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Picea bicolor

Common Name: 
Alcock spruce
        
Family: Pinaceae 
  

Collection Number: 
Entry Author: K. Rice
Description: Straight round trunk and long, slender, spreading branches.
Needles: Linear, quadrangular, 0.4 to 0.6 inches long.
Cones: Oblong or cylindrical, 0.25 to 0.35 inches long.
Bark: Bark purple-brown on young trees, maturing to gray-brown, fissured and peeling off in thick scales.
Branching Pattern: Long, slender, spreading branches.
Height: 100 feet
Conditions/Habitat/Kind of Forest: The climate is cool, with snowy winters. Soils are volcanic. Typically grows in mixed conifer forests.
Range: Japan: on the Pacific Ocean side of Honshu, in subalpine forests.
Conservation Status-US/ World Wide: Vulnerable, population stable, known from fewer than five localities. "A few (<5) small populations in scattered locations are confined to the volcanic Akaishi range of central Honshu. They occur in mixed montane forest."
Uses (Human): Provides useful timber.

References:

Gymnosperm Database, University of Bonn
http://www.botanik.uni-bonn.de/conifers/pi/pic/alcoquiana.htm

IUCN Red List of Threatened Species
http://www.iucnredlist.org/  





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This page was created by: K. Rice, Muhlenberg College
For questions or concerns regarding the Graver Web site, contact lrosen@muhlenberg.edu
Last updated 01/19/05