This name is a synonym of Plectranthus rotundifolius (Poir.) Spreng..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 17603473) with original publication details: Compt. Rend. Hebd. Séances Acad. Sci. 130: 1268 1901.
This name was in version 1 of The Plant List, record tro-17603473.