This name is a synonym of Magnolia liliifera (L.) Baill..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 117490) with original publication details: Gard. Bull. Singapore 31: 129 1978.
This name was in version 1 of The Plant List, record kew-117490, and has not been changed.