2. Tylophora tenerrima Wight, Contrib. Bot. Ind. 150. 1834. Hook. f., Fl. Brit. Ind. 4:44. 1883; Parker, For. Fl. Punj. ed. 3.344. 1956; Duthie, Fl. Upp. Gang. Plain reprint ed. 2:62. 1973.
A very slender twining perennial, much branched, glabrous or pubescent. Leaves 2.5-10 cm x 2.5-12 mm, linear or narrowly lanceolate, obtuse, acute or acuminate, base rounded, glabrous on both the sides with hairs on the nerves, petiole 2-5 mm long, minutely hairy. Cyme 2-4 flowered, peduncle longer or shorter than the leaves. Pedicel 4-13 mm, glabrous. Bracts c. 1-1.5 mm long, almost glabrous. Calyx 12-13 mm long, lobes ovate-lanceolate, hispid. Corolla purple, 8-9 mm in diameter, lobes linear-oblong, puberulous within, coronal scales longer than the staminal tube, tip acute, incurved. Pollen masses horizontal. Follicle 8-8.5 cm x 3.5 mm, tapering towards the tip, glabrous, striated.
Fl. Per.: June to October.
Syntypes: ‘Ad Purpuhna, in Nepala, Wallich; In montibus Himalaiah, alt. hexa¬pod. Royle.
Distribution: Pakistan (Hazara, Rawalpindi), Kashmir, India (Simla Kumaon), Nepal and Sikkim.