Knapweed
From BiblePortal Wikipedia
Knapweed [1]
(n.) The black centaury (Centaurea nigra); - so called from the knoblike heads of flowers. Called also bullweed.
Knapweed [1]
(n.) The black centaury (Centaurea nigra); - so called from the knoblike heads of flowers. Called also bullweed.