Distribution: Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to California, east to Montana and Colorado.

Habitat: Wooded slopes, thickets, and less often in open places, from the foothills to moderate elevations in the mountains.

Flowers: April-July

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees, flies, sawflies

Delicate annual from a taproot, the stem usually branched, weak, angled, 1-3 dm. tall.

Leaves alternate, thin, stiff-hairy, especially on the margins and on the petiole; leaf blades with a narrow rachis and 2 pairs of spreading, lateral lobes, these up to 2 cm. long and 7 mm. wide.

Flowers solitary in the leaf axils, the pedicels opposite the leaves, elongating to 5-15 mm. in fruit; flowers tiny, the lavender, cup-shaped corolla 2 mm. long, surpassed by the 5 bristly calyx lobes; appendages between the calyx lobes 1-2 mm. long; stamens 5, the filaments short; style short, shallowly 2-cleft.

Capsule 1-seeded.