▁Major ▁state ▁elections ▁in ▁chron ological ▁order . ▁ ▁Category : Pol it ics ▁of ▁Iowa ▁ 2 0 1 2 ▁Iowa ▁United ▁States ▁President <0x0A> </s> ▁Tr if ol ium ▁lei berg ii ▁is ▁a ▁species ▁of ▁flow ering ▁plant ▁in ▁the ▁leg ume ▁family ▁known ▁by ▁the ▁common ▁name ▁Le i berg ' s ▁clo ver . ▁It ▁is ▁native ▁to ▁Oregon ▁and ▁Nev ada ▁in ▁the ▁United ▁States . ▁ ▁This ▁clo ver ▁is ▁a ▁per enn ial ▁her b ▁growing ▁ 1 0 ▁to ▁ 1 5 ▁cent im eters ▁tall . ▁The ▁plant ▁has ▁a ▁co ating ▁of ▁gray ▁hair s . ▁The ▁leaves ▁are ▁each ▁made ▁up ▁of ▁three ▁sp ine - ti pped ▁leaf lets . ▁The ▁infl ores c ence ▁is ▁a ▁head ▁of ▁several ▁flowers ▁which ▁are ▁cre am - color ed ▁with ▁t ing es ▁of ▁p ink ▁or ▁pur ple . ▁Blo oming ▁occurs ▁in ▁June ▁and ▁July . ▁ ▁This ▁plant ▁grows ▁in ▁so ils ▁of ▁decom pos ing ▁t uff , ▁a ▁vol can ic ▁ash ▁substr ate . ▁The ▁plants ▁grow ▁in ▁cra cks ▁in ▁the ▁soil , ▁so ▁that ▁they ▁can ▁appear ▁to ▁be ▁growing ▁in ▁a ▁straight ▁line . ▁There ▁is ▁little ▁other ▁veget ation ▁in ▁the ▁habitat , ▁but ▁associated ▁plants ▁may ▁include ▁Ar tem is ia ▁ar bus cul a . ▁ ▁This ▁plant ▁may ▁have ▁a ▁dis j unct ▁distribution , ▁but ▁it ▁is ▁possible ▁more ▁populations ▁occur ▁in ▁the ▁ 3 0 0