General:
Annual herb; stems usually erect, 20-50 cm tall, slender, narrowly winged to wingless, glabrous.

Leaves:
Alternate, pinnately compound with 2 leaflets; leaflets linear to narrowly elliptic, 3-6 cm long; lower leaves bristle-tipped, upper ones with well-developed tendrils; stipules 2-lobed, linear to narrowly lanceolate, about 1/4 the length of the leaflets, the upper lobe twice as long as the lower.

Flowers:
Inflorescence of solitary, stalked, axillary, pea-like flowers with the axis extending beyond the stalk as a bristle or tendril; corollas orange-red, about 10 mm long, the banner-claw about as long as the blade; calyces 5-8 mm long, the linear-lanceolate teeth usually longer than the tube.

Fruits:
Pods, 3-6 cm long, 3-5 mm wide, glabrous, longitudinally grooved; seeds 10 to 26.

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