Tree 8-20 m. Twigs pale grey-brown, 1.5-4 mm diameter, with grey hairs 0.1 mm or less, early glabrescent, bark finely irregularly striate, slightly longitudinally cracking, not flaking, lenticels absent. Leaves membranous to thinly chartaceous, elliptic(-oblong), 8-20 by 3.5-8 cm, base cuneate, apex acute-acuminate; upper surface dark olivaceous to dull green, glabrous, lower surface olivaceous to dull pale green, glabrous; midrib above slender, flat; nerves 7-12 pairs, above flat or but little raised, lines of interarching distinct or not; venation lax, generally indistinct on both surfaces; petiole 10-18 by 1.5-2 mm; leaf bud 6-10 by 0.6-1 mm, with rather sparse greyish hairs 0.1 mm or less. Inflorescences slender and lax, 5-15 by 1.5—8(—10) cm, few-flowered, peduncle 0.5-2.5 cm, glabrous or glabrescent, hairs sparse, greyish or pale brown, less than 0.1 mm, early caducous, bracts not seen. Flowers (male) in lax umbel-like clusters of 2-6 flowers, 5-20 mm spaced along the main branches of the inflorescence, the buds in one cluster usually in different stages of development; perianth outside with sparse hairs less than 0.1 mm, soon glabrescent, lobes inside towards the apex with pale hairs 0.2-0.4 mm long in between the anthers. Male flowers: pedicel slender, 4-6 mm long; buds broadly ellipsoid or broadly ovoid, 1.8-2 by 1.5-1.6 mm, ± 3-(or 4-)angular, apex rounded to subacute, base (broadly) rounded, cleft c. 5/6, lobes 3 or 4, widely spreading or ± recurved, 0.2 mm thick; synandrium globose or depressed globose, 0.2-0.3 by 0.3-0.4 mm, anthers 3 or 4, androphore slender, 0.8-1 by 0.2 mm. Female flowers not seen. Fruits 1-4 in little-branched panicles 12-25 cm long, ellipsoid-obovoid to ellipsoid-oblong, (4.5-)5-7 by 2.5-3.5 cm, apex rounded, base subattenuate or with an up to 7 mm long narrowed part, glabrous, drying bright to dark brown, finely granulate; pericarp ± woody, 5-8 mm thick; fruiting pedicel 25-30 mm; aril laciniate to 1/4-1/3; seeds ellipsoid-oblong, 4 cm long, apex subacute, testa elongately purple-brown variegated.
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