Herbs, perennial, 20-40 cm tall. Stems caespitose, erect. Stipules broadly lanceolate, 1.5-2 cm, connate farther than middle. Leaves 8-14 cm, 13-27-foliolate; leaflet blades long ovate to ovate-lanceolate, 1.5-2 × 0.5-0.7 cm, abaxially dark brownish and pilose along veins, adaxially glabrous. Racemes lax, with many flowers; bracts subulate-lanceolate, slightly longer than pedicel; peduncle longer than leaves. Pedicel 2-3 mm. Calyx campanulate, 8-10 mm, pubescent; teeth lanceolate-triangular, ± as long as tube, most abaxial tooth slightly longer than others. Corolla yellow; standard long obovate, 1.4-1.6 cm; wings ± as long as standard; keel 1-2 mm longer than standard. Ovary pubescent. Legume divided into 2 or 3 articles; articles ellipsoid to long ovoid, 5-6 × 3-4 mm, compressed, pubescent, margin narrow and dentate. Fl. Jun-Aug, fr. Aug-Sep.
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