This name is a synonym of Centaurea macroptilon Borbás.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record EE9A39E5-F7E1-4623-8668-FC2642125529).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Centaurea macroptilon in version 1 of The Plant List.