Tree 6-30 m. Twigs 1-2 mm diameter, glabrescent, hairs greyish, less than 0.1 mm; older twigs smooth with indistinct lenticels. Leaves (thinly) coriaceous, (ovate-)elliptic or oblong-lanceolate, 6-15 by 2-6 cm, base ± attenuate, apex acute-acuminate; upper surface olivaceous or brown, lower surface light brown, glabrescent, hairs sparse, greyish, less than 0.1 mm; not papillose; dots absent; midrib raised above; lateral nerves 8-14 per side, at 45-70° to the midrib, flat or sunken and indistinct at both surfaces, not really contrasting in colour, lines of interarching and venation faint on both surfaces; petioles 10-15 by 1.5-2 mm; leaf bud 8-12 by 1.5-2 mm, hairs less than 0.1 mm. Inflorescences between the leaves or below, largely of the Knema-type: a sessile sometimes up to 2.5 mm pedunculate, scar-covered brachyblast to 7 mm long, glabrescent; in male: with 2-6 (rarely more) flowers, buds somewhat variable in size; in female: with 1-3 buds about equal in size; flowers partly glabrescent, hairs scattered, 0.1 mm or less, and appearing glabrous. Male flowers: pedicel slender, (4-)5-8 mm, bracteole 0.5 mm or less, caducous, apical or up to 2 mm below; buds elliptic-oblong, 6(-6.5) by 2-2.2(-3) mm, apex broadly rounded, base rounded or attenuate, cleft c. 1/3, lobes 2 mm long, 0.2-0.3 mm thick. Androecium 5-6.5 mm; androphore 2-2.3 mm long, glabrous or hairs pale, less than 0.1 mm at the base; synandrium 2.2-3 by 0.7-1.5 mm, thecae 12-14, sterile apex 0.3-0.5 mm. Female flowers rather stout, pedicel 9-15 by 1 mm, bracteole scar 2-3 mm below the apex; buds ovoid-ellipsoid, 5-5.5 by 3 mm, cleft 1/4(-1/3), lobes 1.5-1.7 mm; ovary ovoid-oblong, including stigma 4-4.5 by 2 mm, hairs less than 0.1 mm, or partly glabrous. Fruits solitary or 2 or 3, ellipsoid-oblong, ± fusiform, 4-5.5 by (1.7-)2-2.5 cm, apex narrowly rounded or subacute, base narrowed into a pseudostalk up to 3 mm, glabrescent, hairs scurfy, 0.1 mm or less; pericarp 2-3 mm thick; seeds ellipsoid, 2-2.5 cm; fruiting pedicel ± stout, 10-15(-18) mm long, 2 mm thick, bracteole scar 2-5 mm below the apex.
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