This name is a synonym of Chionanthus retusus Lindl. & Paxton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 367371) with original publication details: Bull. Acad. Imp. Sci. Saint-Pétersbourg III, 20: 430 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:608718-1.
This name was in version 1 of The Plant List, record kew-367371, and has not been changed.