Picea breweriana

S. Watson

Proc. Amer. Acad. Arts 20: 378. 1885.

Common names: Brewer spruce weeping spruce
IllustratedEndemic
Treatment appears in FNA Volume 2.
Revision as of 23:22, 29 July 2020 by imported>Volume Importer
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Trees to 40m; trunk to 1.5m diam., typically buttressed; crown conic. Bark gray to brown. Branches drooping; twigs pendent, elongate, slender, gray-brown, finely pubescent. Buds gray-brown, 5–7mm, apex rounded. Leaves 1.5–3cm, flattened or broadly triangular in cross-section (abaxial surface rounded or slightly angular), rather rigid, abaxial surface dark green with stomatal bands absent, adaxial surface glaucous with conspicuous stomatal bands separated by slight ridge or angle, apex blunt (especially on older leaves). Seed-cones 6.5–12cm; scales fan-shaped, 15–20 × 15–20mm, rigid, margin at apex entire to slightly erose.


Habitat: Montane to subalpine forests of the Siskiyou Mountains
Elevation: 1000–2300m

Discussion

Lower Taxa

None.
... more about "Picea breweriana"
entire;slightly erose +
resinous +
blunt +  and rounded +
Ronald J. Taylor +
S. Watson +
conspicuous +
gray;brown +
persistent +
decurrent +
gray-brown +
conspicuous +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Brewer spruce +  and weeping spruce +
6.5 cm65 mm <br />0.065 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Calif. +  and Oreg. +
1000–2300m +
Montane to subalpine forests of the Siskiyou Mountains +
persisting +
triangular +  and flattened +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 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 +
Proc. Amer. Acad. Arts +
waring1975a +
fibrous;woody +
arranged +  and overlapping +
persistent +
fan--shaped +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
stalked +  and sessile +
grouped +  and solitary +
long-persistent +
ovoid +  and cylindric +
reduced;well-defined short +
Illustrated +  and Endemic +
Picea breweriana +
species +
decurrent +  and elongate +
gray-brown +
elongate +
slender +
reduced +