Metasequoia redwood fossils are known from many areas in the Northern Hemisphere more than 20 fossil species have been named (some were even identified as the genus Sequoia), but are considered as just three species, M. Dawn redwood on the campus of San Jose State University The other Sequoioideae and several other genera have been transferred from the former Taxodiaceae family to Cupressaceae based on DNA analysis. Although Metasequoia glyptostroboides is the only living species in its genus, three fossil species are known, as well. Together with Sequoia sempervirens (coast redwood) and Sequoiadendron giganteum (giant sequoia) of California, Metasequoia is classified in the Cupressaceae subfamily Sequoioideae. Since that tree's rediscovery in 1944, the dawn redwood has become a popular ornamental. 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. Although the least tall of the redwoods, it grows to at least 200 feet (60 meters) in height. It is native to the Sichuan–Hubei region of China. Metasequoia(dawn redwood) is a fast-growing, deciduous tree, and the sole living species, Metasequoia glyptostroboides, is one of three species of conifers known as redwoods. Additions to the International Conifer Register.
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