Nerium oleander is a shrub or small tree in the dogbane family Apocynaceae, toxic in all its parts. It is the only species currently classified in the genus Nerium. It is most commonly known as nerium or oleander, from its superficial resemblance to the unrelated olive Olea.
Nerium indicum is evergreen shrub or small tree that grows up to 5 m. in height. The leaves are long, simple, whorled, linear-lance late, 9-14 cm in length with horizontal nerves. Leaves and flowers are used to treat malaria and as traditional medicine it induces the termination of embryo. The root powder is an external remedy for hemorrhoids and ulcers around genitals.