This name is a synonym of Centaurea glomerata Vahl.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C438619B-8E43-4F40-8214-5BF9A945E6BB) with original publication details: 407 1826.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190231-1.
This name was in version 1 of The Plant List, record gcc-49623.