Quick definitions from WordNet (dusty miller)
▸ noun: herb with grayish leaves found along the east coast of North America; used as an ornamental plant
▸ noun: a plant having leaves and stems covered with down that resembles dust
▸ noun: stiff much-branched perennial of the Mediterranean region having very white woolly stems and leaves; sometimes placed in genus Cineraria
▸ noun: shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum
▸ noun: an old cottage garden plant of southeastern Europe widely cultivated for its attractive white woolly foliage and showy crimson flowers
▸ noun: herb with grayish leaves found along the east coast of North America; used as an ornamental plant
▸ noun: a plant having leaves and stems covered with down that resembles dust
▸ noun: stiff much-branched perennial of the Mediterranean region having very white woolly stems and leaves; sometimes placed in genus Cineraria
▸ noun: shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum
▸ noun: an old cottage garden plant of southeastern Europe widely cultivated for its attractive white woolly foliage and showy crimson flowers