Iroko (Yoruba: Ìrókò) 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.

The genus name of Milicia is in honour of Milici (19th and 20th centuries), an administrator in Portuguese East Africa (in modern-day Mozambique) who supported the work of the author of the genus, Thomas Robertson Sim. It was first described and published in Forest Fl. Port. E. Afr. on page 97 in 1909.

The tree is known to the Yoruba as ìrókò, logo or loko and is believed to have healing properties. Iroko is known to the Igbo people as ọjị wood. It is one of the woods sometimes referred to as African teak, although it is unrelated to the teak family. The wood colour is initially yellow but darkens to a richer copper brown over time.

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