Sequoiadendron giganteum (Lindl.) J.Buchholz
  • Amer. J. Bot.
  • Mamutağacı


Cite taxon page as 'WFO (2020): Sequoiadendron giganteum (Lindl.) J.Buchholz. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000496705. Accessed on: 08 Jul 2020'

General Information

Trees to 90 m tall; trunk strongly buttressed at base, to 12 m d.b.h.; bark brown, spongy, deeply fissured and finally separating into cinnamon-colored fibers; crown conical whenyoung,

becoming open with age; branches of young trees spreading, on older trees drooping; axis of branchlets green or dark green in 1st year, thereafter pale brown to reddish brown. Leavesblue-green, base decurrent, distal free portion 3-5 mm, apex sharply pointed. Seed cones ellipsoid, 5-8 × 3-5.5 cm; cone scales shieldlike, ca. 2.5 cm, apical scales 6-10 mm wide, with distalgroove, ending in a long, terete spine at middle when young. Seeds pale brown, elongate-ellipsoid, 3-6 mm.

  • Provided by: [E].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    Trees to 90 m; trunk to 11 m diam.; crown conic and monopodial when young, narrowed and somewhat rounded in age. Bark reddish brown, to ca. 60 cm thick, fibrous, ridged and furrowed. Branches generally horizontal to downward-sweeping with upturned ends. Leaves generally with stomates on both surfaces, the free portion to ca. 15 mm. Pollen cones nearly globose to ovoid, 4--8 mm. Seed cones 4--9 cm. Seeds 3--6 mm. 2 n = 22.

  • Provided by: [D].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 

    Morphology

    Boyu 80-95 m, çapı 10-16 m’ye ulaşan görkemli, iğne yapraklı, herdem yeşil ağaçlar. Güçlü kazık köklü. Gövde düzgün monopodiyal, dip kısmı genişlemiş (payandalı), uca doğru aniden daralmakta; sürgün tomurcuğu pulsuz yani çıplak. Kabuk 30-60 cm kalınlığında, yumuşak, süngerimsi, tarçın renginde, derin oluklu. İğne yapraklar üçlü helezonî dizilişli, ana sürgünde yakl. 1 cm, yan sürgünlerde 5-6 mm uzunluğunda, mavimsi yeşil; ucu sivri; enine kesiti 3 köşeli. Dişi kozalak yumurtamsı, 5-8 × 4-5,5 cm, 2 yılda olgunlaşır; pullar 25-40 adet, kalın, geniş, odunsu. Tohum 3-6 mm, bir kozalak pulunda15-30 adet, 2 kanatlı; kanatlar tohumdan geniş.

  • Provided by: [B].Resimli Türkiye Florası (the Illustrated Flora of Turkey)
    • Nationally Preferred Names

      NameLanguageCountry
      MamutağacıTurkishTR

      Other Local Names

      NameLanguageCountry
      Giant sequoia, bigtree, Sierra-redwood

       Information From

      Cupressaceae
      World Flora Online Data. 2017.
      • A CC0 1.0 Universal (CC0 1.0).
      Resimli Türkiye Florası (the Illustrated Flora of Turkey)
      http://www.turkiyeflorasi.org.tr
      Güner, A., Kandemir, A., Menemen, Y., Yıldırım, H., Aslan, S., Ekşi, G., Güner, I. ve Çimen, A.Ö. (edlr.) (2018). Resimli Türkiye Florası, Cilt 2. ANG Vakfı Nezahat Gökyiğit Botanik Bahçesi Yayınları. İstanbul.
      • B All Rights Reserved
      • C Resimli Türkiye Florası (the Illustrated Flora of Turkey).
      Flora of North America @ efloras.org
      http://www.efloras.org/flora_page.aspx?flora_id=1
      'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
      • D Flora of North America Association
      Flora Of CHina @ efloras.org
      http://www.efloras.org/flora_page.aspx?flora_id=2
      'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
      • E Missouri Botanical Garden
      World Flora Online consortium
      http://www.worldfloraonline.org/organisation/WFO
      World Flora Online Data. 2018.
      • F CC0 1.0 Universal (CC0 1.0).
      International Union for Conservation of Nature
      https://www.iucn.org/
      IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
      • G All Rights Reserved
      Global Tree Assessment
      http://www.bgci.org/
      BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
      • H Botanic Gardens Conservation International
      International Union for Conservation of Nature v.3
      https://www.iucnredlist.org/
      IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
      • I See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use