Centaurea erycina (Asteraceae), a new species from NW-Sicily.

Centaurea saccensis (Asteraceae), a new species from SW-Sicily.

Centaurea saccensis, a new species endemic to Sicily is described and illustrated here. It belongs to the Centaurea cineraria group and is confined to the Tardara Gorges, near Sciacca town (SW-Sicily). The differences with the related taxa are discussed.