UW Burke Herbarium species comparison

Leaves pinnate;

leaflets 10-14, linear to obovate-oblanceolate, 1.5-3 cm. long, rounded or with a shallow notch, and with a needle-like tip;

stipules 3-8 mm. long, deeply toothed or saggitate;

tendrils well-developed, branched.

Leaves pinnate, 6-12 cm. long, with well-developed tendrils;

leaflets 12-18, linear, 1.5-3 cm. long, with a needle-like tip;

stipules toothed to entire, 7-15 mm. long.

Flowers pea-like, 1-3 in the leaf axils, short-pedunculate, 15-25 mm. long;

calyx over half the length of the corolla, the 5 teeth narrowly awl-shaped, equal, usually longer than the tube;

banner erect, orchid to purplish;

wings often red;

style densely bearded at the tip.

Inflorescence of axillary racemes, these longer than the peduncles and exceeding the leaves;

flowers pea-like, 20-70. closely packed, 10-15 mm. long, pendulous, violet-purple;

calyx half as long as the corolla, the tube 2-3 mm. long, oblique and slightly bulged, the upper 2 lobes very short, triangular, the lower 3 much longer;

style densely bearded at the tip.

Pod 3-7 cm. long.

Pod 1.5-2 cm. long and 6-10 mm. broad, flattened, several-seeded.