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.
EOL has data for 23 attributes, including: