Drummondii:  Answers to key questions in Budd's Flora and Flora of Alberta leading to this species.   stems evident, erect or decumbent, often branched and leafy; plants NOT [densely caespitose or pulvinate; leaves many, crowded; flowers often included among leaves or barely exceeding them], plants NOT [low, cushion-like, matted or straggling] plants taller than 10 cm plants densely hairy stems generally less than 5 mm thick at base, NOT 5-10 mm thick leaves NOT needle-like leaflets NOT narrowly linear leaflets shorter than 2-4 cm long flowers about 20 mm long; NOT 10-15 mm long flowers white, yellow, or greenish; NOT [at least partly reddish, purplish, or bluish] (Budd's Flora) petals mostly yellow, cream or orange, the keel sometimes tinged with blue or blue-tipped; NOT  [petals blue, purple or pink or predominantly so (sometimes very pale with only flashes of deeper colour)] (Flora of Alberta) keel-petals yellow, tips blue; keel petals NOT lavender-tinged pod dry, dehiscent; NOT plum-like, NOT indehiscent

 

Astragalus: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. herbs; NOT shrubs plants NOT climbing leafy stems often present; NOT [usually absent] leaves pinnately divided; NOT palmately divided leaflets more than 3 terminal leaflet normal; NOT replaced by a tendril leaflets NOT [5, pinnately arranged (the lower pair basal and resembling stipules)] leaves NOT glandular-dotted inflorescence NOT umbel-like calyx-lobes NOT [subulate, much longer than the tube] flowers NOT [pinkish to red or purple] flowers NOT yellow (FOA) keel rounded or obtuse at the tip; NOT with a sharp point at the tip keel NOT truncate fruit a legume; NOT a loment, NOT segmented fruit NOT [only slightly longer than wide, with short stout spines, 1-seeded]

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