This name is a synonym of Chionanthus bumelioides subsp. cubensis (P.Wilson) P.A.González.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 367384) with original publication details: Ann. Missouri Bot. Gard. 63: 357 1976 publ. 1977.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:56612-2.
This name was in version 1 of The Plant List, record kew-367384, and has not been changed.