Climber. Branchlets weakly angled, sparsely lenticellate, glabrous or sparsely and minutely puberulent. Leaves in whorls of 3 or 4; petiole 0.3-0.8 cm long, glabrous; blade coriaceous or subcoriaceous, elliptic or obovate, 1.4-7.4 by 0.5-2.8 cm, 1.8-6.4 times as long as wide, apex emarginate to shortly acuminate with an obtuse acumen or acuminate but notched at the apex, base cuneate or decurrent onto petiole, margin weakly undulate, glabrous beneath and above, secondary veins 16-24 pairs, 80-85° from midrib. Inflorescence axillary, with several clear internodes and unbranched side branches, delicate, sparsely puberulent all over, 1.3-1.9 cm long; peduncle 0.5-1 cm by 0.7-0.9 mm; bracts caducous or persistent, deltoid, 0.9-1 by 0.6-0.7 mm; bracteoles absent; flowers 6-8; pedicels 0.6-2 mm long. Sepals not fleshy, ovate, 1-1.2 by 0.6-0.8 mm, 1.4-1.8 times as long as wide, apex acute or acuminate, ciliate, sparsely puberulent on centre line or all over. Corolla bud head c. 1.9 mm long which is 0.63 of bud length, narrowly ovate, apex acuminate; tube slightly inflated, 1.1-2.2 by 0.9 mm, 1.1-2 times as long as sepals, 0.6-1.1 times as long as lobes, glabrous outside, sparsely pubescent around stamens and more densely in a band beneath them inside; lobes linear, apex acuminate, 1.8-2.2 by 0.6 mm, 3-3.7 times as long as wide, glabrous outside and inside, not ciliate. Stamens inserted at 0.6-1.6 mm from corolla base which is 0.4-0.55 of tube length; filaments 0.3 mm long; anther apex 0.2-0.6 mm from corolla mouth, anthers 0.7-0.8 by 0.25-0.3 mm. Ovaries 0.5 mm high, densely pubescent all over; style 1.2 mm long; style head 0.4 mm long. Fruit black or purple, stalks 1.7-3.2 mm long, with 1 or 2 articles in each string, glabrous or sparsely puberulent at ends, articles with thin flesh, 5.8-7.4 by 4.8-7 mm, globose, symmetrical, rounded at apex. Seeds ovoid, 4.7-6.6 by 4.2-5 by 3.8-4.5 mm.
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