This name is a synonym of Centaurea margaritacea Ten..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 734FB20D-3D84-4AE7-A204-CD038D9A6B68) with original publication details: Comp. Fl. Ital.: 387 (1882) 387 1882.
This name was in version 1 of The Plant List, record gcc-66219.