Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Dry, usually sandy soil in the shrub-steppe to the foothills.
Growth Duration: Annual
Conservation Status: Not of concern
Pubescent to glabrous annual, the simple or freely-branched stems 1-4 dm. tall, whitish and shining.
Leaves alternate, scabrous and brittle, various, 2-10 cm. long; basal leaves narrowed to petioles, linear and entire; cauline leaves sessile to petiolate, linear to lanceolate, entire to laciniate into linear lobes: floral leaves broader, few-toothed.
Flowers few in open cymes; calyx 1-2 cm. long, the 5 lobes 2-4 mm. long; petals 5, distinct, yellow, 2-6 mm. long; stamens 15-35, shorter than the petals; style 1, ovary inferior.
Capsule narrowly club-shaped, 1-2.5 cm. long and 2 mm. thick.