⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50132215, and has not been changed.
This name is a synonym of Polygonum patulum .
The record derives from Tropicos which reports it as a synonym (record 50132215
) with original publication details: Fl. Pl. Herb. Chin. Bor.-Orient. 2: 107, f. 27 107 1959.