This name is a synonym of Magnolia hodgsonii (Hook.f. & Thomson) H.Keng.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 201407) with original publication details: Fl. Ind. 1: 74 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:555153-1.
This name was in version 1 of The Plant List, record kew-201407, and has not been changed.