Small to medium-sized tree up to 23 m. Old twigs dark brown when dry. Leaves elliptic-oblong, chartaceous to thinly coriaceous, glabrous on both surfaces, 7½-13½ by 2½-5½ cm, shortly acuminate, bluntly tipped (tip 4-10 mm long), base cuneate; longitudinal nerves 3, prominent and elevated beneath, slightly elevated above; petiole 1 cm. Inflorescences racemose, simple or rarely branched at the base, 1-8 cm long, slightly pubescent. Flowers unisexual, sparsely pubescent, glabrescent. Male flowers c. 1 mm pedicelled. Calyx lobes 4(-5), deltoid, acute, 2/3 mm long. Petals minute, glabrous, 1/6 mm long; stamens 1/3-1/2 mm, filaments fleshy, subulate; disk lobes 4, each at the base of a pistil rudiment and slightly embracing it. Pistil rudiments subulate, 0.5 mm, glabrous. ♀ Flowers sessile, 1 1/3 mm long. Calyx lobes and petals as in the male flowers. Calyx tube cylindric, more or less quadrangular, shortly pubescent outside. Sterile stamens 1/4-1/3 mm, filament flat. Disk lobes 4, each at the base of a style and embracing it. Styles 4, brownish scaly at the base, 0.5 mm. Fruits broadly ellipsoid, blunt at both ends, 6-9 by 4-4.5 cm, greenish to yellow then brownish with dull red stripes, with purple stripes when dry. Seeds ellipsoid, 5 by 2 cm.
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