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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❳ | ||
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sweet sultan, blessed thistle, Cnicus benedictus | annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers ❲Cnicus benedictus❳ |