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

General:
Annual or biennial herb from a taproot; stems simple or branched, leafy, 0.2-1.0 m tall, sparsely hairy with 2-pronged hairs.

Leaves:
Basal leaves lacking; stem leaves linear to lanceolate or oblanceolate, entire or minutely toothed, 2-8 cm long, 2-18 mm wide, finely hairy with 3-pronged hairs.

Flowers:
Racemes bractless; flower stalks 4-15 mm long, spreading or spreading-ascending; petals pale yellow, 3.5-5 mm long; sepals yellowish or greenish, 2-3 mm long.

Fruits:
Siliques, ascending to erect, 1.5-2 (3) cm long, about 1 mm wide, round in cross section, finely appressed-hairy; beaks 0.5-1 mm long; seeds 1-1.2 mm long, wingless.