Twining shurb, juice milky, branches glabrous or pubescent. Leaves 5-10.5 cm long, ovate, glabrous or puberulous specially on the nerves, a few glands at the base of the midrib above, base cordate, tip acuminate. Petiole 1.2-3.8 cm long. Flowers in umbellate cymes, arising singly at nodes. Peduncle c. 6.5 cm long. Pedicels 1.3 cm long, pubescent. Bract c. 3.5 cm long, linear, caducous. Calyx lobes c. 5 mm long, hairy outside, alternating with small solitary glands. Corolla pale yellow, c. 1.8 cm long, salver-shaped, tube swollen at the base, lobes about twice as long as the tube, linear-oblong, glabrous, twisted in bud. Corona in 1 series, of erect membranous processes arising from the base and adnate to the staminal column. Filaments united, anthers with long membranous, pointed appendages. Pollinia solitary in each locule. Stigma large, umbonate. Follicles solitary, 3.8-10 x 1.8 cm, straight, smooth, tapering to a point. Seed c. 1 cm long, flat, pale-brown, margin conspicuous, coma c. 2.5 cm long.

Fl. Per.: July-August.

Type: Described from Java.

Distribution: Pakistan (Punjab), Kashmir, India (Punjab, Uttar Pradesh, Behar, Central and S. India); Burma (vide Hook. f., l.c.).