This name is a synonym of Leonotis nepetifolia var. africana (P.Beauv.) J.K.Morton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 152108) with original publication details: Fl. Oware 2: 82 1819.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:453779-1.
This name was in version 1 of The Plant List, record kew-152108.