Shrub, up to 3 m high. Leaves (1)3-foliolate, shortly petiolate, glabrous; leaflets linear or narrowly elliptic, 1.2-3.2 cm long, 2-4 mm wide, the middle leaflet longer than the laterals, apex obtuse, mucronulate, base cuneate, margin somewhat revolute, midrib depressed above, prominent below; petiole 0.5-7 mm long; petiolule 1-1.5 mm long. Inflorescence of few-flowered terminal racemes; pedicels 4-10 mm long. Receptacle campanulate, 4 mm long, 4 mm wide at mouth; disc annular, fimbrillate with erect and some incurved fimbrillae, semi-carnose, 0.6-1 mm long. Sepals broadly ovate, somewhat boat-shaped, 7 mm long, 5 mm wide, apex slightly uncinate, margin somewhat revolute, ciliolate. Petals reduced, ovate, 1.4 mm long, 0.5 mm wide, clawed. Androphore 3 mm long. Stamens about 30, white; filaments 1.2 cm long; anthers oblong, 1.3 mm long. Gynophore 1.4 cm long. Ovary oblong, 2 mm long; stigma capitate. Fruit ellipsoid-cylindric, 1.8-2.5 cm long, 0.9-1.1 cm diam.; colliculate. Seeds subglobose, c.3 mm diam.