omb ic - ov ate ▁to ▁lance olate ▁leaf ▁bla de . ▁The ▁leaf ▁margin ▁can ▁be ▁irregular ly ▁dent ate ▁or ▁lo bed , ▁or ▁p inn atif id ▁with ▁narrow ▁dent ate ▁lo bes . ▁ ▁The ▁ax ill ary ▁and ▁terminal ▁infl ores c ences ▁consist ▁of ▁small ▁dense ▁gl omer ules ▁of ▁flowers , ▁arranged ▁sp ic ately ▁or ▁pan icul ately . ▁Flow ers ▁are ▁bis ex ual ▁or ▁p ist ill ate . ▁They ▁contain ▁ 5 ▁bas ally ▁conn ate ▁per ian th ▁segments ▁with ▁a ▁prominent ▁ke el ▁near ▁the ▁a pe x , ▁and ▁a ▁characteristic ▁strong ▁mid rib ▁visible ▁from ▁the ▁inside ; ▁a ▁circle ▁of ▁ 5 ▁stam ens ; ▁and ▁an ▁ov ary ▁with ▁ 2 ▁st ig mas . ▁ ▁In ▁fruit , ▁the ▁per ian th ▁lo bes ▁enc lose ▁the ▁fruit ▁or ▁spread . ▁The ▁memb rane ous ▁per ic arp ▁ad her es ▁firm ly ▁to ▁the ▁seed . ▁The ▁hor izont ally ▁orient ated ▁se eds ▁are ▁l entic ular . ▁The ▁black ▁seed ▁coat ▁is ▁often ▁prom in ently ▁p itted , ▁sometimes ▁rug ul ose ▁or ▁nearly ▁smooth . ▁ ▁System at ics ▁and ▁distribution ▁ ▁The ▁genus ▁Chen op od ias tr um ▁was ▁described ▁in ▁ 2 0 1 2 ▁by ▁Su zy ▁Fu entes - B az an , ▁Per tt i ▁U ot ila ▁und ▁Thomas ▁Bor sch ▁( in : ▁A ▁novel ▁ph y log eny - based ▁generic