Shrubs to 2 m tall. Branches dark grayish brown to bright brown. Leaves pinnate, 8-12-foliolate; petiole and rachis 3-7 cm, caducous; leaflet blades oblong, elliptic, or ovate-lanceolate, 1.5-2(-2.8) × 0.7-1(-1.5) cm, densely sericeous when young. Flowers solitary. Pedicel 0.6-1.5 cm, articulate apically from middle. Calyx tube campanulate, 5-7 mm. Corolla yellow, 1.3-1.5 cm; standard rhombic to broadly ovate, claw ca. 1/3 as long as limb; wings with claw ± as long as limb, auricle ca. 1/3 as long as claw; keel with claw slightly longer than limb, auricle spurlike. Ovary densely sericeous, with a carpopodium. Legume lanceolate, 2.5-3 cm, stipe nearly as long as to slightly longer than calyx. Fl. Apr-May, fr. Jun-Jul.
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