Jepson eFlora: Taxon page
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Picea sitchensis
SITKA SPRUCE

Higher Taxonomy
Family: PinaceaeView DescriptionDichotomous Key

Common Name: PINE FAMILY
Habit: Shrub, tree, evergreen; monoecious. Stem: young crown conic; twig not grooved, resinous, generally persistent. Leaf: simple, generally alternate, sometimes in bundles or appearing +- 2-ranked, linear or awl-like; base decurrent, woody or not, persistent several years. Pollen Cone: generally < 6 cm, not woody, deciduous. Seed Cone: generally woody; bracts, scales generally persistent; scale not peltate, fused to or free from subtending bract. Seed: 2, on scale base adaxially.
Genera In Family: 10 genera, 193 species: generally northern hemisphere; many of great commercial value, supplying > 1/2 of world's timber.
eFlora Treatment Author: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin, except as noted
Scientific Editor: Thomas J. Rosatti, Bruce G. Baldwin.
Genus: PiceaView DescriptionDichotomous Key

Common Name: SPRUCE
Stem: crown conic; young branches appearing whorled, drooping or not; bark thin, scaly; twig with persistent, peg-like, spreading, < 2 mm leaf bases, glabrous or hairy; bud conic to ovoid, resinous. Leaf: often crowded toward upper side of twigs, generally < 3 cm, sessile, +- 4-angled or flat, stiff, often strong-smelling when crushed. Seed Cone: conspicuously terminal or not, pendent, 5--12 cm, maturing 1st year; stalk 0--1 cm; bract included, +- free from scale. Seed: wing terminal. Chromosomes: 2n=24.
Species In Genus: 34 species: northern hemisphere. Etymology: (Latin: pitch) Note: Trunks, especially of Picea sitchensis, more flared or buttressed at base than other California conifers.

Picea sitchensis (Bong.) Carrière
NATIVE
Stem: trunk < 66 m, < 5.1 m wide; branches +- drooping; twig glabrous. Leaf: 1--3 cm, rigid; adaxially +- flat, with 2 faint, +- white bands, abaxially rounded, darker green, with 2 faint, +- white bands or not; tip acute, sharp to touch. Seed Cone: < 10 cm, oblong; scale +- papery, margin +- jagged; bract > 1/2 scale.
Ecology: Moist soils, especially near coastal river mouths; Elevation: < 450 m. Bioregional Distribution: NCo; Distribution Outside California: to Alaska.
eFlora Treatment Author: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin
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Citation for this treatment: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin 2016. Picea sitchensis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=38188, accessed on February 08, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 08, 2016.


Picea sitchensis
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© 2013 California Academy of Sciences
Picea sitchensis
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© 2013 California Academy of Sciences
Picea sitchensis
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© 2009 California Academy of Sciences

More photos of Picea sitchensis in CalPhotos


Geographic subdivisions for Picea sitchensis:
NCo;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.