Climber. Branchlets terete or weakly angled, sparsely lenticellate or not, sparsely and minutely puberulent. Leaves in whorls of 3-5; petiole 0.2-0.4 cm long, pubescent; blade coriaceous or papery, narrowly elliptic or narrowly ovate, 0.6-5.1 by 0.3-1 cm, 2.9-6 times as long as wide, apex acute or acuminate, acumen obtuse, base cuneate, margin weakly undulate, glabrous, sparsely puberulent only on midrib to puberulent all over beneath, sparsely puberulent, glabrous or puberulent only on midrib above, secondary veins 17-31 pairs, 70° from midrib. Inflorescence axillary or terminal, a simple unbranched pleiochasium, delicate, sparsely to densely puberulent, 1.2-1.7 cm long; peduncle 0.55-1 cm by 0.5-0.8 mm; bracts caducous or persistent, deltoid, c. 1.4 by 0.8 mm; bracteoles one on pedicel or absent; flowers 3-5; pedicels 1.2-3.4 mm long. Sepals ovate, 0.7-1.4 by 0.5 mm, 1.4-2.8 times as long as wide, apex acute, ciliate, sparsely puberulent all over or only on centre line. Corolla white; bud head 1.2-1.3 mm long which is 0.35-0.49 of bud length, ellipsoid or ovate, apex acute; tube slightly inflated, 1.8-3.8 by 0.8-1.1 mm, 2.7-4.3 times as long as sepals, 1.6-2.5 times as long as lobes, glabrous or sparsely puberulent around top of tube outside, sparsely pubescent around stamens and more densely in a band beneath them inside; lobes orbicular, 1.1-1.2 by 0.9 mm, 1.2-1.3 times as long as wide, apex obtuse, base auriculate, sparsely puberulent outside, sparsely pubescent at the tips and base of lobes inside, not ciliate or ciliate at tips only. Stamens inserted at c. 2.2 mm from corolla base which is 0.63 of tube length; filaments c. 0.5 mm long; anther apex c. 0.2 mm from corolla mouth, anthers c. 0.8 by 0.4 mm. Ovaries c. 0.6 mm high, densely pubescent all over; style c. 1.5 mm long; style head c. 0.5 mm long. Fruit stalks c. 2.8 mm long, with 1 article, sparsely puberulent all over, articles with thin flesh, 9-11.5 by 5.1-7.8 mm, ellipsoid, symmetrical, apex rounded, obtuse or apiculate. Seeds elliptic, c. 7.6 by 5 by 4.4 mm.
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