This name is a synonym of Magnolia guangdongensis (Y.H.Yan, Q.W.Zeng & F.W.Xing) Noot..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 335417) with original publication details: Ann. Bot. Fenn. 41: 491 2004.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77063820-1.
This name was in version 1 of The Plant List, record kew-335417.