What is Edelweiss?
{{taxobox |name = Edelweiss |image = Leontopodium_alpinum_280808.jpg |regnum = [[Plantae]] |unranked_divisio = [[Angiosperms]] |unranked_classis = [[Eudicots]] |unranked_ordo = [[Asterids]] |ordo = [[Asterales]] |familia = [[Asteraceae]] |tribus = [[Gnaphalieae]]<ref>{{cite journal | url = http://www.amjbot.org/cgi/content/full/87/2/259 | title = Phylogeny of South African Gnaphalieae (Asteraceae) based on two noncoding chloroplast sequences | author = Randall J. Bayer, Christopher F. Puttock, and Scot A. Kelchner | journal = [[American Journal of Botany]] | year = 2000 | volume = 87 | pages = 259–272 | doi = 10.2307/2656914 | pmid = 10675314 | issue = 2 | jstor = 2656914 | access-date = 2011-03-23 | archive-date = 2011-01-27 | archive-url = https://web.archive.org/web/20110127132549/http://www.amjbot.org/cgi/content/full/87/2/259 | url-status = dead }}</ref> |genus = ''[[Leontopodium]]'' |species = '''''L. alpinum''''' |binomial = ''Leontopodium alpinum'' |binomial_authority = [[Alexandre de Cassini|Cass.]], 1822 |}} '''Edelweiss''' is a well-known [[Europe]] [[mountain]] [[flower]]. == Description == [[Leaf|Leaves]] and [[flower]]s are covered with [[white]] hairs and look [[wikt:woolly|woolly]]. Each Edelweiss bloom has [[five]] to [[six]] small [[yellow]] flower heads surrounded by leaflets in a [[star]] shape. The flowers are in bloom between [[July]] and [[September]]. == Range == The Edelweiss prefers [[Rock (geology)|rocky]] [[limestone]] places. It has been used [[tradition]]ally in folk [[medicine]]. The hair on the flower protect the Edelweiss from cold.<ref>{{cite journal|date=January 2005|title=Optical structure and function of the white filamentary hair covering the edelweiss bracts|journal=Physical Review E|volume=71|issue=1 Pt 1|page=011906|doi=10.1103/PhysRevE.71.011906|pmid=15697629|arxiv=0710.2695|s2cid=36857838|last1=Vigneron|first1=Jean Pol|last2=Rassart|first2=Marie|last3=Vértesy|first3=Zofia|last4=Kertész|first4=Krisztián|last5=Sarrazin|first5=Michaël|last6=Biró|first6=László P.|last7=Ert