Woody climber. Branchlets rufous pubescent to glabrous; branches lenticellate. Leaves: petiole 1-2 cm long; blade elliptic, oblong or obovate, 5.2-22.5 by 1.7-9.3 cm, 2.3-3.4 times as long as wide, apex acuminate, base cuneate, papery or subcoriaceous, glabrous, 17-30 pairs of secondary veins at 70-80°, fairly straight, reaching margin, tertiary venation mostly obscure or, more rarely, visible beneath and then perpendicular to the secondary veins and meeting between them. Inflorescence axillary, axis shorter or as long as subtending petiole, to 4.2 cm long; 8-18 flowers per inflorescence; axes rufous pubescent; pedicels 0.8-3 mm long. Sepals ovate, 1.2-1.8 mm long, lobes 1-1.6 by 0.8-1.6 mm, 1-1.9 times as long as wide, apex rounded to acute, rufous pubescent or, rarely, glabrous, ciliate. Corolla white; tube 7.5-15 by 1-1.2 mm, outside glabrous, inside pubescent in upper part of tube; lobes 8-18 mm long, oblong, glabrous. Stamens inserted at 1.3-2.7 mm from corolla base which is 0.15-0.25 of tube length; filaments 0.5-1 mm long; anthers 1-1.5 by 0.3-0.6 mm. Ovary 0.5-1 mm long; style 0.1 mm long, often impressed on ovary; style head 0.5-0.8 mm long, wide cylindrical to globular, apex 0.6-1.2 mm long. Fruit pear-shaped, 6-15 by 4.5-11.5 cm. Seeds 2.2-2.5 by 0.9-1.4 by 0.9-1.4 cm.
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A woody climber. The branches have rusty hairs. The leaf stalks are 1-2 cm long. The leaves are oblong and 5-22 cm long by 2-9 cm wide. The base is wedge shaped and they taper to the tip. The flowers are in the axils of leaves. There are 8-18 flowers in a group/ The fruit are pear shaped and 6-15 cm long by 5-11 cm wide. The seeds are 2 cm long by 1 cm wide.