Pacific Island Ecosystems at Risk (PIER)

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Picea pungens
Engelm., Pinaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  yes

Risk assessment results:  Evaluate, score: 1 (Go to the risk assessment)

Common name(s): [more details]

English: blue spruce, Colorado blue spruce, Colorado spruce, silver spruce

French: épinette bleue

Spanish: pino real

Habit:  tree

Description:  "Trees to 50m; trunk to 1.5m diameter; crown broadly conic. Bark gray-brown. Branches slightly to strongly drooping; twigs not pendent, stout, yellow-brown, usually glabrous. Buds dark orange-brown, 6-12mm, apex rounded to acute. Leaves 1.6-3cm, 4-angled in cross section, rigid, blue-green, bearing stomates on all surfaces, apex spine-tipped. Seed cones (5-) 6-11 (-12)cm; scales elliptic to diamond-shaped, widest below middle, 15-22 x 10-15mm, rather stiff, margin at apex erose, apex extending 8-10mm beyond seed-wing impression"  (Flora of North America online).

Habitat/ecology:  In the United States (native), "midmontane forests; 1800-3000m"  (Flora of North America online).

Propagation:  Seed

Native range:  Rocky Mountains in the United States (GRIN); widely planted as an ornamental tree in temperate climates.

Presence:

Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
New Zealand
New Zealand
New Zealand (country) introduced
cultivated
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 49)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (except British Colombia)
Canada
Canada (country) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
United States (other states) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Arizona, Colorado, Idaho, New Mexico, Utah, Wyoming


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 3 SEP 2012 and was last updated on 27 SEP 2012.