</s> ▁Pr as oph yll um ▁s argent ii , ▁commonly ▁known ▁as ▁the ▁fr illed ▁le ek ▁orch id , ▁is ▁a ▁species ▁of ▁orch id ▁en demic ▁to ▁the ▁south - west ▁of ▁Western ▁Australia . ▁It ▁is ▁a ▁tall ▁orch id ▁with ▁a ▁single ▁smooth , ▁tub ular ▁leaf ▁and ▁up ▁to ▁thirty ▁or ▁more ▁pur pl ish ▁and ▁white ▁or ▁golden ▁brown ▁and ▁white ▁flowers ▁with ▁a ▁fr illed ▁lab ell um . ▁ ▁Description ▁Pr as oph yll um ▁s argent ii ▁is ▁a ▁terrest rial , ▁per enn ial , ▁decid uous , ▁her b ▁with ▁an ▁under ground ▁t uber ▁and ▁a ▁single ▁smooth ▁green , ▁t ube - sh aped ▁leaf ▁ ▁long ▁and ▁ ▁in ▁diameter ▁near ▁the ▁base . ▁Between ▁ 1 0 ▁and ▁ 3 5 ▁or ▁more ▁flowers ▁are ▁arranged ▁on ▁a ▁flow ering ▁sp ike ▁ ▁high . ▁The ▁flowers ▁are ▁brown ish ▁and ▁white , ▁about ▁ ▁long ▁and ▁ ▁wide . ▁The ▁pet als ▁face ▁for wards ▁and ▁the ▁later al ▁sep als ▁are ▁ere ct , ▁white ▁and ▁f used ▁at ▁their ▁edges . ▁The ▁lab ell um ▁is ▁white , ▁suff used ▁with ▁p ink , ▁has ▁fr illy ▁edges ▁and ▁is ▁turned ▁up wards ▁towards ▁the ▁later al ▁sep als . ▁Flow ering ▁occurs ▁from ▁August ▁to ▁October ▁and ▁is ▁stim ulated ▁by ▁fire ▁or ▁light ▁disturb ance . ▁ ▁Tax onomy ▁and ▁naming ▁The ▁fr illed ▁le ek ▁orch id ▁was ▁first ▁formally ▁described