Great knapweed (Centaurea centaurium)

At a glance

Lifecycle

Perennial (hardy)

Same genus

• Cornflower (Centaurea cyanus)
• Brown knapweed (Centaurea jacea)
• Rough star-thistle (Centaurea aspera)
• Pasture knapweed (Centaurea bovina)
• Meadow knapweed (Centaurea debeauxii)
• Iranian knapweed (Centaurea depressa)
• North African knapweed (Centaurea diluta)
• Iberian knapweed (Centaurea iberica)