Sequoiadendron giganteum

Cupressaceae Sequoiadendron giganteum (Lindl.) J.T. Buchholz

Etymology
Sequoiadendron refers to ‘Sequoia tree’; indicating the relationship with the Sequoia genus.
giganteum refers to ‘giant’; indicating the immense size this tree can attain.

Colloquial Name
Giant Sequoia

Distribution

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TDWG Codes
7, 76, CAL

Habitat
The natural habitats for Sequoiadendron giganteum are temperate forests. The natural elevation is unknown. There are no conifers associated with Sequoiadendron giganteum that are known of.

USDA Hardiness zone – 7
Sequoiadendron giganteum is hardy to USDA Zone 7 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -17.8C (0F) to -12.2C (10F).

Species Continuity
The population trend for Sequoiadendron giganteum is decreasing. There are ongoing threats for Sequoiadendron giganteum and they are listed as follows:

• 4 Invasive Species / Pathogens & Genetic Risks
  • 4.4 Genetic Contamination & Hybridization
• 5 Natural System Modifications
  • 5.1 Fire & Fire Suppression

IUCN Category – EN
According to the IUCN Red List, Sequoiadendron giganteum has been assigned the status of EN(Endangered). This means that according to the Red List criteria, this species qualifies as Endangered and is very much at risk.

Superordinate Taxa
The nearest superordinate taxon for Sequoiadendron giganteum is Sequoiadendron. Because Sequoiadendron contains only one species, this taxon is considered as monotypic.Sequoiadendron giganteum is further placed under Sequoioideae. Sequoiadendron giganteum is also placed under Cupressaceae.

Cultivars
‘Albospicum’, ‘Album’, ‘Spicum’, ‘Argenteum’, ‘Argenteum’, ‘Spicatum’, ‘Argenteovariegatum’, ‘Aureum’, ‘Aureocompactuum’, ‘Aureovariegatum’, ‘Bajojeka’, ‘Barabits’, ‘Requiem’, ‘Barronii’, ‘Pendulum’, ‘Barts’, ‘Green’, ‘Beautiful’, ‘Jop’, ‘Blauer’, ‘Eichzwerg’, ‘BLUE’, ‘ICEBERG’, ‘Bultinck’, ‘Yellow’, ‘Cannibal’, ‘Carneval’, ‘Cassidy’s’, ‘Dwarf’, ‘Chief’, ‘Columnare’, ‘Compactum’, ‘Conrad’, ‘Appel’, ‘Cream’, ‘Tower’, ‘Curly’, ‘Green’, ‘Cylindricum’, ‘Desperado’, ‘Dolomore’, ‘Dwarf’, ‘White’, ‘Exceptionally’, ‘Blue’, ‘Flavescens’, ‘French’, ‘Beauty’, ‘Glaucum’, ‘Glaucum’, ‘Compactum’, ‘Glaucum’, ‘Nanum’, ‘Globosum’, ‘Globus’, ‘Golden’, ‘Weeping’, ‘Green’, ‘Lightening’, ‘Greenpeace’, ‘Hazel’, ‘Smith’, ‘Hexenbesen’, ‘Eschrich’, ‘Holmesii’, ‘Julian’, ‘Kalmthout’, ‘Lacy’, ‘Blue’, ‘Lighting’, ‘Green’, ‘Little’, ‘Stan’, ‘Lucie’, ‘Luteum’, ‘Luzzi’, ‘Müller’, ‘Moonie’s’, ‘Mini’, ‘Nanum’, ‘Neuchatel’, ‘Pendulum’, ‘Pendulum’, ‘Verum’, ‘Pete’s’, ‘Fastigiate’, ‘Peve’, ‘Bonsai’, ‘Philip’, ‘Curtis’, ‘Pierie’, ‘Pirat’, ‘Powder’, ‘Blue’, ‘Powdered’, ‘Blue’, ‘Pygmaeum’, ‘Pyramidale’, ‘Pyramidale’, ‘Compactum’, ‘Requiem’, ‘Shorty’s’, ‘Blue’, ‘Strictum’, ‘Sulphureum’, ‘Type’, ‘Wittboldt-Müller’, ‘Variegatum’, ‘Viride’, ‘Von’, ‘Martin’, ‘WB’, ‘Yellow’, ‘Stone’, ‘Yreka’,