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 61697) with original publication details: Gartenflora 1870(1): 672 1870.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:86838-1.
This name was in version 1 of The Plant List, record kew-61697, and has not been changed.