woolly thistle

• n.
  • biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America

    同义词： cotton thistle Scotch thistle Onopordum acanthium Onopordon acanthium

  • thistle of western North America having white woolly leaves

    同义词： Cirsium flodmanii

以上来源于: WordNet