Distribution: Both sides of the Cascades in Washington; from southern Washington to southern California.
Habitat: Dry, open places in the valleys and foothills.
Conservation Status: Imperiled/Vulnerable in Washington (WANHP)
Annual herbs, the much-branched stems up to 3 dm. tall, the herbage glabrous or with fine, stiff hairs.
Leaves alternate, narrowly oblong, up to 15 mm. long and 3 mm. wide, remotely serrate.
Flowers solitary and terminal, but appearing scattered; calyx divided nearly to the base, the 5 lobes linear and elongate, 5-15 mm. long; corolla regular, narrowly bell-shaped, blue with whitish throat, 5-lobed, dimorphic, from shorter than the calyx lobes to much larger, up to 2 cm. long; stamens 5, free from the corolla; stigma 3-lobed; ovary inferior.
Capsule 3-celled, obconic, prominently ribbed, 6-15 mm. long, opening by terminal pores.