This name is a synonym of Polygonum senticosum (Meisn.) Franch. & Sav..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50122385) with original publication details: Fl. Saishu & Kwan Isls. 41 1914.
This name was in version 1 of The Plant List, record tro-50122385, and has not been changed.