noun
biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America
• Syn: ↑woolly thistle, ↑Scotch thistle, ↑Onopordum acanthium, ↑Onopordon acanthium
• Hypernyms: ↑thistle
• Member Holonyms: ↑Onopordum, ↑genus Onopordum, ↑Onopordon, ↑genus Onopordon
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noun : a biennial white-tomentose prickly Eurasian herb (Onopordon acanthium) with pale purple flowers that is naturalized in No. America — called also Scotch thistle
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cotton thistle noun
A strong thistle (Onopordum acanthium) covered with a cottony down
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Main Entry: ↑cotton
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cotton thistle,
a tall, stout thistle with white, cottony down on stems and leaves, found in the south of England and naturalized in the United States in New England.
Useful english dictionary. 2012.