This name is a synonym of Centaurea paui Loscos ex Willk..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record ECA92866-A457-4309-AEC7-D36872228D82) with original publication details: 202 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876819-1.
This name was in version 1 of The Plant List, record gcc-67007, and has not been changed.