Metrosideros (Metrosideros) is a genus of flowering plants. It is directly related to the myrtle family (Myrtaceae). In this genus there are 3 subgenera and more than 50 different species. Under natural conditions, these plants can be found in New Zealand, the Philippines, Australia, the Hawaiian Islands and Central America, as well as in other subtropical and tropical zones. For example, one species can be seen in South Africa.