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The great majority of conifer genera and species are evergreen, retaining their leaves for several (2–40) years before falling, but unusual deciduous conifers occur in five genera (Larix, Pseudolarix, Glyptostrobus, Metasequoia and Taxodium), shedding their leaves in autumn and leafless through the winter.
The Piney Woods is a temperate coniferous forest terrestrial ecoregion in the Southern United States covering 54,400 square miles (141,000 km 2) of East Texas, southern Arkansas, western Louisiana, and southeastern Oklahoma.
Metasequoia glyptostroboides, the dawn redwood, is a fast-growing, endangered deciduous conifer.It is the sole living species of the genus Metasequoia, one of three genera in the subfamily Sequoioideae of the family Cupressaceae.
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."
Once one of the largest ecosystems in North America, from Virginia south to Florida and west to Texas, it now occupies less than a quarter of the original range. Degradation of the ecosystem is partially due to excessive timber harvesting, urbanization, and fire exclusion. Although the ecosystem is heavily fragmented at present, it still ...
Gould's Ecoregions of Texas (1960). [1] These regions approximately correspond to the EPA's level 3 ecoregions. [2]The following is a list of widely known trees and shrubs found in Texas.
Taxodium ascendens, also known as pond cypress, [2] is a deciduous conifer of the genus Taxodium, native to North America.Many botanists treat it as a variety of bald cypress, Taxodium distichum (as T. distichum var. imbricatum) rather than as a distinct species, but it differs in habitat, occurring mainly in still blackwater rivers, ponds and swamps without silt-rich flood deposits.
Most conifers are monoecious, but some are subdioecious or dioecious; all are wind-pollinated. Conifer seeds develop inside a protective cone called a strobilus. The cones take from four months to three years to reach maturity, and vary in size from 2 to 600 millimetres (1 ⁄ 8 to 23 + 5 ⁄ 8 in) long.