Bush, may be spiny, 2-3 m; leaves imparipinnate; petiole and rachis with groove, sides almost winged; leaflets 11-25, directly attached or with short stems, ovate to orbicular, 0.8-2 cm, sometimes with 2-3 spines on underside; inflorescence at end, corymbose; follicles 2-3, globose or ovoid-globose, 4-5 mm.