This name is a synonym of Magnolia zenii W.C.Cheng.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 117556) with original publication details: Bull. Bot. Res., Harbin 4: 190 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:904637-1.
This name was in version 1 of The Plant List, record kew-117556, and has not been changed.