▁but ▁this ▁has ▁now ▁been ▁transferred ▁to ▁a ▁different ▁genus , ▁St el is . ▁The ▁center ▁of ▁divers ity ▁of ▁the ▁genus ▁is ▁in ▁the ▁high ▁And es , ▁especially ▁in ▁the ▁chain ▁of ▁cloud ▁for ests ▁in ▁Colombia . ▁Ple uro th all is ▁grows ▁in ▁dry ▁or ▁wet , ▁tropical ▁or ▁temper ate ▁clim ates . ▁ ▁Mor ph ology ▁As ▁a ▁group ▁they ▁show ▁a ▁huge ▁range ▁in ▁veget ative ▁form , ▁terrest rial ▁or ▁e pi ph yt ic , ▁and ▁can ▁be ▁found ▁as ▁tall ▁can e - like ▁plants ▁a ▁met re ▁or ▁so ▁high , ▁cl ump ed ▁or ▁trailing , ▁p endent ▁or ▁clim bing , ▁ere ct ▁or ▁cre eping , ▁tu ft ed ▁and ▁tiny , ▁del icate ▁m oss - like ▁species ▁that ▁can ▁grow ▁on ▁the ▁th inn est ▁of ▁tw igs . ▁ ▁But ▁they ▁have ▁one ▁common ▁denomin ator : ▁they ▁all ▁have ▁two ▁pol lin ia . ▁ ▁They ▁have ▁reduced ▁their ▁pseud ob ul bs ▁and ▁instead , ▁some ▁species ▁have ▁thick ▁succ ul ent ▁leaves . ▁ ▁Their ▁flowers ▁are ▁among ▁the ▁most ▁diverse ▁and ▁unusual , ▁although ▁often ▁very ▁small , ▁and ▁special ize ▁in ▁using ▁tiny ▁insect s ▁such ▁as ▁g nats ▁or ▁Chal cid ▁was ps ▁for ▁pol lin ation . ▁ ▁Tax onomy ▁To ▁bring ▁some ▁order ▁in ▁this ▁extremely ▁diverse ▁genus , ▁ 2 9 ▁sub gener a ▁and ▁ 2 5 ▁sections ▁had ▁been ▁created . ▁Much ▁of ▁this