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 61737) with original publication details: Aroideana 9: 62 1986.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275842-2.
This name was in version 1 of The Plant List, record kew-61737, and has not been changed.