Climber. Branchlets weakly or strongly angled, densely lenticellate or not, sparsely or densely and minutely puberulent. Leaves in whorls of 4 or 5; Inflorescence of solitary axillary flowers, sparsely to densely pubescent, 1.3-1.5 cm 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. Stamens inserted at c. 7.1 mm from corolla base which is 0.78 of tube length; Ovaries 0.7-1 mm high, densely pubescent all over; 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.
The flowers are solitary but often in all the leaf axils of a node so they appear as several clumped together.