A climber, woody at base and with long slender stem. Leaves are elliptical-oblong or ovate-oblong to narrowly lanceolate, 7-12.5 cm x (1-)3-5.5 cm, obtuse, sometimes slightly cuneate at base, minutely hairy beneath, with 1 pair of basal veins, 4-5 pairs of secondary veins and loosely transverse or reticulate tertiary veins. Flowers in a short racemose inflorescence, perianth 1-lipped, green with brown limb. Fruits are short cylindrical, about 2.2 cm long; seeds not winged.

PROSEA (Plant Resources of South-East Asia) Foundation

Used to treat stomach-ache and spasms, constipation and intermittent fever (decoction of the roots or twigs).