blessed_thistle has definitions from the field of botany
1
[ noun ] (botany) tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America

Related terms

herb Silybum

2
[ noun ] (botany) annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers

Related terms

thistle Cnicus

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