Tree 3-15 m high. Branches lenticellate; branchlets glabrous. Leaves in whorls of 3 or 4; petiole 2-4.3 cm long, glabrous; blade coriaceous to subcoriaceous, elliptic to narrowly elliptic, 9.5-20.5 by 4.4-9.5 cm, 1.8-3.5 times as long as wide, apex acuminate, base cuneate to slightly decurrent, glabrous above and beneath; secondary veins 15-23 pairs, 0.4-1.4 cm spaced, straight to rather arcuate-ascending, forming an angle of 75-90° with the midrib, forming a submarginal vein. Inflorescence 6-16.5 cm long, usually in whorls of 3 or 4, rarely solitary, usually on the top of a short and robust (leafy) twig, more than 35-flowered, glabrous; peduncle 4.6-11.3 by 0.15-0.25 cm, glabrous; pedicels 0.2-0.5 cm long, glabrous. Sepals broadly ovate, 1.5-1.8 by 1.6-1.7 mm, 0.95-1.05 times as long as wide, apex rounded, glabrous. Corolla white, glabrous outside, villose in a belt from just around the mouth downwards for 1.5 mm; tube 2.6-2.7 mm long, 1.5-1.7 times as long as calyx, 1.6-1.7 times as long as lobes; lobes broadly ovate, 1.6 by 1.7 mm, 0.94 times as long as wide, apex obtuse. Stamens inserted at c. 2.4 mm from the base, 0.9 of the length of the corolla tube; filaments 0.4-0.6 mm long; anthers 10-17 by 3-4 mm, 3.3-4.25 times as long as wide. Disk cup-shaped, very short, 1-1.2 by 0.3-0.5 mm, 0.27-0.42 times as long as ovary, crenate. Pistil mostly glabrous; ovary of 2 carpels which are subglobose, 1.1-1.4 mm long; style filiform, 1.3-1.8 mm long; style head 0.8-1 mm long. Fruit black or purplish black when mature, obversely trapezoid, 8.8-11.2 by 9-14 mm, 0.8-1.1 times as long as wide, mericarps connate for 0.65-0.95 of their length, apices widely spreading, acute, distance between apices 6-13.5 mm, sometimes trapezoid, truncate or shallowly cleft at apex, glabrous, sometimes only 1 carpel developing. Seeds 1 in each endocarp, ovoid or narrowly ovoid, 5-7.2 by 1.5-2.5 mm, 2.5-3.5 times as long as wide, apex acute or obtuse, glabrous.
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