Noun Definition
woolly thistle
1.Definition: biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America
Related Noun(s):cotton thistle, onopordon acanthium, onopordum acanthium, scotch thistle
Category: Plants2.Definition: thistle of western North America having white woolly leaves
Related Noun(s):cirsium flodmanii
Category: Plants