Acacia confusa is a perennial tree native to South-East Asia. Some common names for it are acacia petit feuille, small Philippine acacia, Formosa acacia (Taiwan acacia) and Formosan koa. It grows to a height of 15 m. The tree has become very common in many tropical Pacific areas, including Hawaii, where the species is considered invasive.
The wood has a density of about 0.75 g/cm³. In Taiwan, its wood was used to make support beams for underground mines. The wood is also converted to charcoal for ...