Multi-stemmed shrub or tree to 7 m high, lignotuberous. Branchlets and young leaves densely ferruginous appressed-pubescent. Leaves: petiole 0.6-1.5 cm long; lamina narrowly elliptic, 7.5-28.5 cm long, 0.6-3 cm wide, narrowly attenuate, long-acuminate, with mucro 1-3 mm long; longitudinal veins pinnate, distally 3 or 5, with secondary veins between rarely obviously anastomosing. Inflorescence with 70-110 or more flowers; rachis 40-75 mm long, densely (rarely moderately) appressed-pubescent; pedicels 1.2-2 mm long, glabrous, reddening. Perianth 7-10 mm long, green, glabrous or with scattered hairs in bud. Pistil 23-27 mm long; style red. Fruit valves obliquely ovate, 1.5-2.2 cm long, 1.2-1.4 cm wide; red-brown wood zone 1-1.5 mm wide. Seed narrowly obovate, 14-20 mm long.