This name is a synonym of Malvaviscus arboreus Cav..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Nov. Gen. Sp. 5: 286 1822.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:562234-1.
This name was in version 1 of The Plant List, record kew-2503867.