▁Baker ▁in ▁ 1 8 7 8 . ▁He ▁referred ▁to ▁the ▁leaves ▁as ▁" A mary ll is - like " ▁in ▁contrast ▁with ▁the ▁bro ader ▁leaves ▁of ▁E .   und ul ata ▁( now ▁a ▁syn onym ▁of ▁E .   aut umn alis ), ▁which ▁it ▁otherwise ▁res emble d . ▁In ▁ 1 9 7 2 , ▁William ▁Frederick ▁Rey ne ke ▁considered ▁the ▁species ▁to ▁be ▁merely ▁a ▁variety ▁of ▁E .   aut umn alis , ▁but ▁then , ▁in ▁ 1 9 8 0 , ▁elev ated ▁it ▁to ▁a ▁sub species , ▁as ▁E .   aut umn alis ▁sub sp . ▁am ary ll id ifolia . ▁However , ▁later ▁research ▁showed ▁that ▁E .   am ary ll id ifolia ▁was ▁one ▁of ▁the ▁smaller ▁dip lo id ▁species ▁of ▁Eu com is , ▁with ▁ 2 n ▁= ▁ 2 x ▁= ▁ 3 0 , ▁whereas ▁E .   aut umn alis ▁was ▁one ▁of ▁the ▁larger ▁t et rap lo id ▁species , ▁with ▁ 2 n ▁= ▁ 4 x ▁= ▁ 6 0 . ▁According ly , ▁E .   am ary ll id ifolia ▁is ▁now ▁accepted ▁as ▁a ▁full ▁species . ▁ ▁Distribution ▁and ▁habitat ▁Eu com is ▁am ary ll id ifolia ▁is ▁native ▁to ▁the ▁Cape ▁Provin ces ▁of ▁South ▁Africa , ▁and ▁in ▁particular ▁the ▁Eastern ▁Cape , ▁possibly ▁extending ▁into ▁the ▁Orange ▁Free ▁State . ▁It ▁grows ▁on ▁rock y