Shrub or tree to 10 m tall, to 40 cm dbh. Bark pale brown, inner bark orange. Leaves opposite; petiole 5-25 mm long, glabrous, ocrea rather prominent; blade coriaceous, elliptic, 4.3-18 by 1.2-6.6 cm, 1.4-5.2 times as long as wide, apex short blunt acuminate, base cuneate or rather attenuate, glabrous above and beneath, 8-19 pairs of secondary veins, more or less straight, tertiary venation obscure. Inflorescence 5-22 cm long, glabrous; peduncle 1.4-12.5 cm long; pedicels 6-25 mm long; flowers robust, very fragrant. Sepals ovate to oblong, 3.1-5 by 2.3-4 mm, 1.1-2.2 times as long as wide, apex rounded, glabrous, not ciliate. Corolla white, 25-43 mm long in mature bud with a globose head which is c. 0.20-0.35 of bud length, apex rounded; tube 24-44 mm long, 7.5-13 times as long as calyx, 0.9-2 times as long as lobes; lobes 23-38 by 6-9 mm, 3-4.2 times as long as wide; glabrous inside and outside or puberulent at base of lobes inside. Stamens inserted in lower half of corolla tube; filaments 0.5-2.2 mm long; anthers 3.5-5 by 0.8-1.7 mm. Ovaries 2.7-4 mm long; style and style head 3-3.5 mm long. Fruit yellow or pale orange, ellipsoid, 4.2-7 by 0.8-2 by 0.8-2 cm, with prominent lateral ridges, apex acuminate.
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