8. Bistorta macrophylla (D. Don) Sojak in Perslia. 46: 152. 1974; Hara in Fl. E. Himal. 3: 30. 1975; in Hara et al. Enum. Fl. Pl. Nepal 3: 173. 1982.
Polygonum macrophyllum D. Don, Prodr. Fl. Nep. 70. 1825.
Stem simple arising from a woody root stock, radical leaves long-petioled, linear or linear oblong, acute or obtuse, crenulate, spikes solitary, erect, stout, cylindric or capitate, densely flowered, flowers brilliantly crimson coloured, drooping.
Type: Hab. in Gosaingsthan Nepalensium, Wallich.
Hook. f., Fl. Brit. India 5: 32. 1885 reported from Scinde (Sind) to Sikkim. However, this seems to be an error as there are no high mountains in Sind. This taxon is present from Garhwal eastward.