This name is a synonym of Magnolia foveolata (Merr. ex Dandy) Figlar.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 252902) with original publication details: Proc. Int. Symp. Magnoliac. 21 2000.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:20011679-1.
This name was in version 1 of The Plant List, record kew-252902, and has not been changed.