(Tectona grandis), a tree of the family Verbenaceae. Teak grows to 40–50 m in height and has large leaves 30–60 cm in length. The small flowers grow in panicles. The fruits are drupelike. Teak grows in deciduous forests of Asia, from India to Indonesia. It is cultivated in tropical regions of Asia for its valuable wood, which is used in the construction of ships, trains, and buildings and in furniture-making.
Teakwood is beautiful and has a narrow white alburnum and a yellowish heartwood that browns as it dries. The wood is very tough and resistant to decay, harmful insects, and chemicals, yet it is easily worked. Oldfieldia africana, a tree of the family Euphorbiaceae that grows in West Africa and yields valuable wood, is called African teak.