Climber. Branchlets weakly angled, sparsely lenticellate, glabrous. Leaves opposite or in whorls of 3; petiole 0.3-0.4 cm long, glabrous; blade subcoriaceous or papery, elliptic or broadly elliptic, 4.7-10.2 by 1.7-3.8 cm, 2.3-3.7 times as long as wide, apex caudate, not mucronate, base obtuse to cuneate, margin strongly undulate, glabrous beneath and above, not punctate beneath, secondary veins 50-58 pairs, 80° from midrib. Inflorescence terminal, with several clear internodes and unbranched side branches, delicate, sparsely puberulent all over, c. 2 cm long; peduncle c. 1 cm by 0.7-0.8 mm; bracts caducous or persistent; bracteoles one or two on pedicel; pedicels 4-5 mm long. Sepals ovate, c. 2.1 by 1 mm, 2.1 times as long as wide, apex obtuse or acute, ciliate, glabrous or sparsely puberulent. Corolla bud head c. 1.6 mm long which is 0.38 of bud length, narrowly ovate, apex acuminate; tube c. 2.6 mm long, glabrous outside; lobes glabrous outside, not ciliate (mature flowers not known). Stamens inserted at c. 1.4 mm from corolla base which is 0.35 of tube length; filaments c. 0.3 mm long; anther apex c. 1.4 mm from corolla mouth, anthers c. 1.1 by 0.3 mm. Ovaries c. 0.8 mm high, densely pubescent all over or pubescent in tufts between the carpels; style c. 0.1 mm long; style head c. 0.6 mm long. Fruit yellowish green, stalks 1.5 mm long, with 1 article, glabrous, articles dry smooth, 11-11.5 by 8.8-9.2 mm, ellipsoid or globose, symmetrical, apex rounded. Seeds elliptic, 7.8 by 5.6 by 5.4 mm.
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