Tree to 15 m high; twigs stellate-puberulent. Leaves membranous to thinly chartaceous; petioles stellate-puberulent, 1-8 cm long; stipules 0.4-0.6 mm long, basally puberulent; blades elliptic to ovate, ca 5-15 cm long, 3-11 cm broad, early glabrate above, minutely stellate-pubescent beneath especially along the veins, with several (mostly 6-10) elliptical glandular spots near the base above, 3-veined at the base with 1-3 additional pairs of lateral veins, the veinlet reticulum prominulous beneath, the 3 major veins barbate in axils with minor laterals, the base rounded to subcordate, the margins shallowly and remotely serrulate with 6-10 glandular thickened ? incurved teeth on each side, the apex rather abruptly acuminate. Spikes stellate-puberulent; 3' spikes mostly compound, ca 5-14 cm long, mostly with 3-5 lateral axes; 9 spikes unbranched, 3-10 cm long. Staminate flowers subsessile, ca 1 mm broad in bud; calyx-lobes 2 or 3, acute, glabrous, less than 1 mm long; stamens 7 or 8, the anthers 0.5-0.6 mm long, blunt. Pistallate flowers subsessile; calyx-lobes 4, lanceolate, acute, ca 1-1.5 mm long, pubescent; ovary stellate-tomentulose, the styles stellate-pubescent, mostly 9-11 mm long. Capsules and seeds not seen.
Rainforests, along river banks and on alluvial plains, especially in secondary formations. When in dense primary forest it is usually found along forest edges and in glades.
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