Saturday, March 27, 2010

Centaurea nigra


Black knapweed(english)
Aciano negro(spanish)
Black knapweed is native to most parts of europa and is introduced to other parts of the world where it is considered invasive.Black knapweed belongs to the family of sunflowers,it flowers from spring to summer,and grow preferably on limestone soils in full sun.Black knapweed has medicinal properties and parts are edible.The flowers atract insects like butterflys and bees,and the seeds are eaten by birds.From Galicia

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