Small shrub, straggler or climber up to 5 m high; young branches green, longitudinally striate. Leaves l(2)3-foliolate; leaflets linear, narrowly elliptic, elliptic, ovate or more rarely obovate, 2-2-7-5 cm long, the median the longer, 0- 5-2 cm wide, apex obtuse, round or occasionally emarginate, with prominent mucro up to 2-5 mm long, base cuneate to broadly cuneate, margins entire, lateral veins 4 or 5, looping before the margin to form conspicuous submarginal vein, chartaceous, sometimes somewhat fleshy, often glaucous, glabrous, sometimes at angle to petiole; petiole 0-3-4-5 cm long; petiolule 3-8 mm long. Inflorescence of 2-8-flowered lax ra­cemes at the ends of the branches or solitary in the axils of the upper leaves; pedicels up to 3-5 cm long. Receptacles infundibular, 5-8 mm long, 3-4 mm wide at apex, faintly ribbed; disc lobed, with lobes unequally laciniate, 1-2 mm long. Sepals 4, elliptic, 1-7-1-9 cm long, 5-6 mm wide, apex acute and navicular, glabrous or puberulous, ciliate on margins. Petals 4, white, elliptic, ovate, broadly ovate or rotund, 3-5-9 mm long, 2-4 -5 mm wide, clawed, apex acuminate acute, obtuse or rounded. Androphore c. 4 mm long, usually equalling receptacle. Stamens 20-45, up to 2-1 cm long; anthers 2 mm long. Gynophore 1-9-2-2 mm long. Ovary ovoid-oblong, 3-5-5 mm long; ovules c 40; stigma sessile, capitate. Fruits ellipsoid, sometimes tending to cylindrical, up to 4-5 cm long and 2-5 cm diam., colliculate or corrugated with colliculate islands or pillars. Seeds 10-20, subglobose, angled, up to 7 mm diam., rugose.