Scandent liana to many metres long. Leaf blade elliptic to obovate, 10-28 cm long, 5-15 cm wide, dark green above, pale green below; tip acute, long-pointed or apiculate; base cuneate. Flowers 80-140 mm long, 40-65 mm wide. Corolla white to pale yellow; tube 75-130 mm long, lobes ovate to suborbicular,17.5-40 mm long.

Bangladesh, Bhutan, Burma, China, Nepal, Thailand, Vietnam

Source: Forster, P. (2002). Apocynaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.