Distribution: In the south-central counties of Washington; Washington south to California.
Habitat: Moist, sandy soil.
Conservation Status: Threatened in Washington (WANHP)
Rhizomatous perennial, with short, blunt hairs throughout, the freely-branched stems decumbent to erect, 1-4 dm. tall.
Leaves alternate, 3-7 cm. long, pinnatifid to lyrate pinnatifid, the lower ones petiolate, the upper sessile and auriculate, the segments ovate to oblong, often toothed.
Inflorescence of bractless racemes; pedicles spreading to ascending, 4-8 mm. long; sepals 4, persisting after flowering; petals 4, light yellow, 4 mm. long; stamens 6; style 1-2 mm. long, stigma entire.
Siliques oblong, 4-7 mm. long and 2-2.5 mm. broad, ascending to erect, somewhat curved, soft-pubescent; seeds in 2 series.