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Sequoiadendron is a genus of evergreen trees, with two species, only one of which survives to the present:[1]

Sequoiadendron
Giant sequoias in Sequoia National Park 02 2013.jpg
Trees in Sequoia National Park
Sequoiadendron chaneyi.jpg
Sequoiadendron chaneyi foliage fossil, Nevada
Scientific classification edit
Kingdom: Plantae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Cupressaceae
Subfamily: Sequoioideae
Genus: Sequoiadendron
J.Buchholz
Species
Synonyms[1]
  • Steinhauera C.Presl
  • Wellingtonia Lindl. 1853, illegitimate homonym, not Meisn. 1840 (Sabiaceae)
  • Americus Hanford, rejected name
  • Washingtonia Winslow 1854, rejected name, not H. Wendl. 1879 (Arecaceae) not Raf. ex J.M. Coult. & Rose 1900 (Apiaceae)

Fossil recordEdit

Sequoiadendron fossil pollen has been recovered from strata of early Pliocene until Günz glaciation of the Pleistocene in Western Georgia in the Caucasus region.[4]

ReferencesEdit

  1. ^ a b "Kew World Checklist of Selected Plant Families".
  2. ^ "2013 county distribution map". Biota of North America.
  3. ^ Axelrod, Daniel L. (1959). "Late Cenozoic evolution of the Sierran Bigtree forest". Evolution. 13 (1): 9–23. JSTOR 2405942.
  4. ^ Shatilova, Irina; Mchedlishvili, Nino; Rukhadze, Luara; Kvavadze, Eliso (2011). The History of the Flora and Vegetation of Georgia. Tbilisi: Georgian National Museum Institute of Paleobiology. ISBN 978-9941-9105-3-1.

External linksEdit