资料来源 : WordNet®

Tanacetum ptarmiciflorum
     n : shrubby perennial of the Canary Islands having white flowers
         and leaves and hairy stems covered with dustlike down;
         sometimes placed in genus Chrysanthemum [syn: {dusty
         miller}, {silver-lace}, {silver lace}, {Chrysanthemum
         ptarmiciflorum}]