Sequoiadendron giganteum (Lindl.) J. Buchholz
Sequoia gigantea (Lindl.) Decne.
Sequoia wellingtonia Seem.
Giant Sequoia, Sierra Redwood
The giant sequoia is the only living species of genus Sequoiadendron, and one of three living species of cone-bearing trees called redwoods. They are found on the western slopes of the Sierra Nevada mountains in California.
Interested in the oldest trees? Check this Wired magazine article.
Identification: Although California redwoods are taller, giant sequoias have a larger volume. Giant sequoias reach 164-279' (50-85 m) vs. California redwoods, which top out at 377' (115 m). Giant sequoias also live longer, up to 3,500 years. Bark, up to 3' (91 cm) thick at the bottom of the tree, is fibrous and furrowed. Leaves are ¹/₁₆-³/₁₆" (3-6 mm) long, arranged in spiral whorls. Cones are 1½-2½" (4-7 cm) long. (Photo 1 is a baby tree planted in 1981, not a trick of perspective.
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|Plant||Up to 377' (115 m) tall, living up to 2,200 years.||164-279' (50-85 m) tall.||Up to 148' (45 m) high, up to 6½' (2 m) in diameter.|
|Leaves||¹/₁₆-³/₁₆" (3-6 mm) long, arranged in spiral whorls.|
|Stem||Bark up to 12" (30 cm) thick at base.||Bark, up to 3' (91 cm) thick at the bottom of the tree, is fibrous and furrowed.||Bark reddish brown when young, becoming fissured an gray.|
|Fruit||Oval, ½-1¼" (1.5-3.2 cm), with 15-25 spirally arranged scales.||Cones are 1½-2½" (4-7 cm) long.||Cones are ½-⅞" (1.5-2.5 cm) in diameter, with 16-28 scales.|
Sequoiadendron giganteum on Wikipedia
Sequoiadendron giganteum on www.biologie.uni-hamburg.de
Sequoiadendron giganteum on The Gymnosperm Database
Sequoiadendron giganteum on FLORIDATA
Sequoiadendron giganteum at the Encyclopedia of Stanford Trees, Shrubs and Vines
Sequoiadendron giganteum at the USDA Forest Service's Silvics of North America site
Sequoiadendron giganteum on the USDA Forest Service's Fire Effects Information Database
Sequoiadendron giganteum at the Virginia Tech Department of Forest Resources and Environmental Conservation
Sequoiadendron giganteum on Plants for a Future, a resource and information centre for edible and otherwise useful plants
Sequoiadendron giganteum at the Humboldt State University Institute for Redwood Ecology
Sequoiadendron giganteum on SEINet—the Southwest Environmental Information Network
Sequoiadendron giganteum description by Thomas H. Kent, last updated 16 Aug 2013.