Distribution: Endemic to Washington from Kittitas and Douglas counties south to Benton, east to Grant and Adams counties.
Habitat: Sagebrush and desert areas, especially on sand dunes.
Conservation Status: Not of concern
Silky-grayish perennial from a woody taproot and knotty, branched crown, the several stems 1.5-4 dm. tall, often with flowers from below the middle.
Leaves alternate, pinnate, 3-7.5 cm. long; leaflets 11-21, linear to narrowly oblong, 10-15 mm. long; stipules linear-tipped, 3-8 mm. long, the lower clasping, the upper free.
Inflorescence of spike-like, axillary racemes, up to 15 cm. long and loosely 10- to 35-flowered; peduncles shorter than the leaves; flowers spreading to reflexed, 4.5-9 mm. long, white or purplish-tinged or -veined; calyx bell-shaped, 3.5-5.5 mm. long, black-hairy, the 5 teeth linier, longer than the tube; banner narrow, reflexed, 4.5-7.5 mm. long; keel rounded; stamens 10.
Pod subsessile, reflexed, 5-9 mm. long, 2-celled by intrusion of lower suture, cordate in cross section with flat lateral sides.