Tsuga chinensis var. robusta

Pinaceae Tsuga chinensis var. robusta W.C.Cheng & L.K.Fu

Etymology
Tsuga refers to the Japanese name for this tree.
chinensis refers to China; indicating its habitat.
robusta refers to ‘large’; indicating its seed cones are larger than var. chinensis.

Colloquial Name
Robust Chinese hemlock

Subordinate Taxa
There exist 3 subordinate taxa for Tsuga chinensis:

Distribution

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

Habitat
The natural habitats for Tsuga chinensis var. robusta are temperate forests. The natural elevation is unknown. There are no conifers associated with Tsuga chinensis var. robusta that are known of.

USDA Hardiness zone – 6
Tsuga chinensis var. robusta 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 Tsuga chinensis var. robusta is unknown. There are ongoing threats for Tsuga chinensis var. robusta and they are listed as follows:

• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting
• 5 Natural System Modifications
  • 5.2 Water Management & Dams

IUCN Category – DD
According to the IUCN Red List, Tsuga chinensis var. robusta has been assigned the status of DD(Data Defficient). This means that according to the Red List criteria, not enough data has been obtained about its abundance and/or distribution.

Superordinate Taxa
The nearest superordinate taxon for Tsuga chinensis is Tsuga. The coordinate taxa for Tsuga chinensis are therefore:

Tsuga chinensis var. robusta is further placed under Abietoideae. Tsuga chinensis var. robusta is also placed under Pinaceae.