This name is a synonym of Plectranthus madagascariensis (Pers.) Benth..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 136817) with original publication details: Prodr. 12: 43, 68 1848.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:452871-1.
This name was in version 1 of The Plant List, record kew-136817.