Scandent liana to many metres long. Leaf blade elliptic, up to 17 cm long and to 12 cm wide; tip acute to long-pointed; base cordate; upper surface glossy green, scabrid; lower surface pale green, velutinous. Flowers 60-70 mm long, 80-90 mm wide; stalks 15-20 mm long; corolla white. Fruit 30-45 cm long. [C. macrophylla (Roxb.) G.Don]

Malesia

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.