A large twiner, 2—5 m long, stems terete, older ones striate, glabrous or patently white hirsute. Leaves orbicular in outline, 5—18 cm x 5—16 cm, base cordate, palmately lobed, lobes 5—7, broadly triangular to lanceolate, apex acuminate to obtuse, margin coarsely dentate to crenate, sparsely to densely hairy, petiole 2—15 cm long. Flowers 1—3(—5) together, peduncle 1—15 cm long, bracts tiny; flowerbuds narrowly ovoid, acute, pedicel 8—20 mm long, clavate in fruit, sepals oblong to ovate-oblong, with glandular pellucid dots, 12—20 mm long, in fruit 20—25 mm long, thick, subleathery, whitish inside, corolla funnel-shaped, 4—6 cm long, lobes obtuse, midpetaline bands distinctly 5-veined, bright yellow, paler towards the base, anthers spirally twisted. Capsule subglobose, 12 mm high, papery, straw-coloured. Seeds 6—7 mm long, dull black, glabrous.

Stomachic (root)

PROSEA (Plant Resources of South-East Asia) Foundation

An infusion of the plant is drunk for high fever. An infusion of the stem is used internally and externally for malaria and varioles. The plant is used for strangury and urethral discharges.