This name is a synonym of Centaurea boissieri DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 0480DC93-A0E3-4C64-A3B4-8C5FB3CDF956) with original publication details: 2 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:962695-1.
This name was in version 1 of The Plant List, record gcc-94173.