This name is a synonym of Plectranthus madagascariensis (Pers.) Benth..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 17603452) with original publication details: Syn. Pl. 2: 135 1807.
This name was in version 1 of The Plant List, record tro-17603452.