Shrub, up to 60 cm tall, branches hairy, later bark becomes furrowed. Leaf digitately compound, rachis 7.5-10.0 mm long, persistent, spinescent; leaflets 4, digitate, c. 7.5 mm long, narrowly oblanceolate, pubescent when young, later becoming glabrescent; stipules spiny, trifid. Inflorescence solitary axillary, pedicel shorter than the leaves, longer than the peduncle. Calyx c. 5 mm long, glabrous, teeth short, triangular. Corolla c. 1.5 cm long. Fruit c. 2.5 cm long, linear, glabrous.