Rounded bushy shrub, 1.5-4 m tall, non-sprouting. Branchlets patchily appressed-pubescent to glabrescent at flowering. Leaves biconvex, narrowly linear, usually slightly falcate, 10-20 cm long, 1.9-2.8 mm wide, c. 1 mm deep, finely ribbed, narrowly acute with a weakly pungent mucro, glabrous; veins prominent, with midvein visible above and below and 2 usually fused veins along each margin. Inflorescence with 250-450 flowers; rachis 8.5-13.5 cm long, glabrous; pedicels glabrous. Perianth bright red, glabrous. Pistil 18-21 mm long; gland a thick semi-annular collar. Fruit 3-16 on elongated rachis, stalked or subsessile, woody, ovate, 1.7-2.5 cm long, 1-1.5 cm wide, distinctly divided into thick body and ±flat beak, scarcely or not apiculate, not keeled on ventral suture. Seed obliquely obovate, concave abaxially in lower half, 16-18 mm long, 7-9 mm wide; wing extending ±broadly down one side of body only, blackish brown to black.