1. A plant having leaves and stems covered with dust-like down; SYN. Centaurea cineraria, Centaurea gymnocarpa.
2. Herb with grayish leaves found along the east coast of North America; used as an ornamental plant; SYN. beach wormwood, old woman, Artemisia stelleriana.
3. Shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dust-like down; sometimes placed in genus Chrysanthemum; SYN. Tanacetum ptarmiciflorum, Chrysanthemum ptarmiciflorum.
4. Stiff much-branched perennial of the Mediterranean region having very white woolly stems and leaves; sometimes placed in genus Cineraria; SYN. Senecio cineraria, Cineraria maritima.