Iroko (also known as ọ́jị̀ in Igbo language, 'uloho' in the Urhobo language of Southern Nigeria, and as odum in the Kwa languages of Ghana) is a large hardwood tree from the west coast of tropical Africa that can live up to 500 years. This is the common name for the genus Milicia, in which there are two recognized species, which are closely related: Milicia excelsa and Milicia regia.