This name is a synonym of Plectranthus lanuginosus (Hochst. ex Benth.) Agnew.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 46099) with original publication details: Fl. Trop. Afr. 5: 432 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:446163-1.
This name was in version 1 of The Plant List, record kew-46099.