The Collaborative International Dictionary
Metrosideros \Met`ro*si*de"ros\, n. [NL., fr. Gr. ? heart of a tree + ? iron.] (Bot.) A myrtaceous genus of trees or shrubs, found in Australia and the South Sea Islands, and having very hard wood. Metrosideros vera is the true ironwood.
Wiktionary
n. (context botany English) Any of the genus (taxlink Metrosideros genus) of myrtaceous trees and shrubs, including the ironwood.
Wikipedia
Metrosideros is a genus of approximately 60 trees, shrubs, and vines mostly found in the Pacific region in the Myrtaceae family. Most of the tree forms are small, but some are exceptionally large, the New Zealand species in particular. The name derives from the Ancient Greek metra or " heartwood" and sideron or "iron". Perhaps the best-known species are the pōhutukawa (M. excelsa), northern rātā (M. robusta), and southern rātā (M. umbellata) of New Zealand, and ōhia lehua, (M. polymorpha), from the Hawaiian Islands.
Usage examples of "metrosideros".
This wealthy community had been built in a forest of oak and ficus and evergreen, of metrosideros and podocarpus and California pepper.