Help:Terms 0-Z

P
porrect: stretched (out or forward)

S
subspecies: In biological classification, subspecies (abbreviated "subsp." or "ssp."; plural: "subspecies") is either a taxonomic rank subordinate to species, or a taxonomic unit in that rank.

T
type locality: The geographical location where a type specimen was originally found.

X
A xerophyte or xerophytic organism (from Greek xero dry, phuton plant) is a plant that has adapted to survive in an environment that lacks average or sufficient amounts of water, such as a desert.