Irish wildflowers BSBI map

Common Knapweed, Centaurea nigra var radiata
Photographs: Co. Cork

Common Knapweed (radiate form)
Centaurea nigra var. radiata
Mínscoth
Family: Asteraceae

Flowering time: July-September. Perennial. Native.

The radiate form of Common Knapweed which has enlarged outer florets. The involucral bracts are blackish-brown and the lower leaves not or only slightly pinnate.

Scattered distribution, only found in a few local populations.

Similar: Greater Knapweed, Centaurea scabiosa but the leaves are deeply pinnate and involucral bracts are green, the apex blackish

Common Knapweed, Centaurea nigra var radiata

Common Knapweed, Centaurea nigra var radiata
Common Knapweed, Centaurea nigra var radiata

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