An annual, slender herb, stems twining or prostrate, 1—2 m long, glabrous or patently hairy, older parts lignescent. Leaves ovate, orbicular, to almost kidney-shaped, 2—10 cm x 2—9 cm, base cordate, apex attenuate, acuminate or mucronulate, margins entire or slightly undulate, petiole up to 9 cm long. Flowers in a 1—few-flowered cyme, peduncle 1—14 cm long, slender; pedicel 1—2 cm long, clavate and reflexed in fruit, sepals subequal, 3—4 mm long, ovate, often reflexed in fruit, corolla funnel-shaped, 2—2.5 cm long, white or pale yellow with darker midpetaline bands, centre dark purple, filaments unequal, hairy at the base, ovary glabrous. Capsule broadly ovoid, 7—8 mm long, mucronate, straw-coloured. Seeds 4, 4—4.5 mm long, black, finely grey-puberulent.

PROSEA (Plant Resources of South-East Asia) Foundation

A paste of the leaves, together with those of Argyreia mollis Chois. and alcohol, is spread on open sores and pustules, to ripen them. The leaves are used crushed or dried and powdered for aphthae.