Chamaecyparis obtusa var. formosana

Cupressaceae Chamaecyparis obtusa var. formosana (Hayata) Hayata

Etymology
Chamaecyparis refers to ‘dwarf/creeping’ and ‘cypress’.
obtusa refers to ‘obtuse’; indicating the leaf apex is not pointy.
formosana refers to ‘Formosa’, a former name for Taiwan; indicating its natural habitat.

Colloquial Name
Yellow cypress, Taiwan Yellow cypress

Subordinate Taxa
There exist 2 subordinate taxa for Chamaecyparis obtusa:

Distribution

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TDWG Codes
3, 38, TAI

Habitat
The natural habitats for Chamaecyparis obtusa var. formosana are temperate forests. It is naturally found at an elevation of at least 3000 up to 3000 metres. Other conifers associated with Chamaecyparis obtusa var. formosana are:

USDA Hardiness zone – 8
Chamaecyparis obtusa var. formosana is hardy to USDA Zone 8 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -12.2C (10F) to -6.7C (20F).

Species Continuity
The population trend for Chamaecyparis obtusa var. formosana is unknown. There are ongoing threats for Chamaecyparis obtusa var. formosana and they are listed as follows:

• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting
• 5 Natural System Modifications
  • 5.3 Other Ecosystem Modifications

IUCN Category – VU
According to the IUCN Red List, Chamaecyparis obtusa var. formosana has been assigned the status of VU(Vulnerable). This means that according to the Red List criteria, this species qualifies as Vulnerable and is of risk.

Superordinate Taxa
The nearest superordinate taxon for Chamaecyparis obtusa is Chamaecyparis. The coordinate taxa for Chamaecyparis obtusa are therefore:

Chamaecyparis obtusa var. formosana is further placed under Cupressoideae. Chamaecyparis obtusa var. formosana is also placed under Cupressaceae.

This map shows botanical records (points) for this taxon. By opening the map’s sidebar (collapsed by default) you can toggle visibility or change the basemap. By clicking on records, you reveal more information.