Picea alcoquiana

Pinaceae Picea alcoquiana (Veitch ex Lindl.) Carrière

Etymology
Picea refers to the classical names for spruces.
alcoquiana refers to the Japanese minister R. Alcock.

Colloquial Name
Alcock’s spruce

Subordinate Taxa
There exist 3 subordinate taxa for Picea alcoquiana:

Distribution

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TDWG Codes
3, 38, JAP, JAP-HN

Habitat
The natural habitats for Picea alcoquiana are temperate forests. It is naturally found at an elevation of at least 2200 up to 2200 metres. Other conifers associated with Picea alcoquiana are:

USDA Hardiness zone – 5
Picea alcoquiana is hardy to USDA Zone 5 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -28.9C (-20F) to -23.3C (-10F).

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

• 1 Habitat Loss & Degradation
  • 1.1 Agriculture & Forestry
• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting
• 3 Climate Change & Natural Disasters
  • 3.2 Storms / Flooding & Other Events

IUCN Category – NT
According to the IUCN Red List, Picea alcoquiana has been assigned the status of NT(Near Threatened). This means that according to the Red List criteria, this species is not threatened, but is close to having this status.

Superordinate Taxa
The nearest superordinate taxon for Picea alcoquiana is Series Picea. The coordinate taxa for Picea alcoquiana are therefore:

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

Cultivars
‘Acicularis’, ‘Dwarf Tigertail’, ‘Howell’s Dwarf’, ‘Prostrata’, ‘Tigertail’