This name is a synonym of Centaurea cuneifolia Sibth. & Sm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 21B9006A-21E6-41D4-950F-7CF5B6AA596E) with original publication details: 226 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:174631-1.
This name was in version 1 of The Plant List, record gcc-87302.