Shrubs to 3 m tall. Leaflets, pedicels, and current-year branchlets pubescent, glabrescent, and not glaucous. Old branches bright yellow, not glaucous; branchlets dark grayish green to brown. Leaves pinnate, 10-16-foliolate; petiole and rachis 2-4 cm, caducous; leaflet blades obovate, elliptic, or oblong, 3-8 × 3-5 mm, both surfaces pilose, apex rounded, emarginate, or acute. Flowers solitary or to 4 in a fascicle. Pedicel 1-2 cm, articulate apically. Calyx tube campanulate-tubular, 8-10 mm, pubescent to nearly glabrous. Corolla yellow, 2.5-2.8 cm; standard broadly obovate, 2-2.7 cm, claw short; wings with a claw ca. 2/3 as long as limb, auricle spurlike and ca. 1/3 as long as claw; keel with claw nearly as long as limb, auricle obtuse. Ovary with a 2.5-4 mm carpopodium, glabrous. Legume 4-5 cm, stipitate, glabrous. Fl. May, fr. Jul-Sep.
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