woolly thistle

Noun (2)

1. biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North AmericaSynonyms: cotton thistleScotch thistleOnopordum acanthiumOnopordon acanthiumType of thistleMember of Onopordum, genus Onopordum
2. thistle of western North America having white woolly leavesSynonyms: Cirsium flodmaniiType of plume thistle, plumed thistleKinds European woolly thistle, Cirsium eriophorum