Corniculatus:  Answers to key questions in Budd's Flora and Flora of Alberta leading to this species.   plants perennial; NOT annual stems solid; NOT hollow leaflets 5 leaflets pinnately arranged (the lower pair basal and resembling stipules) leaflets 5-15 mm long; NOT 10-25 mm long flowers in umbellate heads; NOT solitary in upper leaf axils flowers yellow calyx lobes incurved in bud; NOT recurved in bud calyx lobes 1.5 -2.0 mm long; NOT 2-4 mm long

 

Lotus: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. herbs; NOT shrubs plants NOT cushion plants plants NOT climbing stems NOT twining on vegetation leaves NOT glandular-dotted leaflets entire; NOT [clearly toothed] terminal leaflet normal; NOT replaced by a tendril flowers all alike; NOT [upper flowers with petals, the lower ones apetalous] flowers about 4 mm long; NOT 10-20 mm long keel NOT truncate fruit a legume; NOT a loment

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