Caltha scaposa Hook. f. & Thomson, Fl. Ind. 40. 1855 & in Fl. Brit. India 1: 21. 1872.

Erect herbs, 7 - 15 cm high; rootstock thick, with branched main roots. Leaves all radical; petioles up to 10 cm long with 2 - 3 cm long, narrow, membranous sheath at base; lamina broadly ovate-cordate, obtuse, entire or dentate, 1.5 - 3.5 x 1 - 3 cm. Scapes leafless or with one small leaf; flowers usually solitary or rarely 2, ca 2.5 across. Sepals 5 - 9, generally 6, yellow, obovate, obtuse, 10 - 15 x 6 - 8 mm. Stamens 20 - 40; filaments flattened. Carpels 10 - 20, unequal, linear-oblong, prolonging into style; stigma oblique, curved. Follicles with 1.5 - 3 mm long stalks, oblong, flattened, shortly beaked, ca 10 x 3 mm; seeds 3 - 6 , ovoid, black.

Fl. & Fr. June-Aug.

Distrib. Damp meadows and marshy streamsides, 3800 4600 m. Uttar Pradesh, Sikkim and Arunachal Pradesh.

Nepal, Bhutan and China (Tibet, Yunnan).