Cinchona officinalis Quinine BarkLatin name: Cinchona officinalis Also know as: Quinine Bark, Red Cinchona, Cinchona Bark, Jesuits Bark, Loxa Bark, Countess Bark, Peruvian Bark, Quina Roja Origin: Peru Supplier ID: AM 4618U Cinchona officinalis Quinine Bark 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 centimetres (3. 9