Picea jezoensis

Pinaceae Picea jezoensis (Siebold & Zucc.) Carrière

Etymology
Picea refers to the classical names for spruces.
jezoensis refers to Yezo, a different name for Hokkaido; indicating its habitat.

Colloquial Name
Yezo spruce

Subordinate Taxa
There exist 3 subordinate taxa for Picea jezoensis:

Distribution

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TDWG Codes
3, 31, KAM, KHA, KUR, MAG, PRM, SAK, 36, CHM, CHM-JL, 38, JAP, JAP-HK, JAP-HN, KOR, KOR-NK

Habitat
The natural habitats for Picea jezoensis are boreal forests, temperate forests. It is naturally found at an elevation of at least 1 up to 2700 metres. Other conifers associated with Picea jezoensis are:

USDA Hardiness zone – 2
Picea jezoensis is hardy to USDA Zone 2 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -45.6C (-50F) to -40C (-40F).

Species Continuity
The population trend for Picea jezoensis is decreasing. There are ongoing threats for Picea jezoensis and they are listed as follows:

• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting
• 5 Natural System Modifications
  • 5.1 Fire & Fire Suppression

IUCN Category – LC
According to the IUCN Red List, Picea jezoensis has been assigned the status of LC(Least Concern). This means that according to the Red List criteria, this species is not qualified as threatened.

Superordinate Taxa
The nearest superordinate taxon for Picea jezoensis is Subsect. Sitchenses. The coordinate taxa for Picea jezoensis are therefore:

Picea jezoensis is further placed under Pinoideae. Picea jezoensis is also placed under Pinaceae.

Cultivars
‘Aurea’, ‘Chinese Marl’, ‘Chitosemaru’, ‘D.J. Dwarf’, ‘Gurt’, ‘Landis’, ‘Mariánské Lázně’, ‘Nana’, ‘Shimizusei’, ‘Yatsubusa’, ‘Yosawa’