Erect shrub or climber. Branchlets weakly or strongly angled, sparsely lenticellate or not, glabrous to densely and minutely puberulent, sometimes glabrescent. Leaves in whorls of 3 or 4; Inflorescence axillary, flowers solitary or a simple unbranched pleiochasium, sparsely to densely puberulent, 1-2 cm long; Sepals free, not fleshy, ovate, 1.2-1.3 by 1-1.4 mm, 0.9-1.2 times as long as wide, apex rounded or obtuse, ciliate, glabrous or sparsely puberulent. Stamens inserted at 3.1-3.7 mm from corolla base which is 0.6-0.66 of tube length; Ovaries 0.8-1.1 mm high, densely pubescent all over; Fruit green or yellowish green (probably immature), stalks 2.4-3.6 mm long, with 1 or 2 articles in each string, 0.5-1 mm between articles, glabrous or sparsely puberulent at ends, with thin flesh, 9.6-16.2 by 8-11.2 mm, ellipsoid or cylindrical, symmetrical, apex rounded or apiculate. Seeds elliptic, 8.2-13.4 by 7.5-8.7 by 6.6-8 mm.