Shrub or tree to 21 m, 40 cm ø. Young twigs tomentellous to tomentose or appressedly pubescent, glabrescent. Leaves glabrous, brownish or olive to yellowish green glossy above, elliptic, acuminate with cuneate-attenuate base and more or less revolute finely glandular dentate to nearly entire margin, 2½-12 by 1¼-3 cm; midrib promi-nent above or flat, rarely flat and sunken; nerves 5-11 pairs, meeting in a looped intramarginal vein; petiole 2-7 mm. Raceme to 2 cm long, axis tomentose to appressedly pubescent. Bracts 1-2 mm, bracteoles ¼-1½ mm, both persistent, with same indument as axis. Pedicels 2-5 mm. Calyx lobes rounded, ciliolate ½-2 mm. Corolla 4—6 mm. Stamens 50 to more than 100. Disk tomentose or shortly soft hairy. Ovary tomentose to (finely) appressedly pubescent, c. ½-l½ mm high; style glabrous or hairy towards the base, 4-7 mm. Fruit 3-celled, ellipsoid, violet, almost black, c. 10 by 6 mm in Malaya, 10-13 by 6-8 mm in Borneo. Seed 1 in each cell, straight with straight embryo.
A shrub or small tree. It can grow 20 m tall. Young branches have a brown hairy covering. The leaves are narrowly oval and 2-7 cm long by 1-3 cm wide. The fruit are fleshy and brown. They are oval and 7-10 mm long by 6 mm wide.