Distribution: Occurring east of the Cascades crest in Washington; Washington to Baja California, east to Idaho and Arizona.

Habitat: Moist to rather dry hillsides and woodlands.

Flowers: March-May

Origin: Native

Growth Duration: Annual

Conservation Status: Threatened in Washington (WANHP)

Pollination: Bees, flies, butterflies, beetles

Delicate annual with soft, fine hairs and filiform roots, the stems moderately branched, erect, 1-2.5 dm. tall.

Basal leaves with long, slender petioles, the blades 5-10 mm. long, cordate, 3-parted and lobed; cauline leaves alternate, the blades to 20 mm. long and 30 mm. wide, ternate and lacerate-lobed into oblong segments.

Flowers on slender pedicles 1-2 cm. long; sepals 5, petaloid, soft-hairy, 1-1.5 mm. long; petals pale yellow, 1-5 or lacking, equalling the sepals but narrower; nectary above the midpoint of the petal, the scale glabrous, attached only by the broad base, deltoid; receptacle globose, glabrous; stamens 6-15.

Achenes 4-10, nearly circular, compressed, about 2 mm. long, covered with numerous short, hooked bristles; stylar beak stout, slightly hooked.