Shrub, up to 1 m high. Stems densely divaricately branched, forming short branchlets. Leaves sessile; trifoliolate; leaflets broadly obovate, 2.4-6.1 x 1.2-3.4 mm, apex acute to rounded, margins toothed or lobed; glabrous. Flowers: solitary in axils of leaves; sepals 4; brownish; Nov.-Jan.