PLANT : Shrubs, glabrous to pubescent, to 0.3-1.0 m tall.

LEAVES : pinnately compound, 1.8-6.0 cm long; glands inconspicuous.

FLOWERS : in a lax, open raceme, 3.0-7.5 cm long; calyx with prominent veins, the teeth 3.7-4.5 mm long, acuminate, longer than the tube.

FRUIT : 7-10 mm long, glabrous or finely hairy, sparsely covered with rounded or elliptic glands.

NOTES : 4 vars. found in western North America, AZ, CA, NV, UT.

REFERENCES : Rhodes, Suzanne, June Beasley and Tina Ayers. 2011. Fabaceae. CANOTIA 7: 1-13.