This name is a synonym of Plectranthus autranii (Briq.) Erhardt, Götz & Seybold.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 192865) with original publication details: Kew Bull. 25: 258 1971.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:459158-1.
This name was in version 1 of The Plant List, record kew-192865.