▁with ▁a ▁brown ish ▁lab ell um . ▁ ▁The ▁d ors al ▁se pal ▁is ▁ere ct , ▁lance - sh aped ▁and ▁about ▁ ▁long . ▁The ▁later al ▁sep als ▁are ▁linear ▁to ▁lance - sh aped , ▁wider ▁than ▁the ▁d ors al ▁se pal , ▁spread ▁widely ▁and ▁t aper ▁to ▁a ▁point . ▁The ▁pet als ▁are ▁a ▁similar ▁shape ▁to ▁the ▁sep als ▁but ▁nar ro wer ▁and ▁about ▁ ▁long . ▁The ▁lab ell um ▁is ▁brown ish - red ▁with ▁a ▁smooth ▁edge ▁and ▁curves ▁down ward ▁near ▁the ▁tip . ▁There ▁are ▁dens ely ▁crow ded , ▁tall , ▁red - ti pped ▁cal li ▁in ▁the ▁centre ▁of ▁the ▁lab ell um . ▁The ▁column ▁is ▁almost ▁as ▁long ▁as ▁the ▁lab ell um ▁and ▁curves ▁forward ▁with ▁two ▁wide ▁wings . ▁Flow ering ▁occurs ▁from ▁August ▁to ▁late ▁September . ▁ ▁Tax onomy ▁and ▁naming ▁Cal aden ia ▁crist ata ▁was ▁first ▁formally ▁described ▁by ▁Richard ▁Sand ers ▁Rog ers ▁in ▁ 1 9 2 3 ▁and ▁the ▁description ▁was ▁published ▁in ▁Trans actions ▁and ▁Pro ceed ings ▁of ▁the ▁Royal ▁Society ▁of ▁South ▁Australia ▁from ▁a ▁spec imen ▁found ▁in ▁the ▁ ▁M urch ison ▁district ▁by ▁" Dr . ▁E . S . ▁Sim pson ". ▁The ▁specific ▁ep ith et ▁( c rist ata ) ▁is ▁a ▁Latin ▁word ▁meaning ▁" tu ft ed " ▁or ▁" cr ested " ▁referring ▁to ▁the ▁tall ▁lab ell um ▁cal