This name is a synonym of Rehmannia piasezkii Maxim..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29208890) with original publication details: Icon. Pl. Ind. Orient. 16: , pl. 1589 1887.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60444776-2.
This name was in version 1 of The Plant List, record tro-29208890.