Photographs: Burren, Co.Clare
Large pink-purple flowers, enlarged outer florets. Bracts green, apex blackish.
Deeply pinnate leaves, lanceolate segments. Grooved, branched, erect stems.
Calcareous grassland, roadsides, scrubland. Also on un-stable sea-cliffs.
Frequent but local, mainly S, E, and Central Ireland.
Similar: Rayed form of Common Knapweed, C. nigra var. radiata.
Bracts blackish-brown. Acidic ground.