⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2676801, with some changes.
This name is a synonym of Persicaria bistorta (L.) Samp..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rep. Inst. Sci. Res. Manchoukuo 2: 290 1938.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:693207-1.