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Taxodium / t æ k ˈ s oʊ d i ə m / [1] is a genus of one to three species (depending on taxonomic opinion) of extremely flood-tolerant conifers in the cypress family, Cupressaceae. The name is derived from the Latin word taxus , meaning " yew ", and the Greek word εἶδος ( eidos ), meaning "similar to."
The largest dawn redwood recorded was an isolated specimen in China about 50 meters (160 feet) tall and 2.2 meters (7.2 feet) wide. This tree was killed by a lightning strike in 1951. [18] Several dawn redwoods of this height still live in the eastern part of Metasequoia Valley, where the tree was discovered.
The bark and foliage are similar to Sequoia, but Metasequoia is deciduous like Taxodium distichum (bald cypress), and, similarly, older specimens form wide buttresses on the lower trunk. It is a fast-growing tree to 130–150 feet (40–45 m) tall and 6 feet (2 m) in trunk diameter in cultivation so far (with the potential to grow even higher).
It is a medium-sized to large tree, reaching 30 m (98 ft) tall and with a trunk diameter of up to 1 m (3.3 ft), possibly more.The leaves are deciduous, spirally arranged but twisted at the base to lie in two horizontal ranks, 5–20 mm (0.20–0.79 in) long and 1–2 mm (0.039–0.079 in) broad, but 2–3 mm (0.079–0.118 in) long and scale-like on shoots in the upper crown.
Glyptostrobus is a small genus of conifers in the family Cupressaceae (formerly in the family Taxodiaceae).The sole living species, Glyptostrobus pensilis, is native to subtropical southeastern China, from Fujian west to southeast Yunnan, and also very locally in northern Vietnam and Bolikhamsai province of eastern Laos near the Vietnam border.
Taxodium: Taxodium ascendens, commonly known as pond cypress [5] and native to North America. Taxodium distichum, commonly known as bald cypress and native to the southeastern United States. [6] Taxodium mucronatum, commonly known as Montezuma cypress or Montezuma bald cypress. [7] It is native to Mexico, Guatemala, and southern-central United ...
Fossilized remains of Glyptostrobus were first described as Taxodium europaeus by Adolphe-Théodore Brongniart in 1833 and reassigned to the genus Glyptostrobus by Oswald Heer in 1855. The division of fossil members of the genus into a number of other species is considered by some to rest on "very unreliable criteria". [2]
Taxodium; As proposed, genera of the former Taxodiaceae are grouped in the following subfamilies within the larger Cupressaceae: Athrotaxidoideae Quinn (Athrotaxis) Cunninghamioideae (Sieb. & Zucc.) Quinn (Cunninghamia) Sequoioideae (Luerss.) Quinn (Sequoia, Sequoiadendron, and Metasequoia) Taiwanioideae (Hayata) Quinn (Taiwania)