Tree up to 22½ m; branchlets slender. Leaves obovate to elliptic, 4-12 by 1½-5 cm, chartaceous to subcoriaceous; base attenuate; apex acuminate; nerves 4-6 pairs; veins obscure beneath; petiole slender, 1-2 cm. Inflorescence up to 7 cm, slender, subglabrous to puberulous; all bracts triangular, under 3 mm. Sepals (4-)5, broader than long. Petals (4-)5, glabrous to appressed-hairy outside. Stamens (4-)5. Fruit oblong, 2½-3 by 1¼-1½ cm.
In forests, from low altitude up to 1350 m. Fl. May-Sept.; fr. Jan.-Dec. Galls are rather frequent on stem, leaf and fruit.