This name is a synonym of Centaurea triniifolia Heuff..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5363DC32-D602-4FDB-B436-90D0F03C560F) with original publication details: 459 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190120-1.
This name was in version 1 of The Plant List, record gcc-96103, and has not been changed.