Erect densely branched shrub, 0.5-1.8 m tall; resprouting capacity unknown. Leaves alternate in lower parts, almost flat, obovate, almost whorled in flowering parts, concave, narrowly obovate to elliptic, very rigid, 3-10 cm long, 9-38 mm wide, entire or minutely denticulate, gradually acuminate; longitudinal veins prominent, with 1-3 above and below, at base coalescing into a cream patch often turning reddish with age; pinnate veins conspicuous. Inflorescence with 16-24 flowers; pedicels 5.5-6 mm long, glabrous. Perianth cream-yellow, split to base abaxially only. Pistil 34-37 mm long; gland obovoid. Fruit 1 or 2 per axil, obliquely ovate, 2.5-3.1 cm long, 1.6-2.1 cm wide, not or shortly beaked, shortly apiculate, becoming corky with age. Seed obliquely ovate, 18-21 mm long, 9-10 mm wide; wing extending down both sides of body, blackish brown, sometimes with paler streaks.