This name is a synonym of Plectranthus laxiflorus Benth..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 45978) with original publication details: Smithsonian Misc. Collect. 68(5): 14 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:446039-1.
This name was in version 1 of The Plant List, record kew-45978.