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Large liane. Young stems glabrous or pubescent, bark of older twigs smooth, grey, with dot-like lenticels. Leaves thinly coriaceous, glabrous, drying ± concolorous dull brownish green; petioles 2–8 mm. long. Leaf-lamina c. 4·5–7·5 x 1·5–3 cm., elliptic or slightly obovate, apex acute or shortly acuminate, with or without an ill-defined apiculus, base attenuate; margin slightly revolute; venation characteristic: main lateral nerves numerous (8–11-paired), venation inconspicuous on upper leaf surface, prominent and conspicuous below. Inflorescences several- to many-flowered, lax, with peduncle 1–7 mm. and pedicels 4–10 mm. long; corolla creamy-white tinged with maroon on the outside. Calyx 1·5–3 mm. long, glabrous or pubescent, ciliate; sepal scales simple or paired. Corolla tube 4·5–6·5 mm. long; corolla lobes 9–13 x 3·5–5·5 mm., 2–3·5 times as long as broad, ± oblanceolate, glabrous on outer surface, densely pubescent on inner surface except where overlapped by next petal. Stamens inserted at 2–2·5 mm. from the base of the corolla tube (at ± 1/2 of its height); anthers c. 3 mm. long, pubescent on dorsal surface. Ovary c. 1 mm. long. Mature follicles and seeds unknown.