Description: Perennial herb, 10 - 40 cm (4 - 15.7 in.) tall. Stems erect and ascending. Leaves 5 - 15 cm (2 - 5.9 in.) long; leaflets 11 to 19, obovate, 5 - 20 mm (0.8 in.) long. Inflorescence a very open raceme, with 10 - 25 flowers from near or above middle of peduncle. Flowers bilateral (pea-like); sepals fused, 6 - 9 mm (to 0.3 in.); petals pink-purple with banner 14 - 18 mm (to 0.7 in.) long. Fruit a pod, 5 - 6 mm (to 0.2 in.) in diameter, sessile, ascending, and narrowly ellipsoid, straight or gently curved. Time of flowering: April to June.
Habitat: Sandy soils. On bluffs, cliff terraces, gullied badlands, disturbed areas along streams. Elevations: 750 - 1,530 m (2,460 - 5,020 ft).
Range: Clark County, Nevada. Known to occur in the Gold Butte area: Grapevine Spring, north of Jumbo Peak, and Virgin Mountains. Also known from Arizona and Utah.
Comments: Flowering stage and pod maturation essential for correct identification since species is closely related to A. preussii.