EcoFlora - Picea abies

Picea abies (L.) H. Karst.
Family: Pinaceae Norway Spruce [Picea excelsa (Lam.) Link, more] Haley Zeliff	FNA Gleason & Cronquist Resources Ronald J. Taylor from Flora of North America (vol. 2) Trees to 30m; trunk to 2m diam.; crown conic. Bark gray-brown, scaly. Branches short and stout, the upper ascending, the lower drooping; twigs stout, reddish brown, usually glabrous. Buds reddish brown, 5--7mm, apex acute. Leaves 1--2.5cm, 4-angled in cross section, rigid, light to dark green, bearing stomates on all surfaces, apex blunt-tipped. 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. 2 n =24. 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. Vascular plants of NE US and adjacent Canada With cones 10-15 cm, occasionally escapes locally from cult. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
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