This name is a synonym of Liriodendron chinense (Hemsl.) Sarg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as a spelling variant (record 454314) with original publication details: Bot. Jahrb. Syst. 29: 322 1900.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Liriodendron tulipifera in version 1 of The Plant List.