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cotton thistle

DEFINITIONS OF: cotton thistle

1

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

Synonyms:
Onopordon acanthium, Onopordum acanthium, Scotch thistle, woolly thistle
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
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