Shrubs to 1 m tall. Old branches yellowish brown; branchlets pubescent. Leaves pinnate, 8-14-foliolate; petiole and rachis 1.5-4(-5.5) cm, persistent; leaflet blades oblong to obovate-oblong, 6-12 × 3-4 mm, both surfaces appressed pubescent when young, base broadly cuneate, apex acute. Flowers solitary. Pedicel 5-7 mm, articulate basally. Calyx tube narrowly tubular, 1.5-2.1 cm. Corolla yellow, 3-3.6 cm; standard elliptic-ovate, claw 1/3-1/2 as long as limb, apex slightly emarginate; wings with claw ca. 2/3 as long as limb, auricle 2/5-1/2 as long as claw and often with an additional apical 1-2 mm auricle; keel with claw ± as long as limb. Ovary densely pubescent. Legume tubular, 3-3.5 cm, outside pubescent, inside with trichomes. Fl. May, fr. Jun-Jul. 2n = 16.
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