Chris Moody   cc-by-nc-2.0

Centaurea nigra (Common Knapweed) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They have simple, broad leaves. Flowers are visited by Anthophora bimaculata, Bombus hortorum, Lejogaster metallina, and Red tailed bumblebee. Individuals can grow to 61 cm.

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EOL has data for 23 attributes, including:

Known occurrences, collected specimens and observations of Common Knapweed. View this species on GBIF