General:
Annual herb from a taproot; stems 1 to several, trailing to decumbent or erect, sparsely hairy, 10-50 cm long.

Leaves:
Alternate, somewhat pinnately compound; leaflets 3, egg- to heart-shaped, 5-15 mm long, shallowly toothed on the upper half, glabrous; stipules egg-shaped, 3-5 mm long, the free tips long-pointed, the margins entire to remotely toothed.

Flowers:
Inflorescence a dense, globe-shaped, short-stalked, axillary head of 3 to 20 drooping, pea-like flowers, the heads 6-8 mm wide and lacking an involucre; corollas yellow turning brown, 3-3.5 mm long, the banner hood-like, folded over the pod, longer than the wings and keel; calyces 1/2 as long as the corollas, glabrous, 5-veined, the teeth lanceolate, the upper pair wider but less than 1/2 as long as the lower three.

Fruits:
Pods, egg-shaped, enclosed by the persistent corolla; seeds 1.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia