Noun: woolly thistle
- Biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America
"woolly thistles dominated the abandoned field";
- cotton thistle, Scotch thistle, Onopordum acanthium, Onopordon acanthium
- Thistle of western North America having white woolly leaves
"Woolly thistle stood out against the brown hillside";
- Cirsium flodmanii
Derived forms: woolly thistles
Type of: plume thistle, plumed thistle, thistle
Part of: genus Onopordon, genus Onopordum, Onopordon, Onopordum
Encyclopedia: Woolly thistle