Irish Wildflowers - Common Knapweed, radiate form

Photographs: Ballingeary, Co.Cork

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

This form of Common Knapweed has enlarged outer florets.
Involucral bracts blackish-brown. Lower leaves not or slightly pinnate.
Only found in a few local populations.

Can be confused with Greater Knapweed, C. scabiosa but the leaves of Greater Knapweed are deeply pinnate. Involucral bracts are green, apex blackish, toothed.

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