This name is a synonym of Plectranthus cuneatus (Baker f.) Ryding.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 45896) with original publication details: J. Bot. 1899: 64 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:445956-1.
This name was in version 1 of The Plant List, record kew-45896, and has not been changed.