Cinchona

Peru offers a branch of cinchona to Science (from a 17th-century engraving): Cinchona, the source of Peruvian bark, is an early remedy against malaria.

A 19th-century illustration of Cinchona calisaya

Cinchona is a genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. They are native to the tropical Andean forests of western South America. A few species are reportedly naturalized in Central America, Jamaica, French Polynesia, Sulawesi, Saint Helena in the South Atlantic, and São Tome & Principe off the coast of tropical Africa. A few species are used as medicinal plants, known as sources for quinine and other compounds.

单词	Cinchona Tree
释义	Cinchona Tree 原声例句 BBC Ideas 精选（双语） Tonic water has its origins in South America, where the bark of the cinchona tree was used to treat malaria. 汤力水起源于南美洲，金鸡纳树的树皮曾被用来治疗疟疾。雅思阅读真题 The drug is derived from the bark of the cinchona tree, native to South America, and by 1856 demand for the drug was surpassing the available supply. 这种药物来源于南美洲原产的金鸡纳树的树皮，到 1856 年，对该药物的需求已经超过了现有供应。英语百科 Cinchona Cinchona is a genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. They are native to the tropical Andean forests of western South America. A few species are reportedly naturalized in Central America, Jamaica, French Polynesia, Sulawesi, Saint Helena in the South Atlantic, and São Tome & Principe off the coast of tropical Africa. A few species are used as medicinal plants, known as sources for quinine and other compounds.
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Cinchona Tree

Cinchona