⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2587542, with some changes.
This name is a synonym of Persicaria bistorta .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: J. Fac. Agric. Hokkaido Imp. Univ. 26(4): 508 1934.