Climber. Branchlets weakly angled, sparsely lenticellate, glabrous or sparsely and minutely puberulent, sometimes glabrescent. Leaves in whorls of 4 or 5; petiole 0.2-0.9 cm long, glabrous; blade coriaceous, narrowly to broadly elliptic, obovate or oblong, 2-16 by 1.5-4.5 cm, 1.3-4 times as long as wide, apex long acuminate or caudate, not mucronate, base rounded to cuneate, margin flat to strongly undulate, glabrous beneath and above, not punctate beneath, secondary veins 48-70 pairs, 75-85° from midrib. Inflorescence axillary or terminal, large lax panicles frequently branched, glabrous to puberulent, 4.3-16.5 cm long; peduncle 2.2-6.5 cm by 1-2 mm; bracts caducous or persistent, deltoid; bracteoles two on pedicel or absent; flowers > 100 in whole panicle; pedicels 1-6 mm long. Sepals ovate, 1.2-1.7 by 0.7-1.1 mm, 1.5-2 times as long as wide, apex rounded to acute, ciliate or not ciliate, glabrous or sparsely puberulent. Corolla white or with pink tube and white lobes; bud head 1.2-1.8 mm long which is 0.32-0.4 of bud length, ellipsoid or narrowly ovate, apex acute; tube cylindrical or slightly inflated, 2.7-4 by 0.8-1.1 mm, 1.6-2.5 times as long as sepals, 1.9-3.6 times as long as lobes, glabrous outside, pubescent around and below anthers and in throat with a glabrous gap between inside; lobes oblong or ovate, 1-1.4 by 0.8 mm, 1.25-1.75 times as long as wide, apex rounded or obtuse, base auriculate, glabrous outside, pubescent at base of lobes inside, not ciliate. Stamens inserted at 1.3-1.4 mm from corolla base which is 0.32-0.38 of tube length; filaments 0.3-0.5 mm long; anther apex 1.3-1.9 mm from corolla mouth, anthers 0.8-1 by 0.2-0.35 mm. Ovaries 0.6-0.7 mm high, pubescent around base only or in tufts between the carpels; style 0.1 mm long; style head 0.4-0.6 mm long. Fruit orange, maturing black, stalks 1.6-3.7 mm long, with 1-7 articles in a string, 1.5-3.6 mm between articles, glabrous, articles dry smooth or with thin flesh, 5.5-9.9 by 4.3-6.5 mm, ellipsoid or cylindrical, symmetrical, apex rounded or obtuse. Seeds 5.4-8.2 by 3.9-4.8 by 3.4-4.6 mm.
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