This name is a synonym of Plectranthus rotundifolius (Poir.) Spreng..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 453975) with original publication details: Explor. Bot. Afrique Occ. Franç. 1: 520 1920.
This name was in version 1 of The Plant List, record kew-453975.