herb with greyish leaves found along the east coast of North America; used as an ornamental plant | any plant of the genus Centaurea |
shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum | any of various plants of the genus Centaurium |
stiff much-branched perennial of the Mediterranean region having very white woolly stems and leaves | |
a plant having leaves and stems covered with down that resembles dust | |
an old cottage garden plant of southeastern Europe widely cultivated for its attractive white woolly foliage and showy crimson flowers | |