Picea abies |
Picea breweriana |
|
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Norway spruce, épinette de norvège |
Brewer spruce, weeping spruce |
|
Habit | Trees to 30m; trunk to 2m diam.; crown conic. | Trees to 40m; trunk to 1.5m diam., typically buttressed; crown conic. |
Bark | gray-brown, scaly. |
gray to brown. |
Branches | short and stout, the upper ascending, the lower drooping; twigs stout, reddish brown, usually glabrous. |
drooping; twigs pendent, elongate, slender, gray-brown, finely pubescent. |
Buds | reddish brown, 5–7mm, apex acute. |
gray-brown, 5–7mm, apex rounded. |
Leaves | 1–2.5cm, 4-angled in cross section, rigid, light to dark green, bearing stomates on all surfaces, apex blunt-tipped. |
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 (10–)12–16cm; scales diamond-shaped, widest near middle, 18–30 × 15–20mm, thin and flexuous, margin at apex erose to toothed, apex extending 6–10mm beyond seed-wing impression. |
cones 6.5–12cm; scales fan-shaped, 15–20 × 15–20mm, rigid, margin at apex entire to slightly erose. |
2n | =24. |
|
Picea abies |
Picea breweriana |
|
Habitat | Woods and persisting after cultivation. | Montane to subalpine forests of the Siskiyou Mountains |
Elevation | 1000–2300m (3300–7500ft) | |
Distribution |
MN; probably elsewhere; Europe [Introduced in North America]
|
CA; OR
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Discussion | Norway spruce, native to Europe, has become locally naturalized, at least in north central United States (and adjacent Canada). The species is the most widely cultivated spruce in North America; many cultivars exist, including dwarf shrubs. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 2, p. 370. | FNA vol. 2. |
Parent taxa | Pinaceae > Picea | Pinaceae > Picea |
Sibling taxa | ||
Synonyms | Pinus abies | |
Name authority | (Linnaeus) H. Karsten: Deut. Fl. 2/3: 324. (1881) | S. Watson: Proc. Amer. Acad. Arts 20: 378. (1885) |
Web links |