holy thistle

Từ điển WordNet v3.1 - WordNet Dictionary

noun

tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads;
naturalized in California and South America
• Syn:
milk thistle, lady's thistle, Our Lady's mild thistle, blessed thistle, Silybum marianum
• Hypernyms:
herb, herbaceous plant
• Member Holonyms:
Silybum, genus Silybum