This name is a synonym of Plectranthus hadiensis (Forssk.) Schweinf. ex Sprenger.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 46160) with original publication details: Kew Bull. 32: 560 1978.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:446221-1.
This name was in version 1 of The Plant List, record kew-46160.