| blessed thistle 
 
 1. 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, holy thistle, Silybum marianum
 • Hypernyms:
 herb, herbaceous plant
 • Member Holonyms:
 Silybum, genus Silybum
 2. annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
 • Syn:
 sweet sultan, Cnicus benedictus
 • Hypernyms:
 thistle
 • Member Holonyms:
 Cnicus, genus Cnicus
 
 
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