Esculentum: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 

	plants densely long-hairy
	flowers in a short dense spike; NOT [flowers in racemes or loose spikes]
	flowers about 1.5 cm long; NOT [flowers smaller, generally less than 1.0 cm long]

Pediomelum: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 

	herbs; NOT [shrubs]
	plants not very low cushion plants
	plants not climbing
	the root tuber-like
	the terminal leaflet normal; NOT [the terminal leaflet replaced by a tendril]
	leaves palmately divided; NOT [leaves pinnately divided]
	keel not truncate; NOT [keel mostly truncate]
	fruit a legume; NOT [fruit a loment]

Leguminosae: Answers to key questions in Budd's Flora  leading to this family. 

	herbs; NOT [shrubs or trees]
	plants terrestrial or semiaquatic; 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; NOT [leaves without stipules, or having glands]
	flowers irregular in shape; NOT [flowers regular in shape]
	flowers with two floral rings, and with each petal distinct from the others
	calyx regular; NOT [calyx irregular, some sepals smaller than others]
	corolla pea-like; NOT [corolla with one petal spurred or sac-like]
	stamens usually separate or partly so, not in a column; NOT [stamens numerous, united into a column]
	fruit a legume