This name is a synonym of Plectranthus equisetiformis (E.A.Bruce) Launert.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 45921) with original publication details: Bull. Misc. Inform. Kew 1935: 285 1935.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:445981-1.
This name was in version 1 of The Plant List, record kew-45921, and has not been changed.