
''Centaurea cyanus'' is an annual flowering plant in the family Asteraceae native to Europe. In the past, it often grew as a weed in cornfields , hence its name. It is now endangered in its native habitat by agricultural intensification, particularly by over-use of herbicides.
Similar species: Asterales
By Bridget Charity Rendall
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Uploaded Oct 13, 2012. Captured Aug 1, 2012 15:31 in Barton Ln, Exeter, Devon EX2, UK.