E-Flora BC: Electronic Atlas of the Flora of British Columbia

General:
Annual herb from a taproot; stems climbing or decumbent, 30-70 cm tall/long, slender, 4-angled, grooved, glabrous to finely hairy.

Leaves:
Alternate, pinnately compound; leaflets 12 to 18, linear to narrowly elliptic, 0.5-2 cm long, squared-off and notched or 1- to 5-toothed at the tip; tendrils well developed, usually branched, grasping; stipules linear, 2-5 mm long, lobed at the base,.

Flowers:
Inflorescence a short-stalked raceme of 3 to 8 pea-like flowers, generally shorter than the subtending leaf; corollas whitish to pale blue, 3-4 mm long; calyx teeth lanceolate, about equal to the tube.

Fruits:
Pods, broadly oblong or elliptic, hairy, 1 cm long; seeds usually 2.