. "Cinchona pubescens, also known as Red cinchona and quina ((Spanish) Cascarilla, cinchona; (Portuguese) Quina-do-Amazonas, quineira), is native to Central and South America. It is known as a medicinal plant for its bark's high quinine content- and has similar uses to Cinchona officinalis in the production of quinine, most famously used for treatment of malaria."@en . . . . . . . . . .