▁The ▁tips ▁of ▁the ▁standards ▁are ▁incl ined ▁to ▁each ▁other . ▁ ▁It ▁has ▁per ian th ▁t ube ▁that ▁is ▁ 4   cm ▁long , ▁and ▁a ▁ 1 . 5   cm ▁long ▁and ▁ 1 . 8   cm ▁wide ▁ov ary . ▁It ▁has ▁blue ▁stam ens , ▁a ▁ 4 . 5   cm ▁long ▁and ▁ 1 . 5   cm ▁wide ▁st igma ▁and ▁fil aments ▁longer ▁than ▁the ▁an thers . ▁ ▁After ▁the ▁ir is ▁has ▁flow ered , ▁it ▁produces ▁an ▁o void , ▁or ▁ob ov ate ,( which ▁is ▁tri angular ▁in ▁section ), ▁seed ▁caps ule . ▁It ▁is ▁ ▁long , ▁and ▁ 3 . 5   cm ▁wide . ▁ ▁Bio chem istry ▁In ▁ 2 0 1 2 , ▁a ▁study ▁was ▁carried ▁out ▁on ▁ 4 ▁dip lo id ▁and ▁ 7 ▁allo pol yp lo id ▁be arded ▁I ris ▁species . ▁Their ▁leaf ▁flav ono id , ▁is of lav ono id ▁and ▁x anth one ▁constitu ents ▁were ▁investig ated . ▁It ▁also ▁found ▁that ▁I ris ▁b ic ap it ata ▁had ▁a ▁chrom os ome ▁number ▁of ▁ 2 n = 4 0 , ▁and ▁was ▁a ▁parent ▁species ▁of ▁ ▁I ris ▁g erman ica ▁and ▁I ris ▁alb icans ▁( who ▁are ▁counted ▁as ▁ 2 n = 4 4 ). ▁ ▁As ▁most ▁ir ises ▁are ▁dip lo id , ▁having ▁two ▁sets ▁of ▁chrom os