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 and as an illegitimate name (record 117942) with original publication details: Revis. Gen. Pl. 2: 524 1891.
This name was in version 1 of The Plant List, record kew-117942.