Tree 2-30 m. Twigs faintly flattened or (2-or) 3-angular, 2-5 mm diameter, at first with rusty hairs 0.3-0.5 mm long, glabrescent; bark striate, thinly flaking or not. Leaves chartaceous or thinly coriaceous, oblong to oblanceolate, 12—35 by 2.5—9(—12) cm, base cuneate to subattenuate, or rounded, apex acute(-acuminate); greenish (dark) brown above; lower surface greyish, largely glabrescent, sometimes with indumentum remaining on midrib and nerves; dots absent; midrib slightly raised above; nerves 12-35(-40) pairs, raised; venation distinct above; petiole tomentose or late glabrescent, 8-25 by 2-5 mm. Inflorescences: sessile, brachyblast simple or ± warted, to 8 mm diameter, in male in umbels of (l-)5-20 flowers, female up to 10-flowered; flowers with persistent rusty hairs 0.2-0.7 mm long, perianth 3-lobed, red inside. Male flowers: pedicel 5-13 mm long, bracteole subpersistent or caducous, 0.5-1 mm, ± median; buds depressed globose, often obtusely angular in cross section, 4-6(-7) mm diameter, cleft c. 4/5, lobes 0.5 mm thick, at base 1 mm thick; staminal disc circular, convex or mammillate, sometimes ± flat (especially in Philippines), 2-2.8 mm diameter; anthers 10-20, subsessile, horizontal, 0.5 mm long, not touching, opening ± to beneath; androphore 0.7-1 mm long, ± clasped by the thickened base of the perianth. Female flowers: pedicel 1.5-2.5 mm long, bracteole about median, caducous; buds obovoid-oblong, 5-6 mm long, cleft c. 2/3, lobes 0.5-1 mm thick; ovary ovoid, 2 mm long; stigma ± sessile, 2-lobed, and each lobe again with 3-6 laciniations. Fruits 1-3 per infructescence, ellipsoid or oblong, 1.5-4 by 1-2 cm, with rusty hairs 0.5-1 mm long; dry pericarp 3 mm thick; fruiting pedicel 1-6 mm long.
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