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 158606) with original publication details: Bothalia 11: 399 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:884094-1.
This name was in version 1 of The Plant List, record kew-158606.