Picea sitchensis

Picea sitchensis, the Sitka spruce, is a large, coniferous, evergreen tree growing to almost 100 meters (330 ft) tall, with a trunk diameter at breast height that can exceed 5 m (16 ft). It is by far the largest species of spruce and the fifth-largest conifer in the world (behind giant sequoia, coast redwood, kauri, and western red cedar), and the third-tallest conifer species (after coast redwood and coast Douglas fir). The Sitka spruce is one of the few species documented to exceed 90 m (300 ft) in height. Its name is derived from the community of Sitka in southeast Alaska, where it is prevalent. Its range hugs the western coast of Canada and the US, continuing south into northernmost California.

Sitka spruce
Sitka spruce in the Hoh Rainforest in Olympic National Park
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Picea
Species:
P. sitchensis
Binomial name
Picea sitchensis
Range highlighted in dark green
Genomic information
NCBI genome ID3332
Ploidy2
Genome size20 Gbp
Number of chromosomes12
Sequenced organelleplastid and mitochondrion
Organelle size124 kbp and 5.52 Mbp
Year of completion2016 and 2019
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