Noun: Onopordum acanthium
- 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