Shrubs to 2 m tall. Branches gray to grayish green. Leaves pinnate, 6-10-foliolate; petiole and rachis 3-6 cm, caducous or rarely persistent; leaflet blades broadly obovate to elliptic, 1-2 × 0.5-1 cm, glabrous or appressed pilose, apex rounded to truncate. Flowers solitary. Pedicel 2-5 cm, articulate apically from middle. Calyx tube campanulate, 6-8 mm. Corolla yellow; standard broadly ovate, 2.4-2.7 cm, base narrow to shortly clawed; wings 2.7-3 cm, claw ca. 2/5 as long as limb, auricle narrow and ca. 1/3 as long as claw; keel with claw ca. 2/3 as long as limb, auricle short and obtuse. Ovary glabrous. Legume cylindric, 3-5 cm, glabrous. Fl. May, fr. Jul. 2n = 16.
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