This name is a synonym of Rehmannia glutinosa (Gaertn.) DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29208882) with original publication details: Bot. Mag. (Tokyo) 32: 141 1918.
This name was in version 1 of The Plant List, record tro-29208882.