An erect, unbranched or sparingly branched shrub, 30-125 cm tall, stems terete, lower internodes short, intermediate and higher ones gradually becoming longer. Leaves numerous, very variable, the lowest simple, ovate and undulate-dentate, median ones deeply pinnatifid or bipinnatifid, 8-15 cm long, pale glaucous-green, tinged with purple when young, petiolate, upper leaves much smaller, narrow, often almost entire. Inflorescence 10-30 cm long, glabrous; flowers with calyx variable in size, 4-10 mm long, segments erect or erecto-patent, ovate-lanceolate, acute, corolla salver-shaped, tube distinctly widened downwards, about 1.3 cm long, green at the base, yellowish upwards, lobes 4, widely patent, bright yellow, ovate or ovate-oblong, acute, about 1 cm long, anthers slightly exserted, carpels lanceolate, 5-6 mm long, glabrous, green, styles glabrous, 2-4 mm long. Fruit is usually a follicle.

PROSEA (Plant Resources of South-East Asia) Foundation

Used in the topical treatment of ulcers and to relieve headache (leaves or leaf juice).