This name is a synonym of Pilea salwinensis (Hand.-Mazz.) C.J. Chen.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50040488) with original publication details: Symb. Sin. 7(1): 134 1929.
This name was in version 1 of The Plant List, record tro-50040488, and has not been changed.