This name is a synonym of Dieffenbachia humilis Poepp..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 61793) with original publication details: Bonplandia (Hannover) 7: 30 1859.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:86914-1.
This name was in version 1 of The Plant List, record kew-61793, and has not been changed.