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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.
Larches are deciduous conifers in the genus Larix, of the family Pinaceae (subfamily Laricoideae).Growing from 20 to 45 metres (65 to 150 feet) tall, [1] they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high latitudes, and high in mountains further south.
The main plant communities are conifer forests, broadleaf deciduous forests, and alpine meadows and shrublands. Conifer forests are the most widespread. Turkish black pine ( Pinus nigra ), Lebanon cedar ( Cedrus libani ), Taurus fir ( Abies cilicica ), and juniper ( Juniperus foetidissima and Juniperus excelsa ) are the most common conifers.
Taxodium distichum (baldcypress, [3] [4] [5] bald-cypress, [6] bald cypress, swamp cypress; French: cyprès chauve; cipre in Louisiana) is a deciduous conifer in the family Cupressaceae. It is native to the southeastern United States. Hardy and tough, this tree adapts to a wide range of soil types, whether wet, salty, dry, or swampy.
The Southeastern conifer forests are a temperate coniferous forest ecoregion of the southeastern United States. It is the largest conifer forest ecoregion east of the Mississippi River . [ 2 ] It is also the southernmost instance of temperate coniferous forest within the Nearctic realm .
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 dark appearance of the spruce–fir canopy in contrast to the bright green canopy of the deciduous forest is the root of numerous mountain names across the southern Appalachians, most notably the Black Mountains, as well as individual summits such as Old Black in the Great Smokies. [16]
Similarly, the Southeastern conifer forests occupy the Gulf coastal plain to the south. Higher, and to the north and west, are the Appalachian-Blue Ridge forests and the Appalachian mixed mesophytic forests of the Appalachian Mountains. [2] Small stands of these forests extend into north Florida.