Sequoiadendron Giganteum (Giant Sequoia, ) Giant Sequoia Is Native to the Sierra Nevada Mountains in the USA

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Sequoiadendron giganteum (Giant Sequoia, ) Giant Sequoia is native to the Sierra Nevada Mountains in the USA. One of the largest tree in the world. Young trees have pyramidal shape. The bark is very attractive with its cinnamon color and with deep furrows and ridges. The leaves are scale like, bluish green in color evergreen. Due its large size use it in large garden as a specimen tree. Landscape Information French Name: Séquoia géant ﺳﻴﻜﻮﻳﺎ ﻋﻤﻼﻗﺔ :Arabic Name Pronounciation: see-kwoy-uh-DEN-drawn jye- GAN-tee-um Plant Type: Tree Origin: North America Heat Zones: 4, 5, 6, 7, 8, 9 Hardiness Zones: 6, 7, 8 Uses: Specimen, Shade Size/Shape Growth Rate: Slow Tree Shape: Pyramidal, Columnar Plant Image Canopy Symmetry: Symmetrical Canopy Density: Dense Canopy Texture: Fine Height at Maturity: Over 23 Spread at Maturity: 10 to 15 meters Sequoiadendron giganteum (Giant Sequoia, ) Botanical Description Foliage Leaf Arrangement: Spiral Leaf Venation: Nearly Invisible Leaf Persistance: Evergreen Leaf Type: Simple Leaf Blade: Less than 5 Leaf Shape: Scale Leaf Margins: Entire Leaf Textures: Medium Leaf Scent: No Fragance Color(growing season): Green, Blue-Green Color(changing season): Green Flower Flower Showiness: False Flower Scent: No Fragance Flower Image Seasons: Spring Trunk Trunk Has Crownshaft: False Trunk Susceptibility to Breakage: Generally resists breakage Number of Trunks: Single Trunk Trunk Esthetic Values: Showy, Fissured Fruit Fruit Type: Cones Fruit Showiness: False Fruit Size Range: 3 - 7 Fruit Colors: Brown Seasons: Spring Sequoiadendron giganteum (Giant Sequoia, ) Horticulture Management Tolerance Frost Tolerant: Yes Heat Tolerant: No Drought Tolerant: Yes Salt Tolerance: Poor Requirements Soil Requirements: Clay, Loam, Sand Soil Ph Requirements: Acidic, Alkaline Water Requirements: Moderate Light Requirements: Full Management Leaf Image Toxity: No Invasive Potential: No Susceptibility to Pests and Diseases: Yes Pruning Requirement: Little needed, to develop a strong structure Fruit/ Leaves/ Flowers litter: No Surface Rooting: No Life Span: More than 50 Diseases: Dieback Edible Parts: None Plant Propagations: Seed MORE IMAGES Fruit Image Bark Image Other Image.

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Distribution of Living Cupressaceae Reflects the Breakup of Pangea
Distribution of living Cupressaceae reﬂects the breakup of Pangea Kangshan Maoa,b,c,1, Richard I. Milnea,b,c,1, Libing Zhangd,e, Yanling Penga, Jianquan Liua,2, Philip Thomasc, Robert R. Millc, and Susanne S. Rennerf aState Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, People’s Republic of China; bInstitute of Molecular Plant Sciences, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3JH, United Kingdom; cRoyal Botanic Garden Edinburgh, Edinburgh EH3 5LR, Scotland, United Kingdom; dChengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, People’s Republic of China; eMissouri Botanical Garden, St. Louis, MO 63166; fSystematic Botany and Mycology, Department of Biology, University of Munich, 80638 Munich, Germany Edited by Charles C. Davis, Harvard University, Cambridge, MA, and accepted by the Editorial Board March 21, 2012 (received for review September 2, 2011) Most extant genus-level radiations in gymnosperms are of Oligocene occur on all continents except Antarctica and comprise 162 species age or younger, reﬂecting widespread extinction during climate in 32 genera (see Table S2 for subfamilies, genera, and species cooling at the Oligocene/Miocene boundary [∼23 million years ago numbers). The family has a well-studied fossil record going back (Ma)]. Recent biogeographic studies have revealed many instances of to the Jurassic (32–36). Using ancient fossils to calibrate genetic long-distance dispersal in gymnospermsaswellasinangiosperms. distances in molecular phylogenies can be problematic, because the Acting together, extinction and long-distance dispersal are likely to older a fossil is, the more likely it is to represent an extinct lineage erase historical biogeographic signals.
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Why Are Coast Redwood and Giant Sequoia Not Where They Are Not?1
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The Taxonomic Position and the Scientific Name of the Big Tree known as Sequoia gigantea HAROLD ST. JOHN and ROBERT W. KRAUSS l FOR NEARLY A CENTURY it has been cus ing psychological document, but its major,ity tomary to classify the big tree as Sequoia gigan vote does not settle either the taxonomy or tea Dcne., placing it in the same genus with the nomenclature of the big tree. No more the only other living species, Sequoia semper does the fact that "the National Park Service, virens (Lamb.) End!., the redwood. Both the which has almost exclusive custodY of this taxonomic placement and the nomenclature tree, has formally adopted the name Sequoia are now at issue. Buchholz (1939: 536) pro gigantea for it" (Dayton, 1943: 210) settle posed that the big tree be considered a dis the question. tinct genus, and he renamed the tree Sequoia The first issue is the generic status of the dendron giganteum (Lind!.) Buchholz. This trees. Though the two species \differ con dassification was not kindly received. Later, spicuously in foliage and in cone structure, to obtain the consensus of the Calif.ornian these differences have long been generally botanists, Dayton (1943: 209-219) sent them considered ofspecific and notofgeneric value. a questionnaire, then reported on and sum Sequoiadendron, when described by Buchholz, marized their replies. Of the 29 answering, was carefully documented, and his tabular 24 preferred the name Sequoia gigantea. Many comparison contains an impressive total of of the passages quoted show that these were combined generic and specific characters for preferences based on old custom or sentiment, his monotypic genus.
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