A perennial, twining herb. foetid when bruised and with milky juice stems more or less hispid with short, spreading hair and minute prickles: leaves simple. opposite, thin, 5cm long and nearly as broad, deeply cordate at base with rounded lobes, acute, slightly. hairy on both sides, ciliate; flowers regular, bisexual on long, slender, pubescent pedicels, cymes at first corymbose, after racemose, peduncles coming off from.between bases of petioles, much longer than leaves, bracts linear and;cutc; sepals 5, anceolate, acute, slightly ciliate; petals 5. fused into a broadly funnel-shaped corolla, about 1.8cm in diameter, tube short, lobes ovate, contorted, acute, hairy above. c’liate, concave, spreading; column large. prominent, stamens with long connate blaments, corona shortly tubular, crenate and with 5, large, vertical, adnate processess. spurred at base and without subulatc points, prolonged over the stigma : pollen masses one in each eh,mahcr. pendulous, slightly compressed; ovary superior, of two ditinct carpes, stigma flat on lop; fru,t-folliclcs 5- 6.2cm long, reflexed, long-beaked, echinate with soft spines; seeds with long coma. (Sri Lanka)