Shrubs to 1.5(-2) m tall. Branches yellowish gray-green. Stipules spinelike, 4-7 mm. Leaves pinnate, 6-16-foliolate; petiole and rachis 1-5 cm, caducous; leaflet blades elliptic to obovate-elliptic, 3-10 × 4-6 mm, whitish green, both surfaces villous, apex rounded, acute, or rarely truncate. Flowers solitary. Pedicel 1-1.6 cm, articulate apically from middle. Calyx tube campanulate, 7-12 mm. Corolla yellow, 2-2.5 cm; standard broadly ovate to suborbicular, claw ca. 1/4-1/3 as long as limb; wings oblong, claw nearly as long as limb, auricle not prominent. Ovary glabrous. Legume lanceolate to oblong-lanceolate, 2.5-3.5 cm × 6-7 mm, flat, apex acute. Fl. May, fr. Jun. 2n = 16*.
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