White Spruce (Picea glauca) (Moench, 1785)

 

Synonyms: Picea albertiana, Picea canadensis, Abies canadensis, Pinus alba (see The Plant List for more synonyms), western white spruce, Canadian spruce

 

 

Picea glauca occurs in boreal and northern temperate forests of North America, from Alaska to Newfoundland, and south to Montana, Minnesota, and New England. It grows in well-drained soils in alluvial and riparian zones, but sometimes in wet areas as well; from sea level to 1,000 m. White Spruce reaches 15-40 m in height, with dbh up to 1 m. The bark is thin and scaly, gray-brown. Leaves are 1-2.5 cm long, rigid, blue-green. Seed cones are pendulous, cylindrical; green or reddish 2.5-6 cm. Picea glauca regularly hybridizes with P. engelmannii in western North America.

 

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