Thalictrum chelidonii DC., Prodr. 1: 11. 1824; Hook. f. & Thomson in Fl. Brit. India 1: 11. 1872, p. p.

Herbs, perennial, much branched; stems 0.5 - 2 m high. Leaves 2-pinnate, 8 - 30 cm long; leaflets ovate or suborbicular, coarsely crenate or lobed, 1 - 4 cm long, pale beneath. Flowers in racemes or panicles, ca 2.5 cm long, deflexed in fruit. Sepals ovate, 8 - 15 x 5 - 10 mm, pink, lilac or purple. Stamens many; anthers shortly mucronate. Achenes numerous, obliquely obovate, 5 - 6 x 3 - 4 mm, compressed, membranous, with 3 branched veins on each side, glabrous or minutely puberulous; beak 1 - 4 mm long.

Fl. & Fr. July - Sept.

Distrib. India: Himalayas, 2400 - 3600 m. Jammu & Kashmir, Himachal Pradesh, Uttar Pradesh and Sikkim.

Bhutan, Nepal and China (Tibet).