Tree, up to 20 m, 20 cm dbh. Axillary buds 2, elliptic to ovate-oblong, 1.5—4(—6) mm long, acute, light yellowish brown. Petiole 4-6.5 mm, glabrous to sparsely very shortly hairy especially in the upper groove. Leaf-blade 5-12 by 1.8-5.5 cm, margin undulate; above dull, greyish green; beneath rather dull, sometimes slightly waxy, secondary nerves 3-5 pairs, forming a rather indistinct intramarginal nerve; glands 2-8, not in basal part, 0.2-0.3(-0.4) mm diam. Inflorescences unbranched, 1.5—5(—8) cm long, shorter than the leaves, bearing 3 or 4(-7) flowers; axes c. 0.5 mm diam., slightly flattened ba-sally, light brown, rather sparsely patently shortly hairy. Pedicel c. 2 mm, slightly grooved, rather densely patently shortly hairy. Sepals: outer ones 2.2-2.5 by 2-2.3 mm; inner ones 2.8-3.5 by 2.2-3 mm. Petals white or yellowish, when dry light brownish, the longest one 7-10 mm; carina nearly glabrous to rather densely hairy outside, shortly hairy at both sides basally; other petals nearly glabrous except for some hairs at the base and apex. Stamens: filaments of abaxial 4 stamens basally widened and slightly thickened; anthers 0.3-0.4 mm long. Ovary patently hairy; ovules 4. Fruit (immature) ovoid, dull greyish green, hairy, slightly wrinkled when dry; pericarp rather soft; pedicel up to 4.5 mm, light brown.