A slender climbing shrub. Leaves chartaceous, glabrous, dull on both surfaces, ovate, 3-3.5 by 1½-2.5 cm; apex obtuse and mucronate; base rounded, sometimes shortly acute. Flowers solitary or sometimes 2, axillary, or terminal on the short branchlets in the inferior leaf-axils of the branch; peduncle c. 5 mm, provided with 2 small bracts; pedicels c. 1 mm. Flowers green. Floral tube slightly ellipsoid, 2-2.5 cm long, glabrous outside, sparsely pubescent inside. Calyx lobes oblanceolate, c. 10 mm long. Petaloid appendages 10, club-shaped, c. 6 mm long. Stamens c. 10 mm, usually exserted. Ovary c. 1 mm long, surrounded at the base by a very short disk; style long filiform, 3.5 cm; stigma capitate. Fruit unknown.