This name is a synonym of Magnolia laevifolia (Y.W.Law & Y.F.Wu) Noot..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 344353) with original publication details: Novon 16: 133 2006.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60442753-2.
This name was in version 1 of The Plant List, record kew-344353, and has not been changed.