This name is a synonym of Plectranthus melleri Baker.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 46001) with original publication details: Bull. Agric. Congo Belge 25: 426 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:446064-1.
This name was in version 1 of The Plant List, record kew-46001.