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Milk thistle

Silybum is a genus of two species of thistles, in the daisy family. The plants are native to the Mediterranean regions of Europe, North Africa and the Middle East. The name "milk thistle" derives from a feature of the leaves, which are prominently banded with splashes of white. Historically, these milky bands were said to be Mother Mary's milk, and this is the origin of another common name, St. Mary's thistle. The most widespread species is Silybum marianu...

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