This name is a synonym of Adenium boehmianum Schinz.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 3031) with original publication details: Repert. Pl. Succ. 29: 3 1978 publ. 1980.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:874263-1.
This name was in version 1 of The Plant List, record kew-3031, and has not been changed.