Erythroxylum coca - Images. Coca Image Vault - Images of three species of Erythroxylum. Erythroxylum areolatum - False Cocaine - Detailed drawing and botanical information for this shrub native to the Caribbean, southern Mexico, and Central America. Erythroxylum areolatum - Description of this plant with photographs of leaves, shoots and fruit. Erythroxylum havanensis - Description and photograph of this species endemic to Cuba. Erythroxylum Catuaba: Catuaba - Description and several photographs of this tree, with information on its herbal properties, uses in tribal and herbal medicine, the chemicals it contains, its biological activities and clinical research. Erythroxylum coca - Several photographs of this bush. Erythroxylum coca: Bolivian Coca - Information from Botanical.com, a modern herbal, on this poisonous plant, its description, constituents, medicinal action and uses.