Distribution: Occurring in the south-central area of Washington along the Oregon border; Washington south to California, east to Idaho, Nevada, and Utah.
Habitat: Open, rocky ridges of the sagebrush desert, up into the lower mountains.
Conservation Status: Threatened in Washington (WANHP)
Tufted, scapose perennial from a long, heavy taproot and branched crown, pubescent with simple and forked hairs, the scapes 1-3 dm. tall.
Leaves alternate, leathery, oblanceolate, 5-12 mm. long and 1-2 mm. broad, with marginal simple or forked hairs, sometimes pubescent on the lower surface.
Inflorescence of 2- to 10-flowered racemes on the scapes; sepals 4, spreading; petals 4, white, 4-5 mm. long, clawed; stamens 6; style 0.5-1.5 mm. long.
Silicles somewhat inflated, ovoid, leathery, 3-7 mm. long, pubescent with soft, simple hairs.