Descriptions : Climber Herbaceous climber; slender, pubescent. Leaves ovate in outline, glabrous or hairy on
the midrib and veins, 3-5 by 3-5 cm; apex acute or mucronulate; base cordate ; margin entire or
undulate, sometimes 3-lobed; nerves 7-9 pairs. Petioles ,2-7 cm long. Inflorescence in cymose type.
Flowers; peduncles mostly glabrous,0.8-9 cm long; bracts ovate orbicular, 1-2 cm long; pedicels
glabrous, tuberculate, 2-4 cm long. Sepals; broadly obovate, apex broadly , mucronulate, covered
with short white hairs, 4-5 by 2-3 mm. Corolla; campanulate, bright yellow, 0.5-1.2 cm long, 1.0
cm in diameter, glabrous; midpetaline band distinctly 5-nerved; corolla lobes emarginate.
Stamens; exserted, base of filaments covered with hairs. Pistil; superior ovary, conical, glabrous.
Fruit capsular, globose, 4-angled, wrinkled; persistent calyx reflex. Seeds with hairy .
