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 353441) with original publication details: Repert. Spec. Nov. Regni Veg. 33: 177 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:140733-2.
This name was in version 1 of The Plant List, record kew-353441, and has not been changed.