Tree 6 m or shrub; branchlets slender, nigrescent, entirely glabrous. Leaves oblong to lanceolate-oblong, 0.5-1 cm obtusely subfalcate-acuminate at the apex, cuneate at the base, not or slightly inequilateral, thinly chartaceous, dark-brown and rather dull when dry, not or obscurely pellucid-punctate, not or very laxly pellucid-striate, entire or shallowly crenulate, glabrous, sometimes very laxly pilose at the midrib underneath, 5-10 by (2-)2½-3(-3½) cm; midrib flat above, prominent beneath, nerves 4-5 pairs curved-ascending, the lowest pair from the leaf-base, little elevated beneath, reticulations rather dense and finely prominent on both faces; petiole blackish, glabrous, c. 5 mm. Uppermost glomerules little conspicuous, inferior ones thick, subglobose, up to 4 mm diam., composed of many short axes, many-flowered. Bracts minute, 0.5 mm diam., pubescent. Pedicels slender, nearly glabrous, 4-5 mm. Calyx membranous, pale green, 2 mm, ± densely appressed-pilose in-and outside. Stamens 8 or 10; filaments terete, pubescent, alternately 0.9 and 0.6 mm; anthers subglobose, 0.3 mm diam. Staminodes clavate, densely subferrugineous-villous, 0.4 mm. Ovary narrow-ovoid, 1.5 mm, gradually attenuate into a thick style, pubescent in the inferior half, glabrous upwards.