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Noun: Onopordum acanthium
  1. Biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America
    - cotton thistle, woolly thistle, Scotch thistle, Onopordon acanthium

Type of: thistle

Part of: genus Onopordon, genus Onopordum, Onopordon, Onopordum

Encyclopedia: Onopordum acanthium