Tree to 7 m tall; trunk to 12 cm dbh. Leaves: petiole 2-5 mm long; blade coriaceous, elliptic, 7.5-13.5 by 2.5-4.5 cm, 2.5-3.4 times as long as wide, apex acuminate with blunt apex, base cuneate, glabrous, 6-8 pairs of secondary veins, tertiary venation obscure; domatia present. Inflorescence lax, 9-9.5 cm long, 1-or 2-flowered; peduncle 4-5 mm long; pedicels 20-25 mm long. Sepals 3-5 by 2-5 mm, apex acute to rounded, glabrous. Corolla white; tube 34-37 mm long, lower part 27-28 mm long, upper part 7-9 mm long, glabrous outside and inside; lobes obovate, 25-33 by 12-23 mm, 1.3-2 times as long as wide, glabrous inside and outside except sparsely pubescent at top and base of lobes. Stamens exserted, inserted at 29-30 mm from corolla base; anthers 6-7 by 1.5-2 mm. Disk urceolate c. 8 mm high, 5-lobed. Ovaries c. 7 mm high, pubescent; style c. 20 mm long; style head c. 3 mm long. Only immature fruits known.
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