Irish wildflowers sitemap
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Common Knapweed / Hardhead Flowers red-purple on erect stems. Involucral bracts blackish-brown. Lower leaves oblong, sometimes pinnate, stalked. Upper stalkless, undivided. Slightly hairy plant. Variable. Rayed form with enlarged outer florets. Height to 1m. Abundant on roadsides, grassland, wasteland. Similar: Greater Knapweed, C. scabiosa 
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Photographs above: Ballingeary, Co.Cork. July 2006
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