Sequoia is a genus in the cypress family Cupressaceae (formerly treate in Taxodiaceae), containing the single living species Sequoia sempervirens. Common names include Coast Redwood and California Redwood (it is one of three species of trees known as redwoods). It is an evergreen, long-lived, monoecious tree living for up to 2,200 years, and this species includes the tallest existing trees in the world, reaching up to 115.5 m (379.1 ft) in height and 8 m (26 ft) diameter at breast height.