▁areas ▁where ▁the ▁plants ▁grow ▁in ▁he ath . ▁ ▁Description ▁Dar win ia ▁cam pt ost yl is ▁is ▁a ▁dens ely - fol i aged , ▁ere ct ▁or ▁spread ing ▁shr ub ▁which ▁grows ▁to ▁a ▁height ▁of ▁less ▁than ▁. ▁The ▁leaves ▁are ▁crow ded ▁near ▁the ▁ends ▁of ▁the ▁branches ▁and ▁are ▁fl atten ed ▁or ▁tri angular ▁in ▁cross ▁section . ▁They ▁are ▁ ▁long ▁and ▁less ▁than ▁. ▁ ▁The ▁flowers ▁are ▁cluster ed ▁near ▁the ▁ends ▁of ▁the ▁branches ▁in ▁groups ▁of ▁two ▁to ▁four ▁pairs , ▁on ▁stal ks ▁less ▁than ▁ ▁long , ▁. ▁When ▁they ▁open , ▁the ▁flowers ▁are ▁tub ular ▁in ▁shape , ▁surrounded ▁by ▁leaf - like ▁b ract s ▁and ▁two ▁lance - sh aped , ▁yellow ish - green ▁b ract e oles ▁which ▁fall ▁off ▁as ▁the ▁flowers ▁m ature . ▁The ▁b ract e oles ▁are ▁ ▁and ▁surr ound ▁the ▁fl oral ▁cup ▁which ▁is ▁ ▁long , ▁white ▁and ▁sometimes ▁has ▁a ▁red ▁tip . ▁The ▁pet als ▁are ▁egg - sh aped , ▁about ▁ ▁long ▁and ▁surr ound ▁the ▁stam ens ▁and ▁the ▁base ▁of ▁the ▁style . ▁The ▁style ▁is ▁white , ▁cur ved ▁and ▁ ▁long . ▁Flow ering ▁usually ▁occurs ▁between ▁August ▁and ▁November ▁and ▁is ▁followed ▁by ▁the ▁fruit ▁which ▁is ▁a ▁small , ▁non - f les hy ▁nut . ▁ ▁Tax onomy ▁The ▁first ▁formal ▁description ▁of ▁Dar win ia ▁cam pt ost yl is