Large, glabrous liana, 20 m; twigs terete, smooth, lenticellate below the thicker nodes. Leaves elliptic, coriaceous, at base narrowed into petiole 1 cm, at apex short-acuminate, up to 15 by 7 cm, with parallel fibres visible on upper surface, grey-shining; nerves 6-8 pairs, arcuate-joining 1 cm from margin, prominent beneath, veins indistinctly reticulate. ♂ Unknown. Fruiting ♀ inflorescences often several at one node, 3-4 cm by 4-5 mm, collars dish-like, 6-8 mm ø. Fruit immersed into cushions of short hairs, ellipsoidal, obtuse, 5 by 3 cm, attenuated at base into a hollow pseudostipe 5-10 by 8 mm, opaque, finely punctulate, grey-green, inside with a sour smell. Outer involucre fleshy, 2 mm thick, fibrous at the inner surface, middle one coriaceous, longitudinally sulcate, inner one chartaceous. Seed (unripe) oblong, 30 by 8 mm.