Large woody climber. Branchlets glabrous, except in transition to terminal inflorescence. Leaves: petiole 9-25 mm long; blade elliptic to obovate or spathulate, 3.5-15.3 by (1.1-)1.6-8 cm, 1.5-3.3(-3.9) times as long as wide, apex retuse, rounded or obtuse, more rarely apiculate or shortly acuminate, base cuneate or decurrent onto petiole, glabrous, 16-28 pairs of secondary veins, these visible but not prominent to completely obscure beneath, mostly with weaker interstitial veins, sometimes completely obscure, anastomosing into an intramarginal vein. Inflorescence axillary and usually also terminal, 2-14 cm long, longer or shorter than the subtending leaves, ultimately mostly umbelliform by contraction of terminal nodes; peduncle 0.3-6 cm, puberulent; pedicels 2.2-4 mm, glabrous to sparsely puberulent, bracteoles absent; flowers weakly fragrant. Calyx 1-1.4 mm long, connate at base, lobes 0.7-1 by 0.5-1 mm, 0.8-1.1 times as long as wide, apex rounded, glabrous, ciliate. Corolla yellow; tube 3.5-3.6 mm long, c. 0.4 times as long as lobes, glabrous outside, densely pubescent below stamens inside, slightly constricted in throat; lobes c. 4 by 1.9 mm, 2.1 times as long as wide. Stamens inserted at 1.9-2.1 mm from corolla base which is 0.5-0.6 of tube length; filaments 0.3-0.5 mm long; anthers 0.8-0.9 by 0.4 mm. Ovary 0.9-1.4 mm high; style and style head 0.5-1 mm long. Fruit globose, subglobose or ellipsoid, ripening yellow or orange, 3.2-5 by 2.1-4.5 cm, base and apex rounded. Seeds 6.9-8.5 by 6-6.5 by 4.2-5 mm.
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