Climber. Branchlets weakly or strongly angled, densely lenticellate or not, sparsely or densely and minutely puberulent. Leaves in whorls of 4 or 5; petiole 0.1-0.3 cm long, pubescent; blade coriaceous, elliptic, 0.7-4.7 by 0.3-1.3 cm, 1.8-6.8 times as long as wide, apex rounded to shortly acuminate, acumen obtuse, not mucronate, folded back or flat, base cuneate, margin weakly or strongly inrolled, weakly undulate, glabrous or sparsely puberulent all over beneath, puberulent only on midrib above, not punctate beneath, secondary veins 8-22 pairs, 45-55° from midrib. Inflorescence of solitary axillary flowers, sparsely to densely pubescent, 1.3-1.5 cm long; bracteoles caducous or persistent, deltoid, 1.3-1.8 by 1.2-1.8 mm, several along pedicel; pedicels 1-3 mm long. Sepals not fleshy, ovate, 2.3-2.8 by 1-1.7 mm, 1.5-2.3 times as long as wide, apex obtuse, ciliate, sparsely or densely puberulent. Corolla white with orange tube; bud head c. 2.3 mm long which is 0.23 of bud length, narrowly ovate, apex acute; tube cylindrical, 6-8 by 1.9-2.2 mm, 2.1-3.7 times as long as sepals, 2.2-3.3 times as long as lobes, glabrous outside, sparsely pubescent around stamens and more densely in a band beneath them inside; lobes ovate, 2.4-3.4 by 1.6-2.4 mm, 1-1.7 times as long as wide, apex acuminate, base auriculate, glabrous outside and inside, not ciliate. Stamens inserted at c. 7.1 mm from corolla base which is 0.78 of tube length; filaments 0.6-0.7 mm long; anther apex 0.6-0.9 mm from corolla mouth, anthers 1.2-1.3 by 0.5-0.6 mm. Ovaries 0.7-1 mm high, densely pubescent all over; style 5.5-5.6 mm long; style head 0.6-0.7 mm long. Fruit yellow or purple, stalks 1-3.7 mm long, with 1-3 articles in each string, glabrous, articles with thin flesh, 5.2-8.4 by 4.8-7.7 mm, globose or cylindrical, symmetrical, apex rounded or apiculate. Seeds 4.7-5.3 by 3.9-4.1 by 3.7-4.1 mm.
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