Metasequoia
Metasequoia is a fast-growing, deciduous tree, and the sole living species,
Metasequoia glyptostroboides, is one of three species of conifers known as redwoods. It is native to the Sichuan–Hubei region of China. Although the least tall of the redwoods, it grows to at least 200 feet in height. Local villagers refer to the original tree from which most others derive as
Shui-sa, or "water fir", which is part of a local shrine. Since that tree's rediscovery in 1944, the dawn redwood has become a popular ornamental. Together with
Sequoia sempervirens and
Sequoiadendron giganteum of California,
Metasequoia is classified in the Cupressaceae subfamily Sequoioideae. Although
M. glyptostroboides is the only living species in its genus, three fossil species are known, as well. Sequoioideae and several other genera have been transferred from the former Taxodiaceae family to Cupressaceae based on DNA analysis.