This name is a synonym of Dieffenbachia duidae (Steyerm.) G.S.Bunting.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 193116) with original publication details: Fieldiana, Bot. 28: 101 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:285401-2.
This name was in version 1 of The Plant List, record kew-193116, and has not been changed.