Cinchona[botanicalname:persoonia falcata]'s a genus of about 25 species in the family Rubiaceae, native to tropical South America. They're large shrubs or small trees growing to 5-15 metres tall with evergreen foliage. The leaves are opposite, rounded to lanceolate, 10-40 cm long. The flowers are white, pink or red, produced in terminal panicles. The fruit's a small capsule containing numerous seeds. The name of the genus's due to Carolus "Carl" Linnaeus, who named the tree in 1742 after a Coun… (More on Cinchona)