Distribution: East of the Cascades in Washington; Washington south to California, east to Idaho, Colorado, and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Conservation Status: Review Group 1 in Washington (WANHP)
Annual between 8 to 32 cm tall, with stalked glands above, branches ascending or spreading, woolly beneath inflorescence.
Leaves in basal rosette, pinnately lobed, lobes 2 to 10 mm. long and equally wide, linear or rounded, entire or few-toothed, ascending.
Flowers in a clustered inflorescence, which opens in fruit; flowers either 2 or 4; pedicels unequal; calyx often glabrous or gland-dotted, or tufted in early flowers, 2.6-4.6 mm. long; corolla yellow, 6-11 mm. or 3-4 times as long as the lobes, lobes 1.6-2 mm. lavender with a purple spot at lobe base or in throat; stamens 5, style exserted, longest stamens exceed the corolla.
Capsule with valves detaching, oblong to ovoid, 5 to 8 mm. long.