This name is a synonym of Malvastrum aurantiacum (Scheele) Walp..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19602551) with original publication details: Linnaea 21(4): 469 1848.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:561552-1.
This name was in version 1 of The Plant List, record tro-19602551, and has not been changed.