Pinus yunnanensis var. pygmaea

Pinaceae Pinus yunnanensis var. pygmaea (Hsueh f.) Hsueh f.

Etymology
Pinus refers to the Latin name for pines.
yunnanensis refers to Yunnan, from where it was described first; indicating its habitat.
pygmaea refers to ‘dwarf’; indicating its shrubby growth habit.

Colloquial Name
Dwarf Yunnan pine

Subordinate Taxa
There exist 2 subordinate taxa for Pinus yunnanensis:

Distribution

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

Habitat
The natural habitats for Pinus yunnanensis var. pygmaea are temperate forests, temperate shrublands. The natural elevation is unknown. There are no conifers associated with Pinus yunnanensis var. pygmaea that are known of.

USDA Hardiness zone – 8
Pinus yunnanensis var. pygmaea 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 Pinus yunnanensis var. pygmaea is unknown. There are no known threats for Pinus yunnanensis var. pygmaea.

IUCN Category – DD
According to the IUCN Red List, Pinus yunnanensis var. pygmaea 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 Pinus yunnanensis is Subsect. Pinus. The coordinate taxa for Pinus yunnanensis are therefore:

Pinus yunnanensis var. pygmaea is further placed under Pinoideae. Pinus yunnanensis var. pygmaea is also placed under Pinaceae.