Thuja sutchuenensis

Cupressaceae Thuja sutchuenensis Franch.

Etymology
Thuja refers to ‘resinous tree’; indicating these trees are quite resinous.
sutchuenensis refers to the Chinese Province of Sichuan, where the type specimen was found; indicating its habitat.

Colloquial Name
Sichuan arborvitae

Distribution

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TDWG Codes
3, 36, CHC, CHC-CQ, CHC-SC

Habitat
The natural habitats for Thuja sutchuenensis are temperate forests, temperate shrublands. The natural elevation is unknown. There are no conifers associated with Thuja sutchuenensis that are known of.

USDA Hardiness zone – 6
Thuja sutchuenensis is hardy to USDA Zone 6 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -23.3C (-10F) to -17.8C (0F).

Species Continuity
The population trend for Thuja sutchuenensis is increasing. There are ongoing threats for Thuja sutchuenensis and they are listed as follows:

• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting
• 4 Invasive Species / Pathogens & Genetic Risks
  • 4.3 Diseases of Unknown Origin

IUCN Category – EN
According to the IUCN Red List, Thuja sutchuenensis 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 Thuja sutchuenensis is Thuja. The coordinate taxa for Thuja sutchuenensis are therefore:

Thuja sutchuenensis is further placed under Cupressoideae. Thuja sutchuenensis is also placed under Cupressaceae.