Erect shrub or small tree with ascending branches, 2-9 m tall, resprouting or non-sprouting. Branchlets densely appressed-sericeous or glabrescent by flowering. Leaves spathulate to narrowly elliptic, 5.5-15 cm long (including petiole 0-1.8 cm), 2.3-6 cm wide, narrowly cuneate to attenuate at base, acuminate, pale grey-green, quickly glabrescent or moderately appressed-sericeous at flowering; longitudinal veins usually (1-) 3 (-4); reticulate veins prominent above and below. Inflorescence axillary or at leafless node, sometimes resprouting in subsequent years, with 120-200 flowers; pedicels 8-9.5 mm long, glabrous. Pistil 14-18 mm long, cream-white; gland a V-shaped flap, 0.5-0.6 mm high. Fruit ±obliquely ovate-elliptic, 2.2-3.6 cm long, 1.1-1.9 cm wide, curved at base, obscurely or not beaked, not flanged. Seed obliquely ovate, 14-22 mm long; wing extending broadly down both sides of body (narrower on one side), sometimes narrowly around base also, blackish brown to black.