Irish wildflowers sitemap
Photographs: Burren, Co.Clare 
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Greater Knapweed 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. 
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