Large climber to 30 m. Branches mostly glabrous, very rarely puberulent; lenticellate. Leaves: petiole 0.6-4 cm long; blade elliptic, ovate, oblong or obovate, 3.3-29.5 by 1.4-13.2 cm, 1.6-5.2 times as long as wide, apex shortly acuminate to acute, base cuneate to rounded, papery to coriaceous, shiny above and beneath, mostly glabrous, very rarely puberulent on midrib beneath, 6-20 pairs of secondary veins at 50-80°, curving towards but not reaching margin, tertiary venation mostly obscure, sometimes faint and then perpendicular to the secondary veins. Inflorescence axillary, very rarely terminal; axis usually shorter than the subtending petiole, very rarely longer, to 3 cm long; 3-25 flowers per inflorescence; axes mostly glabrous, rarely minutely and sparsely puberulent; pedicel 0-5.3 cm long. Sepals oblong or ovate, 1.5-4 mm long, lobes 0.8-3.3 by 0.6-1.9 mm, 1.1-2.5 times as long as wide, apex rounded to acute, glabrous, ciliate. Corolla white or yellow, rarely tinged with red; tube cylindrical, 2.5-8 by 1.2-1.4 mm, 1.5-4.6 times as long as calyx, 0.6-1.2 times as long as lobes, outside glabrous, inside puberulent; lobes 4-10 by 0.9-1.5 mm, 2.9-10 times as long as wide, oblong, apex rounded, ciliate or not. Stamens inserted at 1.5-2.7 mm from corolla base which is 0.31-0.51 of tube length; filaments 0.4-0.7 mm long; anthers 0.8-1.2 by 0.2-0.5 mm. Ovary 0.3-1.1 mm long; style 0.4-1.1 mm long, not impressed on ovary; style head 0.2-0.5 mm long, apex 0.3-0.9 mm long. Fruit spherical, pear-shaped, oblong or ellipsoid, 2.6-12 by 1.7-7 cm, green, yellow or orange. Seeds 1.3-1.8 by 0.7-1.3 by 0.7-1.1 cm.
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A large climbing shrub. It grows 30 m long. The shoots are woody and have hooked leafless branches that attach to other plants. The leaf stalks are 1-4 cm long and the leaves are 3-30 cm long by 2-13 cm wide. The flowers are in the axils of the leaves. There are 3-25 flowers in a group. The fruit are round to pear shaped and 3-12 cm long by 2-7 cm wide. They are green, yellow or orange. The seeds are 13-18 mm long by 7-13 mm wide.
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