noun · shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemumsilver-lacesilver laceTanacetum ptarmiciflorumChrysanthemum ptarmiciflorum
noun · stiff much-branched perennial of the Mediterranean region having very white woolly stems and leavesSenecio cinerariaCineraria maritima
noun · a plant having leaves and stems covered with down that resembles dustCentaurea cinerariaCentaurea gymnocarpa
noun · herb with greyish leaves found along the east coast of North America; used as an ornamental plantbeach wormwoodold womanArtemisia stelleriana
noun · an old cottage garden plant of southeastern Europe widely cultivated for its attractive white woolly foliage and showy crimson flowersmullein pinkrose campiongardener's delightLychnis coronaria