Metasequoia glyptostroboides

Cupressaceae Metasequoia glyptostroboides H. H. Hu & W. C. Cheng

Etymology
Metasequoia refers to ‘altered Sequoia’; indicating its close relationship with Sequoia(dendron).
glyptostroboides refers to ‘like Glyptostrobus’; indicating its similarity with Glyptostrobus pensilis.

Colloquial Name
Dawn Redwood

Distribution

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TDWG Codes
3, 36, CHC, CHC-CQ, CHC-HU, CHC-SC, CHS, CHS-HN

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

USDA Hardiness zone – 5
Metasequoia glyptostroboides is hardy to USDA Zone 5 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -28.9C (-20F) to -23.3C (-10F).

Species Continuity
The population trend for Metasequoia glyptostroboides is decreasing. Currently, there exist about 5400 mature specimen. There are ongoing threats for Metasequoia glyptostroboides and they are listed as follows:

• 1 Habitat Loss & Degradation
  • 1.1 Agriculture & Forestry
• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting

IUCN Category – EN
According to the IUCN Red List, Metasequoia glyptostroboides 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 Metasequoia glyptostroboides is Metasequoia. Because Metasequoia contains only one species, this taxon is considered as monotypic.Metasequoia glyptostroboides is further placed under Sequoioideae. Metasequoia glyptostroboides is also placed under Cupressaceae.

Cultivars
‘All Bronze’, ‘Blue-isch’, ‘Bonsai’, ‘Emerald Feathers’, ‘Fastigiata’, ‘Golden Dawn’, ‘Golden Guusje’, GOLDEN MANTLE, ‘Golden Oji’, GOLD RUSH, ‘Green Mantle’, ‘Hamlet’s Broom’, ‘Jack Frost’, ‘Little Creamy’, ‘Little Giant’, ‘Matthaei’, ‘McCracken’s White’, ‘Miss Grace’, ‘Moerheim’, ‘National’, ‘Nitschke Cream’, ‘Ogon’, ‘Pat McCracken’, ‘Prof Ching’, ‘Prof Li’, ‘Rowena’, ‘Rutgers Select’, ‘Schirrmann’s Nordlicht’, ‘Sheridan Spire’, ‘Shui San’, ‘Silhouette’, ‘Snow Flurry’, ‘Spring Cream’, ‘Vada’, ‘Waasland’, ‘White Spot’