PLANT : Erect, suffrutescent perennial, 1.5–4.0 m tall. STEMS : green, brittle, much-branched from the base, dotted with dark reddish glands. LEAVES : 1–4 cm long, long-petiolate; petioles 5–8 mm; leaflets obovate 4–6 mm long, 2–4 mm wide, gland-dotted abaxially, sparsely canescent on both sides. INFLORESCENCE : a loose raceme, 2–10 cm long. FLOWERS : 5–8 mm long; calyx lobes triangular, ca. 0.8 mm long, acute, shorter than the tube, with canescent veins, without prominent ribs; petals bright blue-purple and white. FRUIT : an obliquely obovoid and compressed pod, 1.8–2.4 mm long with two rows of glands on each side. NOTES : Common on low deserts on granitic or volcanic soils: Cochise, Gila, La Paz, Maricopa, Mohave, Pima, Pinal, Yavapai, Yuma cos. (Fig. 1C); 0–1150 m (0–3700 ft); Mar–Jun (all year); s CA; Baja C., Son. in Mex. REFERENCES : Rhodes, Suzanne, June Beasley and Tina Ayers. 2011. Fabaceae. CANOTIA 7: 1–13.
Plant: Perennial 2-8 dm, strigose, generally gland-dotted Leaves: well spaced, odd-1-pinnate; leaflets opposite, 11-23, 0.5-6 mm, oblong obovate to orbicular to ± round, not folded, ± gland-dotted INFLORESCENCE: raceme, terminal, 2-10 cm Flowers: calyx lobes < tube; corolla 5-7 mm, generally 2-colored (blue-violet and white), petals (except banner) arising from side of filament column; stamens generally 10, filaments fused; ovule 1 Fruit: legume, indehiscent, included or slightly exserted; Seed 1, often ± reniform, generally hard, smooth Misc: Open desert washes, stony slopes, roadsides; < 800 m.; Feb-Jun References: Shreve and Wiggins 1964.J.C. Hickman, ed. The Jepson Manual.