This name is a synonym of Chionanthus bumelioides var. lanceolatus (Knobl.) Alain.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 367438) with original publication details: Phytologia 41: 328 1979.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:56621-2.
This name was in version 1 of The Plant List, record kew-367438, and has not been changed.