This name is a synonym of Magnolia cavaleriei (Finet & Gagnep.) Figlar.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 252948) with original publication details: Yunnan Forest. Sci. Technol. 2001(2): 33 2001.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:20012317-1.
This name was in version 1 of The Plant List, record kew-252948.