Shrub or small tree, up to c. 8 m by 10 cm. Branchlets ferruginous-tomentose when young, glabrescent. Petioles ½-1¼ cm. Leaves elliptic or elliptic-ovate to lanceolate, 7.5-18 by 3.5-5.5 cm, herbaceous to thin-coriaceous, glabrous above (sometimes the midrib and the bases of the nerves excepted), more or less densely ferruginous-pubescent beneath; base rounded, peltate or not; apex acuminate; nerves 8-11 (-14) pairs, faintly curved, distinctly looped and joined. Inflorescences axillary, glomerulous, 1/2-1 cm, few-flowered, densely pilose. Flowers unisexual (dioecious), 4(-5)-merous. Sepals narrowly deltoid to linear, 2-2.5 mm long, inside subglabrous. Petals elliptic, blunt, c. 4 by 1.5 mm, outside pilose, inside in the upper half densely tomentose. Stamens in the basal half pilose, in ♂ flowers 3.5 mm long, the tube ¾ mm, in female flowers 1-2 mm, the tube 0.5 mm; the staminodes glabrous, not rarely absent. Pistil in ♂ flowers moderately reduced to fully absent. Infructescences with a few fruits only. Fruits shortly stipitate (0.25-0.75), about 90° geniculate, the fertile part blunt-triangular, c. 1.5 by 1 cm, smooth. Seed with a minute cupular sarcotesta.
Rain-forests and peat swamp forests, up to c. 900 m. Fl. May-Jan., fr. Aug., Nov.
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