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 61705) with original publication details: Bol. Soc. Venez. Ci. Nat. 25: 30 1963.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:80122-2.
This name was in version 1 of The Plant List, record kew-61705, and has not been changed.