Multi-stemmed shrub 1-3 m tall, resprouting from base. Branchlets and young leaves appressed brown-pubescent, glabrescent. Leaves: petiole 1-2.5 (-3) cm long; lamina narrowly elliptic to obovate, (3.5-) 7-19.5 cm long, (0.8-) 1.3-7 cm wide, attenuate, obtuse to acute, with mucro 1-2 mm long; longitudinal veins 3, with secondary veins between conspicuously anastomosing. Inflorescence with c. 60-80 flowers; rachis 40-70 mm long, glabrous or sparsely appressed-pubescent at least in flower-bearing parts; pedicels 2.3-3 mm long, glabrous, mid-green. Perianth 7-8.5 mm long, ±deep yellow, glabrous or with scattered hairs in bud. Pistil 18-26 mm long; style mid-green. Fruit valves obliquely ovate, 2.5-3.5 cm long, 1.7-2 cm wide; red-brown wood zone 2-3.5 mm wide. Seed narrowly obovate, 18-25 mm long.