Oxytropis sericea Nutt.
Flowering Period: May, June, July
Family: Bean / Pea ( Fabaceae / Leguminosae )
Life Span: Perennial
Leaves: Green and slightly hairy alternate leaves. Basal, 5-30 cm long, pinnately divided into 11-17 narrowly elliptic leaflets, 10-35 mm long, grayish with dense, flat, silky hairs. Stipules membranous, 10-30 mm long, joined to the leaf stalk for 3/4 of their length.
Flowers: Clusters of white or pale purple flowers. The keel (the part with purple spot) has a beak and looks a little like a bird, it has large wings, and the calyx has dark tips.
Fruits: Pods with short-hairy, 15-25 mm long, short-beaked, 5-7 mm in diameter, fleshy when green, the wall hardened and nearly 1 mm thick when dried.
Habitat: Prairie land to drier sub-alpine meadows and slopes.
Distribution: Colorado distribution map
Reproduction: By seeds.
Toxicity: This plant is poisonous to livestock.