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CORNFLOWER Centaurea cyanus (Asteraceae) Height to 90cm. Creeping perennial with upright flowering stems that are winged below leaf stalks and swollen beneath flower heads. Grows in arable fields and on disturbed ground. FLOWERS in heads, 15-30mm across, with bluish outer florets and reddish purple inner florets (Jun-Aug). FRUITS are hairless. LEAVES are narrow; basal ones may be lobed. STATUS-Formerly a common arable ‘weed’ prior to the use of modern agricultural herbicides; now virtually extinct on farmland, seen mainly where seed is deliberately scattered.
- © PAUL STERRY/Nature Photographers
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