This name is a synonym of Plectranthus arabicus E.A.Bruce.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 137137) with original publication details: Fl. Aegypt.-Arab. cxv 1775.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:453162-1.
This name was in version 1 of The Plant List, record kew-137137, and has not been changed.