Distribution: Occurring east of the Cascades crest in Washington; Washington to southern California, east to the Rocky Mountains and northern Great Plains.

Habitat: Dry soil, from the plains into the canyons and slopes of the lower mountains.

Flowers: May-July

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees

Finely pubescent annual, the stems 1-4 dm. tall, simple or freely-branched, single or several.

Leaves mostly alternate, scabrous and brittle, lanceolate to ovate-lanceolate, entire to wavy margined to deeply lobed; lower leaves short-petiolate, upper leaves sessile, bracteate leaves opposite.

Flowers irregularly cymose in compact clusters; calyx lobes 5, 2 mm. long; petals 5, distinct, yellow, 3-6 mm. long; stamens 15-35, shorter than the petals; style 1, ovary inferior.

Capsule linear, 1-3 cm. long, 1.5-2 mm. thick.