Taxodium is a genus of one to three species (depending on taxonomic opinion) of extremely flood-tolerant conifers in the cypress family, Cupressaceae. It is one of several genera in the family that are commonly known as "cypresses". Within the family, Taxodium is most closely related to Chinese Swamp Cypress (Glyptostrobus pensilis) and Sugi (Cryptomeria japonica).

Species of Taxodium occur in the southern part of the North American continent and are deciduous in the north and semi-evergreen to evergreen in the south. They are large trees, reaching 30-45 m tall and 2-3 m (exceptionally 11 m) trunk diameter. The needle-like leaves, 0.5-2 cm long, are borne spirally on the shoots, twisted at the base so as to appear in two flat rows on either side of the shoot. The cones are globose, 2-3.5 cm diameter, with 10-25 scales, each scale with 1-2 seeds; they are mature in 7-9 months after pollination, when they disintegrate to release the seeds. The male (pollen) cones are produced in pendulous racemes, and shed their pollen in early spring.

Species

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The three taxa of Taxodium are treated here as distinct species, though some botanists treat them in just one or two species, with the others considered as varieties of the first described. The three are distinct in ecology, growing in different environments, but hybridise where they meet.

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Taxodium: Nuevo barrio ecológico en Pilar, Buenos Aires | TuVerde: En este sentido, el estudio Vacarezza Tenesi.. http://bit.ly/8K9nJK
xaviercoronado (Xavier Coronado) Tue, 01 Dec 2009 15:44:09 -0000
Taxodium: Nuevo barrio ecológico en Pilar, Buenos Aires | TuVerde: En este sentido, el estudio Vacarezza Tenesi.. http://bit.ly/8K9nJK

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