Branchlets densely brown puberulent. Leaves coriaceous or subcoriaceous; petiole 0.8-3 cm long; blade elliptic to obovate, 3.5-19.5 by 1.6-8.5 cm, 1.4-2.6 times as long as wide, apex acuminate, rarely to obtuse, base weakly cordate to obtuse, margins often slightly inrolled, 8-16 pairs of secondary veins, strongly prominent beneath, densely to sparsely puberulent all over beneath, sparsely so to glabrous above. Inflorescence axillary and terminal forming panicles; densely brown puberulent, 5.2-19 cm long; pedicels 1.6-4 mm long. Sepals narrow linear, 2.1-4 by 0.5-1 mm, (2.3-)3.5-6 times as long as wide, apex acuminate to obtuse, puberulent. Corolla greenish white; corolla lobes valvate in bud; bud ovoid, open corolla urceolate; tube 1.2-2.3 mm long, 1.2-2.5 times as long as lobes; lobes triangular, 0.7-1.1 by 0.4-0.6 mm; pubescent outside, sparsely pubescent to glabrous inside. Stamens inserted at 0.2-0.6 mm from corolla base which is 0.l-0.3 of tube length; filament 0.4-0.7 mm long; anthers l-1.6 by 0.4-0.5 mm, 3-4 times as long as wide. Disk weakly 5-crenate or 5-dentate; 0.2-0.4 mm long. Ovaries 0.5-0.7 mm long; style and style head 0.9-1.5 mm long. Fruit linear to fusiform, divergent, thick walled, sparsely puberulent, 8.5-26 by 0.5-1.5 cm. Seeds: grain 10-20 by 2.6-3.6 mm; coma 2.9-6.2 cm long.
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A very large climber. It is evergreen. The fruit is the size of an orange. The seeds are kidney shaped. The pulp is brown.