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

General:
Annual herb from a taproot; stems branched, 15-45 cm long, prostrate or ascending.

Leaves:
Basal leaves egg-shaped or oblanceolate to deeply pinnately lobed, fleshy, the lower leaves usually distinctly pinnately lobed, stalked, 3-6 cm long; upper stem leaves less lobed or entire, unstalked.

Flowers:
Inflorescence a raceme; flower stalks 3-7 mm long, stout, ascending; petals purple, lilac or white, 6-10 mm long; sepals 3-5 mm long.

Fruits:
Siliques, 1.5-3 cm long, usually expanded at the joints into projecting wings, the upper segment twice as long as lower, conic to cylindric, tips acute to blunt.