Knautia

Knautia–commonly called blue buttons–is a perennial that bears bluish-lilac flowerheads with soft bristly bracts. Knautia closely resembles its cousin Scabiosa and is sometimes called field Scabiosa. Knautia is clump-forming. It has erect hairless stems; dull green slightly lobed leaves to 10 inches (25cm) long grow from the base of the plant; upper leaves are deeply…