ets ▁sit ▁on ▁a ▁common ▁base ▁( or ▁re cept acle ) ▁and ▁are ▁not ▁individually ▁subt ended ▁by ▁a ▁b ract ▁( or ▁pale a ). ▁The ▁species ▁occur ▁in ▁the ▁Cape ▁Flor istic ▁Region . ▁Poly arr h ena ▁ref lex a ▁has ▁long ▁been ▁cultiv ated ▁as ▁an ▁orn amental ▁and ▁is ▁often ▁known ▁under ▁its ▁syn onym ▁A ster ▁ref lex um . ▁ ▁Tax onomy ▁ ▁In ▁his ▁famous ▁work ▁Species ▁Plant ar um , ▁Carl ▁Lin na eus ▁described ▁A ster ▁ref lex us , ▁which ▁was ▁the ▁first ▁valid ▁scientific ▁description ▁of ▁a ▁species ▁that ▁is ▁now ▁assigned ▁to ▁the ▁genus ▁Poly arr h ena . ▁Carl ▁Peter ▁Th un berg ▁thought ▁this ▁species ▁would ▁be ▁better ▁placed ▁in ▁Ch ry so com a . ▁In ▁the ▁D iction naire ▁des ▁Sciences ▁Nature lles , ▁volume ▁ 5 6 , ▁that ▁was ▁published ▁in ▁ 1 8 2 8 , ▁French ▁A ster aceae ▁special ist ▁Henri ▁Cass ini ▁ere cted ▁the ▁genus ▁Poly arr h ena , ▁and ▁named ▁the ▁type ▁species ▁Poly arr h ena ▁ref lex a , ▁that ▁was ▁based ▁on ▁A ster ▁ref lex us . ▁The ▁genus ▁name ▁is ▁a ▁contra ction ▁of ▁ ▁" many ", ▁and ▁ ▁" male ", ▁which ▁Cass ini ▁chose ▁because ▁he ▁said ▁it ▁fitted ▁this ▁genus . ▁Christian ▁Friedrich ▁Less ing ▁in ▁ 1 8 3 2 ▁assigned ▁P . ▁ref lex a ▁to ▁his ▁new ▁genus ▁El phe ge a , ▁with