This name is a synonym of Malva vidalii (Pau) Molero & J.M.Monts..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bol. Real Soc. Esp. Hist. Nat. 22: 58 1922.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:561276-1.
This name was in version 1 of The Plant List, record kew-2494153, and has not been changed.