Picea sitchensis

(Bongard) Carrière

260. 1855.

Common names: Sitka spruce épinette de Sitka
IllustratedEndemic
Basionym: Pinus sitchensis Bongard Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math. 2: 164. 1832 (Aug.)
Synonyms: Abies falcata Rafinesque Abies menziesii (Douglas ex D. Don) Lindley Picea falcata (Rafinesque) Suringar Picea menziesii (Douglas ex D. Don) Carrière Pinus menziesii Douglas ex D. Don
Treatment appears in FNA Volume 2.

Trees to 80m; trunk to 5m diam.; crown narrowly conic. Bark grayish brown to orangebrown. Branches somewhat drooping; twigs not pendent, rather stout, pinkish brown, glabrous. Buds reddish-brown, 5–10mm, apex rounded. Leaves (1.2–) 1.5–2.5 (–3) cm, flattened or broadly triangular in cross-section (abaxial surface rounded or slightly angular), rather rigid, blue-green to light yellow-green, abaxial surface darker green with stomatal bands very narrow or absent, adaxial surface glaucous with conspicuous stomatal bands separated by ridge, apex sharp-pointed. Seed-cones 5–9 (–10) cm; scales variable, elliptic to narrowly diamond-shaped, 15–22 × 12–16mm, rather rigid, margin at apex erose, apex extending 4–8mm beyond seed-wing impression. 2n =24.


Habitat: Pacific coastal forests
Elevation: 0–900m

Distribution

V2 638-distribution-map.gif

B.C., Alaska, Calif., Oreg., Wash.

Discussion

Picea sitchensis intergrades extensively with P. glauca in the river inlets of north coastal British Columbia and coastal Alaska. The name P. × lutzii Little is applied to hybrids between the two species (R.Daubenmire 1968).

Sitka spruce (Picea sitchensis) is the state tree of Alaska.

Lower Taxa

None.
... more about "Picea sitchensis"
resinous +
Ronald J. Taylor +
(Bongard) Carrière +
conspicuous +
grayish brown;orangebrown +
persistent +
decurrent +
Pinus sitchensis +
reddish-brown +
conspicuous +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Sitka spruce +  and épinette de Sitka +
9 cm90 mm <br />0.09 m <br /> (10 cm100 mm <br />0.1 m <br />) +
5 cm50 mm <br />0.05 m <br /> (9 cm90 mm <br />0.09 m <br />) +
B.C. +, Alaska +, Calif. +, Oreg. +  and Wash. +
0–900m +
Pacific coastal forests +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
blue-green;light yellow-green +
persisting +
triangular +  and flattened +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not winged +  and 2-winged +
yellow +  and purple +
daubenmire1968a +
fibrous;woody +
arranged +  and overlapping +
persistent +
1.5 cm15 mm <br />0.015 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
elliptic +  and narrowly diamond-shaped +
12mm;16mm +
stalked +  and sessile +
grouped +  and solitary +
long-persistent +
ovoid +  and cylindric +
reduced;well-defined short +
Illustrated +  and Endemic +
Abies falcata +, Abies menziesii +, Picea falcata +, Picea menziesii +  and Pinus menziesii +
Picea sitchensis +
species +
decurrent +  and elongate +
pinkish brown +
not pendent +
reduced +