cotton thistle

Noun
  1. Biennial Eurasian white hairy thistle having pale purple flowers;
    Naturalized in North America (synset 112019357)
    is a type of: thistle - any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves
    belongs to: genus onopordon, genus onopordum, onopordon, onopordum - a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers
    same as: onopordon acanthium, onopordum acanthium, scotch thistle, woolly thistle

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