|
|
blessed thistle, milk thistle, lady's thistle, Our Lady's mild thistle, holy thistle, Silybum marianum | tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America ❲Silybum marianum❳ |