|
Sequoiadendron Giganteum - Opened Male Cones RHu 02
''Sequoiadendron'' is a genus of evergreen trees, with two species, only one of which survives to the present: * ''Sequoiadendron giganteum'', extant, commonly known as wellingtonia, giant redwood and giant sequoia, growing naturally in the Sierra Nevada of California * † ''Sequoiadendron chaneyi'', extinct, the predecessor of ''Sequoiadendron giganteum'', found mostly in the Nevada part of the Tertiary Colorado Plateau until the late Miocene Fossil record file:Sequoiadendron chaneyi.jpg, left, up ''Sequoiadendron chaneyi'' foliage fossil, Nevada ''Sequoiadendron'' fossil pollen and macrofossils may have been found as early as the Cretaceous and throughout the Northern Hemisphere, including locations in western Georgia in the Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range, have historicall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sequoiadendron Chaneyi
''Sequoiadendron chaneyi'' is an extinct species of tree in the Cupressaceae genus ''Sequoiadendron''. Known from Miocene fossils found in Nevada and California, ''S. chaneyi'' is the oldest species of ''Sequoiadendron''. The common use of the name "sequoia" generally refers to ''Sequoiadendron giganteum,'' which occurs naturally only in the various groves that exist on the western slopes of the Sierra Nevada of California.National Park Service Giant Sequoia Page accessed 1 April 2011 ''S. chaneyi'' is considered the probable direct ancestor to the extant ''Sequoiadendron giganteum''. Description This species was found fossilized northeast to the current ''S. giganteum'' groves in the Sierra Nevada and near |