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dusty miller, silver-lace, silver lace, Tanacetum ptarmiciflorum, Chrysanthemum ptarmiciflorum | shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum ❲Chrysanthemum ptarmiciflorum, Tanacetum ptarmiciflorum❳ |