Centaurea Nigra

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Centaurea Nigra

Description Centaurea Nigra, commonly known as black knapweed, is a herbaceous perennial plant that belongs to the Asteraceae family. It is native to Europe and Asia, but it has been naturalized in North America. The plant can grow up to 3 feet tall and has a spread of up to 2 feet. It produces a cluster of purple or pink…