Oleander (nerium oleander) is a member of the Apocynaceae family. This evergreen plant mainly grows in the Mediterranean region but also can be found in parts of Asia and Europe. Oleander contains the cardiac glycosides nerioside, digitoxigenin, oleandrin, and oleandroside. Oleander often appears in homeopathic remedies for a variety of ailments. It is also used for a variety of functional disorders.