piper luxii C.DC.
  
  ## M
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper macapaense Yunck.
  * Piper macbrideanum Trel.
  * Piper macedoi Yunck.
  * Piper macerispicum Trel. & Yunck.
  * Piper machadoanum C.DC.
  * Piper machoense Callejas
  * Piper machucanum Trel.
  * Piper machupicchuense Trel.
  * Piper macrocarpum C.DC.
  * Piper macropiper Pennant
  * Piper macropodum C.DC.
  * Piper macropunctatum Yunck.
  * Piper macrorhynchon (Miq.) C.DC.
  * Piper macrostylum C.DC.
  * Piper macrotrichum C.DC.
  * Piper macrourum Kunth
  * Piper maculatum Blume
  * Piper madagascariense (Miq.) C.DC.
  * Piper madeiranum Yunck.
  * Piper magen B.Q.Cheng ex C.L.Long & Jun Yang bis
  * Piper magnantherum C.DC.
  * Piper magnificum Gentil ex Trel.
  * Piper magnifolium (C.DC.) Trel.
  * Piper magnilimbum C.DC.
  * Piper magnispicum C.DC.
  * Piper maingayi Hook.f.
  * Piper majense Callejas
  * Piper majusculum Blume
  * Piper makruense C.DC.
  * Piper malacocarpum K.Schum. & Lauterb.
  * Piper malacophyllum (C.Presl) C.DC.
  * Piper malgassicum Papini, Palchetti, M.Gori & Rota Nodari
  * Piper malifolium Trel.
  * Piper mamorense Yunck.
  * Piper manabinum C.DC.
  * Piper mananthum C.Wright
  * Piper manausense Yunck.
  * Piper mansericheanum Trel.
  * Piper manzanillanum C.DC.
  * Piper mapirense C.DC.
  * Piper maraccasense Trel.
  * Piper maranyonense Trel.
  * Piper marequitense C.DC.
  * Piper margaretae Trel.
  * Piper margaritatum Trel.
  * Piper marginatum Jacq.
  * Piper marginecontinuum Callejas
  * Piper marsupiiferum Trel.
  * Piper martensianum C.DC.
  * Piper martinense Trel.
  * Piper marturetense Trel. & Yunck.
  * Piper massiei C.DC.
  * Piper mastersianum C.DC.
  * Piper matanganum C.DC.
  * Piper matinanum C.DC.
  * Piper matthewsii C.DC.
  * Piper matudae Lundell
  * Piper maxonii C.DC.
  * Piper maxwellianum C.DC.
  * Piper mayanum Lundell
  * Piper mazamariense Yunck.
  * Piper mcphersonii Callejas
  * Piper mcvaughii Bornst.
  * Piper medinaense Yunck.
  * Piper medinillifolium Quisumb.
  * Piper mediocre C.DC.
  * Piper meeboldii C.DC.
  * Piper megacarpum J.Mathew
  * Piper melanocaulon Quisumb.
  * Piper melanocladum C.DC.
  * Piper melanopremnum Trel. & Ekman
  * Piper melanostachyum C.DC.
  * Piper melanostictum (Miq.) C.DC.
  * Piper melastomoides Schltdl. & Cham.
  * Piper melchior (Sykes) M.A.Jaram.
  * Piper mellibracteum Trel.
  * Piper membranaceum C.DC.
  * Piper mendezense Yunck.
  * Piper mercedense Trel.
  * Piper mercens Yunck.
  * Piper meritum Trel.
  * Piper merrillii C.DC.
  * Piper mestonii F.M.Bailey
  * Piper metallicum Hallier f.
  * Piper metanum Trel. & Yunck.
  * Piper methysticum G.Forst.
  * Piper mexiae Trel. & Yunck.
  * Piper mexicanum (Miq.) C.DC.
  * Piper michelianum C.DC.
  * Piper micoense Trel.
  * Piper micranthera C.DC.
  * Piper microstigma (Miq.) C.DC.
  * Piper microtrichum C.DC.
  * Piper middlesexense Trel. ex Callejas
  * Piper miersinum (Miq.) C.DC.
  * Piper miguel-conejoanum Trel. & Yunck.
  * Piper mikanianum (Kunth) Steud.
  * Piper mikaniifolium Trel.
  * Piper mikii M.Hiroe
  * Piper milciadesii Trel. & Yunck.
  * Piper millegranum Yunck.
  * Piper millepunctulatum Trel. & Yunck.
  * Piper minasarum Steyerm.
  * Piper minutantherum C.DC.
  * Piper minuteauriculatum Callejas
  * Piper minutescabiosum Trel.
  * Piper minutiflorum Callejas
  * Piper minutistigmum C.DC.
  * Piper miquelianum C.DC.
  * Piper mischocarpum Y.C.Tseng
  * Piper mishuyacuense Trel.
  * Piper mite Ruiz & Pav.
  * Piper mitifolium Trel.
  * Piper mituense Trel. & Yunck.
  * Piper mocco-mocco Trel.
  * Piper mocoanum Trel. & Yunck.
  * Piper moense C.DC.
  * Piper mohomoho C.DC.
  * Piper mollicomum Kunth ex Steud.
  * Piper mollipilosum C.DC.
  * Piper mollissimum Blume
  * Piper molliusculum Sodiro
  * Piper monagasense Yunck.
  * Piper monostigmum C.DC.
  * Piper montanum C.DC.
  * Piper montealegreanum Yunck.
  * Piper monteluctans Trel.
  * Piper monteverdeanum C.DC.
  * Piper monteverdense Callejas
  * Piper montium C.DC.
  * Piper montivagum Ridl.
  * Piper monurum Trel. & Yunck.
  * Piper monzonense C.DC.
  * Piper moreletii C.DC.
  * Piper morelianum Yunck.
  * Piper morianum Trel.
  * Piper morilloi Steyerm.
  * Piper morisonianum C.DC.
  * Piper mornicola C.DC.
  * Piper mosaicum Steyerm.
  * Piper moscopanense Yunck.
  * Piper mosenii (Trel.) C.DC.
  * Piper mourae Yunck.
  * Piper moyobambanum Trel.
  * Piper mucronatum C.DC.
  * Piper mucronulatum Blume
  * Piper muelleri C.DC.
  * Piper multiforme Trel. & Yunck.
  * Piper multimammosum Trel.
  * Piper multinodum C.DC.
  * Piper multiplinervium C.DC.
  * Piper multistigmum C.DC.
  * Piper multitudinis Trel.
  * Piper muluense O.Schwartz
  * Piper munchanum C.DC.
  * Piper mundum Trel.
  * Piper muneyporense C.DC.
  * Piper munyanum Trel.
  * Piper muricatum Blume
  * Piper murrayanum C.DC.
  * Piper musteum Trel.
  * Piper mutabile C.DC.
  * Piper mutisii Trel. & Yunck.
  * Piper myrmecophilum C.DC.
  
  ## N
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper nagaense C.DC.
  * Piper nagelii C.DC.
  * Piper nanayanum Trel.
  * Piper napo-pastazanum Trel. & Yunck.
  * Piper narinoense Yunck.
  * Piper nasutum Trel.
  * Piper neblinanum Yunck.
  * Piper nebuligaudens Yunck.
  * Piper neesianum C.DC.
  * Piper neglectum Trel.
  * Piper negritosense Trel.
  * Piper negroense C.DC.
  * Piper nematanthera C.DC.
  * Piper nervulosum C.DC.
  * Piper neurostachyum C.DC.
  * Piper nicaraguense Callejas
  * Piper nicoyanum C.DC.
  * Piper nigribaccum C.DC.
  * Piper nigricaule Trel.
  * Piper nigriconnectivum C.DC.
  * Piper nigrispicum C.DC.
  * Piper nigropunctatum C.DC.
  * Piper nigroramum C.DC.
  * Piper nigrovirens C.DC.
  * Piper nigrum L.
  * Piper niteroiense Yunck.
  * Piper nitidifolium C.DC.
  * Piper nitidulifolium Trel.
  * Piper nobile C.DC.
  * Piper nodosum C.DC.
  * Piper non-retrorsum Trel.
  * Piper noveninervium C.DC.
  * Piper novogalicianum Bornst.
  * Piper novogranatense C.DC.
  * Piper nubigenum (Kunth) Kunth ex Steud.
  * Piper nudibaccatum Y.C.Tseng
  * Piper nudifolium C.DC.
  * Piper nudilimbum C.DC.
  * Piper nudipedunculum C.DC.
  * Piper nudiramum C.DC.
  * Piper nudispicuum C.DC.
  * Piper nudum C.DC.
  * Piper numinica Callejas
  * Piper nuncupatum Trel.
  
  ## O
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper oaxacanum C.DC.
  * Piper obaldianum C.DC.
  * Piper obatense O.Schwartz
  * Piper obesispicum S.Moore
  * Piper obiter-sericeum Trel.
  * Piper oblanceolatum Trel.
  * Piper oblancifolium Yunck.
  * Piper obliqueovatum Trel.
  * Piper obliquum Ruiz & Pav.
  * Piper oblongatifolium Trel.
  * Piper oblongatilimbum Trel.
  * Piper oblongatum Opiz
  * Piper oblongifructum Callejas
  * Piper oblongum Kunth
  * Piper obovantherum C.DC.
  * Piper obovatifolium Trel.
  * Piper obrutum Trel. & Yunck.
  * Piper obscurifolium Callejas
  * Piper obsessum Trel.
  * Piper obtusilimbum C.DC.
  * Piper obtusissimum Miq.
  * Piper obtusistigmum C.DC.
  * Piper obtusum C.DC.
  * Piper obumbratifolium Trel.
  * Piper obumbratum (Miq.) C.DC.
  * Piper occultum Trel.
  * Piper ocosingosense Callejas
  * Piper oculatispicum Trel.
  * Piper odoratum C.DC.
  * Piper offensum Trel.
  * Piper okamotoi M.Hiroe
  * Piper oldhamii C.DC.
  * Piper ollantaitambanum Trel.
  * Piper omega Trel.
  * Piper onus Trel.
  * Piper opacibracteum Trel.
  * Piper operosum Trel.
  * Piper opizianum Fürnr.
  * Piper oradendron Trel. & Standl.
  * Piper oreophilum Ridl.
  * Piper orizabanum C.DC.
  * Piper ornatispicum Trel.
  * Piper ornatum N.E.Br.
  * Piper ornithorhynchum Trel.
  * Piper oroense Yunck.
  * Piper orosianum Trel.
  * Piper orthostachyum (Kunth) Kunth ex Steud.
  * Piper ospinense Trel. & Yunck.
  * Piper ostii Trel.
  * Piper otophorum C.DC.
  * Piper otto-huberi Steyerm.
  * Piper ottoniifolium C.DC.
  * Piper ottonoides Yunck.
  * Piper ovantherum C.DC.
  * Piper ovatibaccum C.DC.
  * Piper ovatilimbum C.DC.
  * Piper ovatistigmum C.DC.
  * Piper ovatum Vahl
  * Piper oviedoi Urb.
  * Piper oxycarpum C.DC.
  * Piper oxyphyllum C.DC.
  * Piper oxystachyum C.DC.
  
  ## P
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper pacacanum Trel.
  * Piper pachoanum C.DC.
  * Piper pachyarthrum K.Schum.
  * Piper pachyphloium C.DC.
  * Piper pachyphyllum Baker
  * Piper padangense C.DC.
  * Piper paganicum Trel.
  * Piper palenquense Callejas
  * Piper palestinanum Trel. & Yunck.
  * Piper pallidibracteum C.DC.
  * Piper pallididorsum Trel.
  * Piper pallidifolium C.DC.
  * Piper pallidilimbum C.DC.
  * Piper pallidirubrum C.DC.
  * Piper palmanum Trel.
  * Piper palmasanum C.DC.
  * Piper palmeri C.DC.
  * Piper paludis Callejas
  * Piper paludosum C.DC.
  * Piper pamploanum Trel. & Yunck.
  * Piper panamense C.DC.
  * Piper pandoense Yunck.
  * Piper pansamalanum C.DC.
  * Piper pantjarense C.DC.
  * Piper papillicarpum Trel.
  * Piper papillicaule Trel. & Yunck.
  * Piper papilliferum Steyerm.
  * Piper papulaecaule Trel.
  * Piper papulatum Trel.
  * Piper paraense (Miq.) C.DC.
  * Piper paraguassuanum C.DC.
  * Piper paraisense Trel.
  * Piper paralaevigatum Trel.
  * Piper paramaribense C.DC.
  * Piper paranum Yunck.
  * Piper parapeltobryon Trel.
  * Piper parcirameum C.DC.
  * Piper parcum Trel. & Yunck.
  * Piper parianum Yunck.
  * Piper parmatum Dressler
  * Piper parong Quisumb.
  * Piper partiticuspe Trel.
  * Piper parvantherum C.DC.
  * Piper parvicordulatum Trel.
  * Piper parvipedunculum C.DC.
  * Piper parviramosum Callejas
  * Piper pastasanum Diels
  * Piper patens Opiz
  * Piper patentifolium Trel.
  * Piper patulum Bertol.
  * Piper patzulinum Trel. & Standl.
  * Piper paucartamboanum Trel.
  * Piper paucinerve C.DC.
  * Piper paucipilosum Yunck.
  * Piper pauciramosum Yunck.
  * Piper paucistigmum C.DC.
  * Piper paulianifolium Trel.
  * Piper pavasense Trel.
  * Piper pavimentifolium Trel.
  * Piper pavonii (Miq.) C.DC.
  * Piper payanum Yunck.
  * Piper pearcei Yunck.
  * Piper pebasense Trel.
  * Piper peculiare Trel. & Yunck.
  * Piper pedicellare C.DC.
  * Piper pedicellatum C.DC.
  * Piper pedunculatum C.DC.
  * Piper peepuloides Roxb.
  * Piper pellitum C.DC.
  * Piper peltatifolium C.Y.Hao, H.S.Wu & Y.H.Tan
  * Piper peltatum L.
  * Piper peltifolium Callejas
  * Piper peltilimbum Yunck.
  * Piper penangense (Miq.) C.DC.
  * Piper pendens Trel.
  * Piper pendentispicum Trel. & Yunck.
  * Piper pendulirameum Trel. & Yunck.
  * Piper pendulispicum C.DC.
  * Piper pentagonum Trel.
  * Piper pentandrum C.DC.
  * Piper penyasense Trel. & Yunck.
  * Piper peracuminatum C.DC.
  * Piper perareolatum C.DC.
  * Piper perbarbatum C.DC.
  * Piper perbrevicaule Yunck.
  * Piper perbrevispicum Yunck.
  * Piper perciliatum Trel. & Yunck.
  * Piper percostatum Yunck.
  * Piper perditum Trel.
  * Piper perenense Trel.
  * Piper perfugii Trel.
  * Piper pergamentifolium Trel. & Standl.
  * Piper pergeniculatum Trel.
  * Piper perhispidum C.DC.
  * Piper perijaense Steyerm.
  * Piper perinaequilongum Trel.
  * Piper perlasense Yunck.
  * Piper perlongipedunculum Trel. & Standl.
  * Piper permolle Trel. & Yunck.
  * Piper permucronatum Yunck.
  * Piper perpallidum Ekman, Urb. & Trel.
  * Piper perpilosum C.DC.
  * Piper perpurgatum Trel.
  * Piper perpusillum Callejas
  * Piper perscabrifolium Yunck.
  * Piper perstipulare Steyerm.
  * Piper perstrigosum Yunck.
  * Piper persubulatum C.DC.
  * Piper pertinax Trel. & Yunck.
  * Piper pertomentellum Trel. & Yunck.
  * Piper pertractatum Trel.
  * Piper peruligerum Trel.
  * Piper pervelutinum Trel.
  * Piper pervenosum C.DC.
  * Piper perverrucosum Trel. & Yunck.
  * Piper pervicax Trel.
  * Piper pervillosum Trel.
  * Piper pervulgatum Trel.
  * Piper pervulsum Trel. & Yunck.
  * Piper petens Trel.
  * Piper petiolare C.DC.
  * Piper pexum Trel.
  * Piper phaeophyllum Trel. & Standl.
  * Piper phalangense C.DC.
  * Piper phanerolepidum Trel.
  * Piper phaneropus Trel.
  * Piper philippinum Miq.
  * Piper philodendon Ridl.
  * Piper philodendroides Standl. & Steyerm.
  * Piper phuwuaense Chaveer. & Tanee
  * Piper phyllostictum (Miq.) C.DC.
  * Piper phytolaccifolium Opiz
  * Piper picardae C.DC.
  * Piper picobonitoense F.G.Coe & Bornst.
  * Piper piedadesense Trel.
  * Piper piedecuestanum Trel. & Yunck.
  * Piper pileatum Trel.
  * Piper pilgeri C.DC.
  * Piper pilibracteum Trel. & Yunck.
  * Piper piliovarium Yunck.
  * Piper pilirameum C.DC.
  * Piper pilosissimum Yunck.
  * Piper pilosiusculum Opiz
  * Piper pilovarium Yunck.
  * Piper piluliferifolium Trel. & Yunck.
  * Piper piluliferum Kunth
  * Piper pinaresanum Trel. & Yunck.
  * Piper pinedoana Trel.
  * Piper pinetorum Standl. & Steyerm.
  * Piper pingbienense Y.C.Tseng
  * Piper pinguifolium C.DC.
  * Piper pinoganense Trel.
  * Piper pinuna-negroense Trel. & Yunck.
  * Piper piojoanum Trel. & Yunck.
  * Piper piresii Yunck.
  * Piper piscatorum Trel. & Yunck.
  * Piper pitalitoense Yunck.
  * Piper pittieri C.DC.
  * Piper plagiophyllum K.Schum. & Lauterb.
  * Piper planadosense Trel. & Standl.
  * Piper planipes Trel.
  * Piper planitiei Trel. & Yunck.
  * Piper platylobum Sodiro
  * Piper playa-blancanum Trel.
  * Piper plumanum C.DC.
  * Piper plumbeicolor Trel.
  * Piper plurinervosum Yunck.
  * Piper poasanum C.DC.
  * Piper poeppigii (Kunth) Steud.
  * Piper pogonioneuron Trel. & Standl.
  * Piper poiteanum Steud.
  * Piper politaereum Trel.
  * Piper politifolium C.DC.
  * Piper politii Yunck.
  * Piper politum C.DC.
  * Piper polyneurum C.DC.
  * Piper polysyphonum C.DC.
  * Piper polytrichum C.DC.
  * Piper ponapense C.DC.
  * Piper ponendum Trel.
  * Piper ponesheense C.DC.
  * Piper ponganum Trel.
  * Piper pontis Trel.
  * Piper popayanense C.DC.
  * Piper poporense Trel. & Yunck.
  * Piper populifolium Opiz
  * Piper porphyrophyllum (Lindl.) N.E.Br.
  * Piper porrectum C.DC.
  * Piper portobellense C.DC.
  * Piper porveniricola Trel.
  * Piper poscitum Trel. & Yunck.
  * Piper positum Trel.
  * Piper postelsianum Maxim.
  * Piper posusanum Trel.
  * Piper potamophilum Trel. & Yunck.
  * Piper pothoides (Miq.) Wall. ex C.DC.
  * Piper pothophyllum Trel.
  * Piper praeacutilimbum C.DC.
  * Piper praemollitum Trel.
  * Piper praesagium Trel. & Yunck.
  * Piper premnospicum Tebbs
  * Piper prianamense C.DC.
  * Piper prietoi Yunck.
  * Piper prismaticum C.DC.
  * Piper procerifolium C.DC.
  * Piper procerum Trel.
  * Piper prodigum Trel.
  * Piper protracticuspidatum Trel. & Yunck.
  * Piper protractispicum C.DC.
  * Piper protractum C.DC.
  * Piper provulgatum Trel. & Yunck.
  * Piper prunifolium J.Jacq.
  * Piper pseudamboinense C.DC.
  * Piper pseudoacreanum Steyerm.
  * Piper pseudoaduncum C.DC.
  * Piper pseudoaequale Steyerm.
  * Piper pseudoalbuginiferum Trel.
  * Piper pseudoarboreum Yunck.
  * Piper pseudoasperifolium C.DC.
  * Piper pseudobarbatum C.DC.
  * Piper pseudobredemeyeri Steyerm.
  * Piper pseudobumbratum C.DC.
  * Piper pseudocallosum Trel.
  * Piper pseudocativalense Trel.
  * Piper pseudodelectans Callejas
  * Piper pseudodilatatum C.DC.
  * Piper pseudodivulgatum Steyerm.
  * Piper pseudoeucalyptifolium Trel. & Yunck.
  * Piper pseudofallens Callejas
  * Piper pseudofimbriulatum Trel.
  * Piper pseudoflexuosum Trel.
  * Piper pseudofuligineum C.DC.
  * Piper pseudogaragaranum Trel.
  * Piper pseudoglabrifolium Trel.
  * Piper pseudogrande Yunck.
  * Piper pseudohastulatum Steyerm.
  * Piper pseudolanceifolium Trel.
  * Piper pseudolindenii C.DC.
  * Piper pseudomatico Trel.
  * Piper pseudomunchanum Trel.
  * Piper pseudonigrum C.DC.
  * Piper pseudopedicellatum P.K.Mukh.
  * Piper pseudoperbrevicaule Callejas
  * Piper pseudoperfugii Callejas
  * Piper pseudoperuvianum C.DC.
  * Piper pseudopopayanense Trel. & Yunck.
  * Piper pseudopothifolium C.DC.
  * Piper pseudoschippianum Callejas
  * Piper pseudovariabile Trel.
  * Piper pseudoviridicaule Trel.
  * Piper pseudovulgatum Steyerm.
  * Piper psilophyllum C.DC.
  * Piper psilorhachis C.DC.
  * Piper psilostachyum Kunth
  * Piper psittacorum Endl.
  * Piper pterocladum C.DC.
  * Piper pubarulipes C.DC.
  * Piper pubens Trel.
  * Piper puberulescens Trel.
  * Piper puberuliciliatum Yunck.
  * Piper puberulidrupum Yunck.
  * Piper puberulilimbum C.DC.
  * Piper puberulinerva C.DC.
  * Piper puberulirameum C.DC.
  * Piper puberulispicum C.DC.
  * Piper puberulum (Benth.) Seem.
  * Piper pubibaccum C.DC.
  * Piper pubicatulum C.DC.
  * Piper pubinerve C.DC.
  * Piper pubinervulum C.DC.
  * Piper pubiovarium Yunck.
  * Piper pubipedunculum C.DC.
  * Piper pubipes C.DC.
  * Piper pubipetiolum C.DC.
  * Piper pubirhache C.DC.
  * Piper pubistipulum C.DC.
  * Piper pubisubmarginalum Yunck.
  * Piper pubivaginatum Steyerm.
  * Piper puente-altoanum Trel.
  * Piper pulchrum C.DC.
  * Piper pulleanum Yunck.
  * Piper pullibaccum Trel.
  * Piper pullibracteatum Trel.
  * Piper puncticulatum Ridl.
  * Piper punctiunculatum Trel.
  * Piper punctulantherum C.DC.
  * Piper punctulatum Standl. & Steyerm.
  * Piper puniceum Trel.
  * Piper puntarenasense Callejas
  * Piper puraceanum Trel. & Yunck.
  * Piper purdiei C.DC.
  * Piper purpusianum Trel.
  * Piper purulentum Trel. & Yunck.
  * Piper purusanum Yunck.
  * Piper pustulatum Yunck.
  * Piper pustulicaule Trel.
  * Piper putumayoense Trel. & Yunck.
  * Piper puyoense Yunck.
  * Piper pygmaeum Yunck.
  * Piper pykarahense C.DC.
  
  ## Q
  
  * Top
  * A
  * B
  * C
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  * E
  * F
  * G
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  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper quadratilimbum Trel.
  * Piper quadratiovarium Yunck.
  * Piper quicheanum Callejas
  * Piper quimirianum Trel.
  * Piper quinqueangulatum Miq.
  * Piper quinquenervium Warb.
  * Piper quitense C.DC.
  
  ## R
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper raapii C.DC.
  * Piper rafflesii (Miq.) C.DC.
  * Piper raizudoanum Trel. & Yunck.
  * Piper ramirezii Callejas
  * Piper ramosense Yunck.
  * Piper ramosii C.DC.
  * Piper rarispicum C.DC.
  * Piper rarum C.DC.
  * Piper rasile Trel.
  * Piper recensitum Trel.
  * Piper recessum R.O.Gardner
  * Piper rechingeri C.DC.
  * Piper recreoense Trel.
  * Piper rectamentum Trel.
  * Piper recuperatum Trel.
  * Piper redactum Trel.
  * Piper reductipes Trel.
  * Piper regale C.DC.
  * Piper regnellii (Miq.) C.DC.
  * Piper reinwardtianum (Miq.) C.DC.
  * Piper reitzii Yunck.
  * Piper relaxatum Trel.
  * Piper relictum Lekhak, Kambale & S.R.Yadav
  * Piper rematense Trel.
  * Piper remotinervium Görts
  * Piper renitens (Miq.) Yunck.
  * Piper reptabundum C.DC.
  * Piper resalutatum Trel.
  * Piper restio Trel.
  * Piper restrictum Trel.
  * Piper retalhuleuense Trel. & Standl.
  * Piper reticulatum L.
  * Piper reticulosum Opiz
  * Piper retrofractum Vahl
  * Piper retropilosum C.DC.
  * Piper reventazonis Trel.
  * Piper rhinostachyum Trel.
  * Piper rhizocaule Trel.
  * Piper rhodocarpum Trel.
  * Piper rhododendrifolium (Kunth) Kunth ex Steud.
  * Piper ribesioides Wall.
  * Piper richardiifolium (Kunth) Kunth ex Steud.
  * Piper ridleyi C.DC.
  * Piper rigidomucronatum Callejas
  * Piper riitosense Trel. & Yunck.
  * Piper rinconense Trel.
  * Piper rindjanense C.DC.
  * Piper rindu C.DC.
  * Piper riocajambrense Trel. & Yunck.
  * Piper riocauchosanum Yunck.
  * Piper riochiadoense Trel. & Yunck.
  * Piper riodocense E.F.Guim. & Carv.-Silva
  * Piper rioense Yunck.
  * Piper riojanum Trel.
  * Piper riomarguanum Trel. & Yunck.
  * Piper rionechianum Yunck.
  * Piper riozulianum Trel. & Yunck.
  * Piper riparense C.DC.
  * Piper ripicola C.DC.
  * Piper rivi-vetusti Trel.
  * Piper rivinoides (Kunth) Kunth ex Steud.
  * Piper roblalense Yunck.
  * Piper robleanum Trel. & Yunck.
  * Piper robustipedunculum Yunck.
  * Piper roemeri C.DC.
  * Piper rogaguanum Trel.
  * Piper ronaldii Steyerm.
  * Piper roqueanum Trel.
  * Piper rosei C.DC.
  * Piper roseiflorum Callejas
  * Piper roseovenulosum Trel.
  * Piper rostratum Roxb.
  * Piper rothschuhii C.DC.
  * Piper rotundibaccum Trel.
  * Piper rovirosae C.DC.
  * Piper rubiginosum Trel.
  * Piper rubramentum C.DC.
  * Piper rubribaccum Trel.
  * Piper rubripes Trel.
  * Piper rubrospadix Trel.
  * Piper rubrovenosum Rodigas
  * Piper rubrum C.DC.
  * Piper rude Kunth
  * Piper rudgeanum (Miq.) C.DC.
  * Piper rueckeri K.Schum.
  * Piper rufescentibaccum C.DC.
  * Piper rufibracteum C.DC.
  * Piper rufinerve Opiz
  * Piper rufipilum Yunck.
  * Piper rufispicum C.DC.
  * Piper rufum C.DC.
  * Piper rugosibaccum Trel.
  * Piper rugosifolium Trel.
  * Piper rugosilimbum Trel.
  * Piper rugosum Lam.
  * Piper rukshagandhum J.Mathew
  * Piper rumicifolium (Miq.) C.DC.
  * Piper rumphii (Miq.) C.DC.
  * Piper rupicola C.DC.
  * Piper rupununianum Trel. & Yunck.
  * Piper rusbyi C.DC.
  * Piper rusticum Trel. & Yunck.
  
  ## S
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper sabaletasanum Trel. & Yunck.
  * Piper sabanaense Yunck.
  * Piper sacchamatesense Yunck.
  * Piper sagittifer Trel.
  * Piper sagittifolium C.DC.
  * Piper saldanhae Yunck.
  * Piper salentoi Trel. & Yunck.
  * Piper salgaranum Trel. & Yunck.
  * Piper salicariifolium (Kunth) Kunth ex Steud.
  * Piper salicifolium Vahl
  * Piper salicinum Opiz
  * Piper salicoides Yunck.
  * Piper saloyanum Trel. & Yunck.
  * Piper samanense Urb.
  * Piper sambuanum C.DC.
  * Piper sampaioi Yunck.
  * Piper san-andresense Trel. & Yunck.
  * Piper san-juananum Trel.
  * Piper san-marcosanum C.DC.
  * Piper san-martinense Trel. & Yunck.
  * Piper san-miguelense Trel. & Yunck.
  * Piper san-nicolasense Trel.
  * Piper san-ramonense Trel.
  * Piper san-roqueanum Trel.
  * Piper san-vicentense Trel. & Yunck.
  * Piper sancti-felicis Trel.
  * Piper sandemanii Yunck.
  * Piper sandianum C.DC.
  * Piper sangorianum C.DC.
  * Piper sanjuanilloense Callejas
  * Piper santa-ritanum Trel.
  * Piper santa-rosanum C.DC.
  * Piper santae-clarae Standl. & Steyerm.
  * Piper sapitense C.DC.
  * Piper sapotoanum Trel.
  * Piper sapotoyacuense Trel.
  * Piper sararense Trel. & Yunck.
  * Piper sarasinorum C.DC.
  * Piper sarawakanum C.DC.
  * Piper sarculatum (Trel.) Callejas
  * Piper sarmentosum Roxb.
  * Piper satisfactum Trel.
  * Piper savagii C.DC.
  * Piper savanense C.DC.
  * Piper scabiosifolium Trel.
  * Piper scabrellum Yunck.
  * Piper scabridulicaule Trel.
  * Piper scabridulilimbum Trel. & Yunck.
  * Piper scabrifolium Hook. & Arn.
  * Piper scabrilimbum C.DC. ex A.Schroed.
  * Piper scabriseptum Trel.
  * Piper scabriusculum A.Dietr.
  * Piper scalariforme Trel.
  * Piper scalarispicum Trel.
  * Piper scalpens Trel.
  * Piper scandenticaule Yunck.
  * Piper scansum Trel. & Yunck.
  * Piper schenckii C.DC.
  * Piper schiedeanum Steud.
  * Piper schippianum Trel. & Standl.
  * Piper schizonephros C.DC.
  * Piper schlechtendalianum C.DC.
  * Piper schlechtendalii Steud.
  * Piper schlechteri C.DC.
  * Piper schlimii C.DC.
  * Piper schmidtii Hook.f.
  * Piper schottii (Miq.) C.DC.
  * Piper schumannii C.DC.
  * Piper schunkeanum Trel.
  * Piper schuppii A.H.Gentry
  * Piper schwackei C.DC.
  * Piper sciaphilum C.DC.
  * Piper scintillans Trel.
  * Piper scleromyelum C.DC.
  * Piper sclerophloeum C.DC.
  * Piper scobinifolium Yunck.
  * Piper scortechinii C.DC.
  * Piper scutifolium Yunck.
  * Piper scutilimbum C.DC.
  * Piper scutispicum Trel.
  * Piper sebastianum Yunck.
  * Piper secundum Ruiz & Pav.
  * Piper seducentifolium Trel.
  * Piper selangorense C.DC.
  * Piper semangkoanum C.DC.
  * Piper semicordulatum Trel.
  * Piper semicrudum Trel.
  * Piper semiimmersum C.DC.
  * Piper semimetrale C.DC.
  * Piper seminervosum Trel. & Yunck.
  * Piper seminitidulum Trel.
  * Piper semiplenum Trel.
  * Piper semitarium Trel. & Yunck.
  * Piper semitransparens C.Y.Hao & Y.H.Tan
  * Piper semivolubile C.DC.
  * Piper semperflorens C.DC.
  * Piper senporeiense Yamamoto
  * Piper sepicola C.DC.
  * Piper sepium C.DC.
  * Piper septuplinervium (Miq.) C.DC.
  * Piper sericeonervosum Trel.
  * Piper serotinum Trel.
  * Piper serpavillanum Trel.
  * Piper serrulatum Yunck.
  * Piper setebarraense E.F.Guim. & L.H.P.Costa
  * Piper setigerum Trel.
  * Piper setosum Trel. & Yunck.
  * Piper setulosum Trel.
  * Piper sibulanum C.DC.
  * Piper sibunense Trel.
  * Piper sierra-aroense Steyerm.
  * Piper signatum Trel.
  * Piper siguatepequense Trel.
  * Piper silentvalleyense Ravindran, M.K.Nair & Asokan Nair
  * Piper silvaense Yunck.
  * Piper silvanorum Trel.
  * Piper silvarum C.DC.
  * Piper silvicola C.DC.
  * Piper silvigaudens Yunck.
  * Piper silvimontanum C.DC.
  * Piper silvivagum C.DC.
  * Piper simile Quisumb.
  * Piper simulans Trel.
  * Piper simularoideum Callejas
  * Piper simulhabitans Trel.
  * Piper sintenense Hatus.
  * Piper sinuatifolium Trel.
  * Piper sinuatispicum Trel.
  * Piper sinuclausum Trel.
  * Piper sinugaudens C.DC.
  * Piper siquirresense Trel.
  * Piper sirenasense Callejas
  * Piper sivarajanii Karthik. & V.S.Kumar
  * Piper skutchii Trel. & Yunck.
  * Piper smitinandianum Suwanph. & Chantar.
  * Piper sneidernii Yunck.
  * Piper snethlagei Yunck.
  * Piper sociorum Trel. & Yunck.
  * Piper sodiroi C.DC.
  * Piper sogerense S.Moore
  * Piper sogerianum C.DC.
  * Piper soledadense Trel.
  * Piper solmsianum C.DC.
  * Piper solutidrupum Yunck.
  * Piper sonadense C.DC.
  * Piper sonsonatense Standl. & S.Calderon
  * Piper sororium (Miq.) C.DC.
  * Piper sorsogonum C.DC.
  * Piper sotae Yunck.
  * Piper sotobosquense S.M.Niño & Dorr
  * Piper spathelliferum Quisumb.
  * Piper speratum Trel.
  * Piper sperdinum C.DC.
  * Piper sphaerocarpum (Griseb.) C.DC. ex C.Wright
  * Piper sphaeroides C.DC.
  * Piper spicilongum Trel.
  * Piper spinacifolium Callejas
  * Piper sprengelianum C.DC.
  * Piper spruceanum C.DC.
  * Piper squalipelliculum Trel.
  * Piper squamuliferum C.DC.
  * Piper squamulosum C.DC.
  * Piper staminodiferum C.DC.
  * Piper standleyi Trel.
  * Piper statarium Trel. & Yunck.
  * Piper steinbachii Yunck.
  * Piper stellipilum (Miq.) C.DC.
  * Piper stenocarpum C.DC.
  * Piper stenocladophorum Trel.
  * Piper stenocladum C.DC.
  * Piper stenopodum C.DC.
  * Piper stenostachys C.DC.
  * Piper sternii Yunck.
  * Piper stevensii Trel.
  * Piper steyermarkii Yunck.
  * Piper stileferum Yunck.
  * Piper stillans Trel. & Standl.
  * Piper stipitiforme C.C.Chang ex Y.C.Tseng
  * Piper stipulaceum Opiz
  * Piper stipulare A.C.Sm.
  * Piper stipulosum Sodiro
  * Piper stomachicum C.DC.
  * Piper storkii Trel.
  * Piper striaticaule Yunck.
  * Piper striatifolium Yunck.
  * Piper striatipetiolum Yunck.
  * Piper strictifolium D.Monteiro & E.F.Guim.
  * Piper strigillosicaule Trel.
  * Piper strigillosum Trel.
  * Piper strigosum Trel.
  * Piper stuebelii Trel.
  * Piper subaduncum Yunck.
  * Piper subaequilaterum Trel.
  * Piper subalbicans C.DC.
  * Piper subalpinum Yunck.
  * Piper subampollosum Callejas
  * Piper subandinum C.DC.
  * Piper subasperatum Trel.
  * Piper subaspericaule C.DC.
  * Piper subasperifolium Yunck.
  * Piper subbullatum K.Schum. & Lauterb.
  * Piper subcaniramum C.DC.
  * Piper subcaudatum Trel.
  * Piper subcinereum C.DC.
  * Piper subconcinnum C.DC.
  * Piper subcordatum (Miq.) C.DC.
  * Piper subcordulatum Trel.
  * Piper subcrenulatum C.DC.
  * Piper subdilatatum Trel.
  * Piper subdivaricatum Trel.
  * Piper subduidaense Yunck.
  * Piper subeburneum Trel. & Standl.
  * Piper subepunctatum C.DC.
  * Piper suberythrocarpum C.DC.
  * Piper subexiguicaule Callejas
  * Piper subfalcatum Yunck.
  * Piper subflavicans Trel.
  * Piper subflavispicum C.DC.
  * Piper subflavum C.DC.
  * Piper subfragile C.DC.
  * Piper subfrutescens Trel. & Yunck.
  * Piper subfuscum C.DC.
  * Piper subgibbosum Callejas
  * Piper subglabribracteatum C.DC.
  * Piper subglabrifolium C.DC.
  * Piper subglabrilimbum (Yunck.) Callejas
  * Piper subglabrum C.DC.
  * Piper subhirsutum Trel.
  * Piper sublaevifolium Trel.
  * Piper sublepidotum Yunck.
  * Piper sublignosum Yunck.
  * Piper sublineatum Kuntze
  * Piper submolle Trel.
  * Piper submultinerve C.DC.
  * Piper subnitidifolium Yunck.
  * Piper subnitidum C.DC.
  * Piper subnudibracteum C.DC.
  * Piper subnudispicum Trel.
  * Piper subpatens Trel.
  * Piper subpedale Trel. & Yunck.
  * Piper subpenninerve Ridl.
  * Piper subprostratum C.DC.
  * Piper subpubibracteum C.DC.
  * Piper subquadratum Trel.
  * Piper subquinquenerve Trel.
  * Piper subrepens Trel.
  * Piper subrubrispicum C.DC.
  * Piper subrugosum Yunck.
  * Piper subscutatum C.DC.
  * Piper subseptemnervium (Miq.) C.DC.
  * Piper subsericeum Trel.
  * Piper subsessilifolium C.DC.
  * Piper subsessililimbum C.DC.
  * Piper subsilvestre C.DC.
  * Piper subsilvulanum C.DC.
  * Piper substenocarpum C.DC.
  * Piper substilosum Yunck.
  * Piper subtomentosum Trel. & Yunck.
  * Piper subtrinerve Trel.
  * Piper subulatum C.DC.
  * Piper subvariabile Trel.
  * Piper subzhorquinense C.DC. ex Trel.
  * Piper sucreense Trel. & Yunck.
  * Piper suffrutescens C.DC.
  * Piper suffruticosum Trel.
  * Piper sugandhi Ravindran, K.N.Babu & V.G.Naik
  * Piper suipigua Buch.-Ham. ex D.Don
  * Piper sulcatum Blume
  * Piper sulcinervosum Trel.
  * Piper sumpi Trel.
  * Piper sundaicum Blume
  * Piper supernum Trel. & Yunck.
  * Piper suratanum Trel. & Yunck.
  * Piper surubresanum Trel.
  * Piper svenningii W.Trujillo-C. & Balslev
  * Piper swartzianum (Miq.) C.DC.
  * Piper sylvaticum Roxb.
  * Piper sylvestre Lour.
  * Piper syringifolium Vahl
  
  ## T
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper tabanicidum Trel.
  * Piper tabernillanum Trel.
  * Piper tabinense Trel.
  * Piper taboganum C.DC.
  * Piper tacanaense Callejas
  * Piper tacananum Trel. & Standl.
  * Piper tacarcunense Callejas
  * Piper tacariguense Steyerm.
  * Piper tachiranum Yunck.
  * Piper tacticanum Trel. & Standl.
  * Piper taiwanense T.T.Lin & S.Y.Lu
  * Piper tajumulcoanum Trel. & Standl.
  * Piper talbotii C.DC.
  * Piper tamayoanum Steyerm.
  * Piper tapantiense Trel.
  * Piper taperanum Yunck.
  * Piper taperinhanum Yunck.
  * Piper tapianum Trel.
  * Piper tarcolense Callejas
  * Piper tardans Trel.
  * Piper tectoniifolium (Kunth) Kunth ex Steud.
  * Piper tecumense Trel.
  * Piper tecutlanum Trel. & Standl.
  * Piper telanum Trel.
  * Piper telembi E.García
  * Piper temiscoense Trel. ex Callejas
  * Piper temptum Trel.
  * Piper tenebricosum Trel.
  * Piper tentatum Trel.
  * Piper tenue Kunth
  * Piper tenuibracteum C.DC.
  * Piper tenuiculispicum Trel.
  * Piper tenuicuspe (Miq.) C.DC.
  * Piper tenuifolium C.DC.
  * Piper tenuilimbum C.DC.
  * Piper tenuimucronatum C.DC.
  * Piper tenuinerve C.DC.
  * Piper tenuipes C.DC.
  * Piper tenuispicum C.DC.
  * Piper tepicanum C.DC.
  * Piper tepuiense Steyerm.
  * Piper tequendanense C.DC.
  * Piper terrabanum C.DC.
  * Piper terryae Standl.
  * Piper tesserispicum Trel.
  * Piper tessmannii Trel.
  * Piper teysmannii (Miq.) C.DC.
  * Piper theobromifolium O.Schwartz
  * Piper thermale Vahl
  * Piper thomsonii (C.DC.) Hook.f.
  * Piper thorelii C.DC.
  * Piper tiguanum C.DC.
  * Piper tilaranum Trel.
  * Piper timbiquinum C.DC.
  * Piper timbuchianum Trel.
  * Piper timothianum A.C.Sm.
  * Piper tinctum Trel.
  * Piper tjambae C.DC.
  * Piper tocacheanum C.DC.
  * Piper tomas-albertoi Trel. & Yunck.
  * Piper tomentosum Mill.
  * Piper tomohonum C.DC.
  * Piper tonduzii C.DC.
  * Piper toppingii C.DC.
  * Piper toronotepuiense Steyerm.
  * Piper torresanum Trel.
  * Piper torricellense Lauterb.
  * Piper tortivenulosum Yunck.
  * Piper tortuosipilum Trel.
  * Piper tortuosivenosum Trel.
  * Piper tovarense Trel. & Yunck.
  * Piper townsendii C.DC.
  * Piper trachydermum Trel.
  * Piper trachyphyllum C.DC.
  * Piper translucens Yunck.
  * Piper transpontinum Trel.
  * Piper travancorianum P.K.Mukh.
  * Piper trianae C.DC.
  * Piper triangulare Chew ex P.Royen
  * Piper trichocarpon C.DC.
  * Piper trichogynum C.DC.
  * Piper trichoneuron (Miq.) C.DC.
  * Piper trichophlebium Trel.
  * Piper trichophyllum C.DC.
  * Piper trichopus Trel.
  * Piper trichorhachis C.DC.
  * Piper trichostachyon (Miq.) C.DC.
  * Piper trichostylopse Trel.
  * Piper trichostylum C.DC.
  * Piper tricolor Y.C.Tseng
  * Piper tricuspe (Miq.) C.DC.
  * Piper tridentipilum C.DC.
  * Piper trigoniastrifolium C.DC.
  * Piper trigonocarpum Trel.
  * Piper trigonodrupum Yunck.
  * Piper trigonum C.DC.
  * Piper trinervium (Miq.) C.DC.
  * Piper trineuron Miq.
  * Piper triquetrofructum Trel.
  * Piper tristemon C.DC.
  * Piper tristigmum Trel.
  * Piper truman-yunckeri Callejas
  * Piper truncatibaccum C.DC.
  * Piper truncatum Vell.
  * Piper tsakianum C.DC.
  * Piper tsangyuanense P.S.Chen & P.C.Zhu
  * Piper tsarasotrae Papini, Palchetti, M.Gori & Rota Nodari
  * Piper tsengianum M.G.Gilbert & N.H.Xia
  * Piper tsuritkubense Trel.
  * Piper tuberculatum Jacq.
  * Piper tucumanum C.DC.
  * Piper tuerckheimii C.DC.
  * Piper tuisanum C.DC.
  * Piper tumidinodum Yunck.
  * Piper tumidipedunculum Trel.
  * Piper tumidonodosum P.K.Mukh.
  * Piper tumidum Kunth
  * Piper tumupasense Yunck.
  * Piper tungurahuae Sodiro
  * Piper tuquesanum Callejas
  * Piper turbense Trel.
  * Piper turrialvanum C.DC.
  * Piper tutuilae C.DC.
  * Piper tuxtepecense Trel. ex Callejas
  * Piper tuxtlense Callejas
  
  ## U
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper uaupesense Yunck.
  * Piper ubiqueasperum Trel.
  * Piper ubiquescabridum Trel.
  * Piper ucayalianum Trel.
  * Piper udicola C.DC.
  * Piper udimontanum C.DC.
  * Piper uhdei C.DC.
  * Piper ulceratum Trel.
  * Piper uleanum Trel.
  * Piper ulei C.DC.
  * Piper ulvifolium K.Schum. & Lauterb.
  * Piper umbellatum L.
  * Piper umbricola C.DC.
  * Piper umbriculum (Cuatrec.) M.A.Jaram. & Callejas
  * Piper umbriense Trel. & Yunck.
  * Piper umbrosum Kunth
  * Piper uncinulatum Ridl.
  * Piper ungaramense C.DC.
  * Piper unguiculatum Ruiz & Pav.
  * Piper unguiculiferum Trel.
  * Piper unillanum Trel. & Yunck.
  * Piper upalaense Callejas
  * Piper urdanetanum C.DC.
  * Piper urense Callejas
  * Piper urophyllum C.DC.
  * Piper urostachyum Hemsl.
  * Piper urubambanum Trel.
  * Piper uspantanense C.DC.
  * Piper usumacintense Lundell
  * Piper utinganum Yunck.
  * Piper uvitanum C.DC.
  
  ## V
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper vaccinum Standl. & Steyerm.
  * Piper vaginans C.DC.
  * Piper valdivianum Callejas
  * Piper valetudinarii Trel.
  * Piper valladolidense Yunck.
  * Piper vallicola C.DC.
  * Piper vanderveldeanum Trel.
  * Piper varablancanum Trel.
  * Piper variabile C.DC.
  * Piper varibracteum C.DC.
  * Piper variifolium (Miq.) C.DC.
  * Piper variipilum C.DC.
  * Piper variitrichum Yunck.
  * Piper vellosoi Yunck.
  * Piper velutinervium C.DC.
  * Piper velutinibaccum C.DC.
  * Piper velutininervosum Trel.
  * Piper velutinobracteosum Callejas
  * Piper velutinovarium C.DC.
  * Piper velutinum Kunth
  * Piper venamoense Steyerm.
  * Piper veneralense Trel. & Yunck.
  * Piper venosum (Miq.) C.DC.
  * Piper ventoleranum Trel.
  * Piper venulosissimum Yunck.
  * Piper veraguanum Callejas
  * Piper veraguense C.DC.
  * Piper verbascifolium (Miq.) C.DC.
  * Piper verbenanum C.DC.
  * Piper veredianum Trel.
  * Piper vergelense Trel. & Standl.
  * Piper vermiculatum C.DC.
  * Piper verruculicaule Trel.
  * Piper verruculifolium Trel.
  * Piper verruculigerum Trel.
  * Piper verruculipetiolum Trel.
  * Piper verruculosum C.DC.
  * Piper versteegii C.DC.
  * Piper vestitifolium C.DC.
  * Piper vestitum C.DC.
  * Piper vexans Trel.
  * Piper via-chicoense Yunck.
  * Piper viae-marginis Trel.
  * Piper vicinum Trel.
  * Piper vicosanum Yunck.
  * Piper victorianum C.DC.
  * Piper villalobosense Yunck.
  * Piper villarrealii Yunck.
  * Piper villipedunculum C.DC.
  * Piper villirameum C.DC.
  * Piper villiramulum C.DC.
  * Piper villistipulum Trel.
  * Piper villosispicum Trel.
  * Piper villosissimum Yunck.
  * Piper villosum C.DC.
  * Piper viminifolium Trel.
  * Piper virgatum Yunck.
  * Piper virgenense Trel. & Yunck.
  * Piper virginicum Trel. & Standl.
  * Piper virgultorum C.DC.
  * Piper viridescens Suwanph. & Chantar.
  * Piper viridicaule Trel.
  * Piper viridifolium Trel.
  * Piper viridilimbum Trel.
  * Piper viridistachyum Yunck.
  * Piper virillanum C.DC.
  * Piper viscaianum Trel. & Yunck.
  * Piper vitabile Trel.
  * Piper vitaceum Yunck.
  * Piper viticaule Yunck.
  * Piper vitiense A.C.Sm.
  * Piper voigtii C.DC.
  * Piper volubile C.DC.
  
  ## W
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper wabagense W.L.Chew
  * Piper wachenheimii Trel.
  * Piper wagneri C.DC.
  * Piper walkeri Miq.
  * Piper wallichii (Miq.) Hand.-Mazz.
  * Piper wangii M.G.Gilbert & N.H.Xia
  * Piper weddellii C.DC.
  * Piper wedelii Yunck.
  * Piper wibomii Yunck.
  * Piper wichmannii C.DC.
  * Piper wightii Miq.
  * Piper wilhelmense Chew ex P.Royen
  * Piper wilsonii Trel.
  * Piper wingfieldii Steyerm.
  * Piper winkleri C.DC.
  * Piper woytkowskii Yunck.
  * Piper wrightii C.DC.
  
  ## X
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper xanthocarpum C.DC.
  * Piper xanthoneurum Trel.
  * Piper xanthostachyum C.DC.
  * Piper xiroresanum C.DC.
  * Piper xylosteoides (Kunth) Steud.
  
  ## Y
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper yamaranguilaense Callejas
  * Piper yanaconasense Trel. & Yunck.
  * Piper yananoanum Trel.
  * Piper yaracuyense Yunck.
  * Piper yaxhanum Trel.
  * Piper yessupianum Trel.
  * Piper yinkiangense Y.C.Tseng
  * Piper yoroanum Trel.
  * Piper yousei Trel.
  * Piper yucatanense C.DC.
  * Piper yui M.G.Gilbert & N.H.Xia
  * Piper yungasanum Yunck.
  * Piper yunnanense Y.C.Tseng
  * Piper yzabalanum C.DC.
  
  ## Z
  
  * Top
  * A
  * B
  * C
  * D
  * E
  * F
  * G
  * H
  * I
  * J
  * K
  * L
  * M
  * N
  * O
  * P
  * Q
  * R
  * S
  * T
  * U
  * V
  * W
  * X
  * Y
  * Z
  * Piper zacapanum Trel. & Standl.
  * Piper zacatense C.DC.
  * Piper zarceroense Trel.
  * Piper zarumanum Trel.
  * Piper zentanum C.DC.
  * Piper zeylanicum Miq.
  * Piper zhorquinense C.DC.
  * Piper zollingeri C.DC.
  * Piper zonulatispicum Trel.
  