Nerium oleander /ˈnɪəriəm ˈoʊliː.ændər/ 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. It is so widely cultivated that no precise region of origin has been identified, though southwest Asia has been suggested. The ancient city of Volubilis
(Wikipedia)