Definition of doom. 1  1 : a law or ordinance especially in Anglo-Saxon England. 2  2a : judgment, decision; especially : a judicial condemnation or sentenceb (1) : judgment 5a (2) : judgment day 1. 3  3a : destiny; especially : unhappy destinyb : death, ruin.
In its native range Exacum affine is an annual or short-lived perennial and is suitable for permanent outdoor cultivation only in humid tropical and subtropical areas. Grown as a pot plant, this plant requires a well-drained, but moist potting mix. Exacum will tolerate good light but not direct sun.
Angiosperms: flowering, enclosed, flat,triploid, cotyledons present, hardwood, non perennial, sexual reproduction by animals. Gymnosperms: non flowering, bare, needle like, haploid, cotyledons absent, softwood, perennial, asexual reproduction, relies on wind. Both: plantar, Eukarya. Prokaryotes vs eukaryotes.