a caryophyllaceous plant, Cerastium tomentosum, of SE Europe and Asia, having white flowers and downy stems and leaves: cultivated as a rock plant
2.
a plant, Artemisia stelleriana, of NE Asia and E North America, having small yellow flower heads and downy stems and leaves: family Asteraceae (composites)
3.
any of various other downy plants, such as the rose campion
dusty miller in American English
any of various garden plants having foliage covered with white, woolly hairs