Cinchona officinalis many-flowered; hypanthium with short coarse hairs; reddish calyx, glabrous or nearly so, with triangular lobes; pink or red corolla, sericeous, the lobes ovate, acute, the corolla tube being about 1 cm. long. Fruit and oblong capsule, 1.5–2 cm. long, almost glabrous. English: quinine, red cinchona, cinchona bark, Jesuit’s bark, loxa bark, Jesuit’s powder, countess powder, Peruvian bark. Spanish: quina, cascarilla, cargua cargua, corteza coja. French: quinquina, écorce du Pérou. "Cinchona officinalis" is a medicinal plant, one of several "Cinchona" species used for the production of quinine, which is an anti-fever agent. It is especially useful in the prevention and treatment
Cinchona officinalis of malaria. Other alkaloids that are extracted from this tree include cinchonine, cinchonidine and quinidine. Cinchona officinalis Cinchona officinalis is a South American tree in the Rubiaceae family. It is native to wet montane forests in Colombia, Ecuador, Peru and Bolivia, between 1600–2700 meters above sea level. Cinchona officinalis is a shrub or tree with rugose bark and branchlets covered in minute hairs. Stipules lanceolate or oblong, acute or obtuse, glabrous. Leaves lanceolate to elliptic or ovate, usually about 10 cm. long and 3.5–4 cm. wide; acute, acuminate, or obtuse tip; base rounded to attenuate; coriaceous, glabrous above and often