Keteleeria davidiana var. formosana

Pinaceae Keteleeria davidiana var. formosana (Hayata) Hayata

Etymology
Keteleeria refers to the Belgian horticulturist J. B. Keteleer.
davidiana refers to the French missionary A. David.
formosana refers to ‘Formosa’, a former name for Taiwan; indicating its natural habitat.

Colloquial Name
Taiwan Keteleeria

Subordinate Taxa
There exist 2 subordinate taxa for Keteleeria davidiana:

Distribution

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TDWG Codes
3, 38, TAI

Habitat
The natural habitats for Keteleeria davidiana var. formosana are subtropical/tropical moist lowland forests. It is naturally found at an elevation of at least 900 up to 900 metres. Other conifers associated with Keteleeria davidiana var. formosana are:

USDA Hardiness zone – 7
Keteleeria davidiana var. formosana 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 Keteleeria davidiana var. formosana is decreasing. There are ongoing threats for Keteleeria davidiana var. formosana and they are listed as follows:

• 1 Habitat Loss & Degradation
  • 1.1 Agriculture & Forestry
  • 1.2 Urban & Infrastructure Development
• 2 Overexploitation & Resource Use
  • 2.2 Biological Resource Use

IUCN Category – EN
According to the IUCN Red List, Keteleeria davidiana var. formosana 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 Keteleeria davidiana is Keteleeria. The coordinate taxa for Keteleeria davidiana are therefore:

Keteleeria davidiana var. formosana is further placed under Abietoideae. Keteleeria davidiana var. formosana is also placed under Pinaceae.