Our Lady's mild thistle


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Noun1.Our Lady's mild thistle - tall Old World biennial thistle with large clasping white-blotched leaves and purple flower headsOur Lady's mild thistle - tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
genus Silybum, Silybum - small genus of east African herbs
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
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