Woody climber to 20 m. Branchlets glabrous; lenticellate. Leaves: petiole 0.9-1.7 cm long; blade elliptic or ovate, 5.5-13.2 by 1.3-4.4 cm, 2.3-3.8 times as long as wide, apex acuminate, base obtuse to cuneate, coriaceous, shiny above, dull beneath, glabrous, 7-18 pairs of secondary veins at 55-75°, reaching margin, tertiary venation almost perpendicular to midrib, oblique to secondary veins, several in each space. Inflorescence axillary or terminal; axis longer than the subtending petiole, to 3.5 cm long; 8-15 flowers per inflorescence; axes glabrous; pedicel 3.5-5 mm long. Sepals ovate, 1.2 mm long, lobes 0.7 by 0.8 mm, 0.87 times as long as wide, apex rounded, glabrous, ciliate. Corolla white; tube inflated, 2.2-3 mm long, glabrous outside and inside; lobes 2.7 mm long, ovate, glabrous. Stamen insertion at 1.5-1.8 mm from corolla base which is 0.57-0.68 of tube length; filaments 0.5-0.6 mm long; anthers c. 0.9 by 0.5 mm. Ovary 0.8-1.2 mm long; style 0.6-0.9 mm long, not impressed on ovary; style head 0.2 mm long, inconspicuous, apex 0.2 mm long. Fruit spherical, 3-5.5 cm diam., green or white. Seeds 2 by 1.3 by 1.1 cm.
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