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Cinchona Calisaya

The yellow bark of Bolivia. This is one of the so-called Peruvian Bark trees. The discovery of the medicinal value of this bark is a matter of fable and conjecture. The name cinchona is derived from t...

Economic Plants In The Collection Of The U. S. Department Of Agriculture November 11, 2026 1 min read 2,943 views

The yellow bark of Bolivia. This is one of the

so-called Peruvian Bark trees. The discovery of the medicinal

value of this bark is a matter of fable and conjecture. The name

cinchona is derived from that of the wife of a viceroy of Peru,

who is said to have taken the drug from South America to Europe in

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