Cracca:  Answers to key questions in Budd's Flora, Flora of Alberta, and Flora of the Great Plains leading to this species. plants perennial; NOT [plants annual] glabrous or sparsely appressed pubescent; NOT [villous with more or less long-spreading pubescence] flowers many in a raceme; NOT [flowers 1 or 2 (seldom 4) in the upper leaf axils] raceme more or less one-sided raceme with 10-40 flowers; NOT [raceme with 2-9 flowers] raceme dense; NOT [raceme loose] pedicel appearing basal or from one side at base; NOT [pedicel appearing ventral] calyx slightly gibbous; NOT [calyx conspicuously gibbous at base]

 

Vicia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. herbs; NOT shrubs plants climbing terminal leaflet replaced by a tendril; NOT [terminal leaflet normal] wings of flower coherent with the keel ; NOT [wings of flower free from the keel] style filiform; NOT flattened style bearded at the tip ; NOT [style bearded along the inside]

Leguminosae:  Answers to key questions in Budd's Flora leading to this family.   herbs; NOT [shrubs or trees] plants terrestrial or semi-aquatic; NOT [plants aquatic, leaves submerged or floating] plants NOT with colored milky juice plants with more than one normal leaf some or all leaves alternate; NOT [leaves opposite, whorled, or basal] leaves with stipules calyx regular flowers with two floral rings, and with each petal distinct from the others flowers irregular in shape corolla pea-like; NOT [corolla with one petal spurred or sac-like] stamens usually separate or partly so; NOT [stamens united into a column] fruit a legume; NOT [fruit a 3-valved capsule]