This name is a synonym of Centaurea aristata Hoffmanns. & Link.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 88177869-8490-4158-8163-4F177C9D57EC) 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:174569-1.
This name was in version 1 of The Plant List, record gcc-42699.