Difference between revisions of "Picea rubens"
Silva 12: 33, plate 597. 1898.
Common names: Red spruce épinette rouge
Basionym: Picea rubra (DuRoi) Link
Synonyms: Picea australis SmallPicea nigra var. rubra (DuRoi) Engelmann
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 40m; trunk to 1m diam.; crown narrowly conic. <b>Bark</b> gray-brown to reddish brown. <b>Branches</b> horizontally spreading; twigs not pendent, rather stout, yellow-brown, densely pubescent to glabrate. <b>Buds</b> reddish brown, 5–8mm, apex acute. <b>Leaves</b> 0.8–2.5(–3)cm, 4-angled in cross section, somewhat flexuous, yellow-green to dark green, not glaucous, bearing stomates on all surfaces, apex mostly acute to sharp-pointed. <b>Seed</b> cones 2.3–4.5(–5)cm; scales broadly fan-shaped, broadest near apex, 8–12 × 8–12mm, stiff, margin at apex entire to irregularly toothed. <b>2n</b> =24.</span><!-- |
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|genus=Picea | |genus=Picea | ||
|species=Picea rubens | |species=Picea rubens | ||
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Revision as of 14:17, 27 July 2019
Trees to 40m; trunk to 1m diam.; crown narrowly conic. Bark gray-brown to reddish brown. Branches horizontally spreading; twigs not pendent, rather stout, yellow-brown, densely pubescent to glabrate. Buds reddish brown, 5–8mm, apex acute. Leaves 0.8–2.5(–3)cm, 4-angled in cross section, somewhat flexuous, yellow-green to dark green, not glaucous, bearing stomates on all surfaces, apex mostly acute to sharp-pointed. Seed cones 2.3–4.5(–5)cm; scales broadly fan-shaped, broadest near apex, 8–12 × 8–12mm, stiff, margin at apex entire to irregularly toothed. 2n =24.
Habitat: Upper montane to subalpine forests
Elevation: 0–2000m
Distribution
St. Pierre and Miquelon, N.B., N.S., Ont., P.E.I., Que., Conn., Maine, Md., Mass., N.H., N.J., N.Y., N.C., Pa., Tenn., Vt., Va., W.Va.
Discussion
Throughout the Appalachians, trees of Picea rubens are dying, possibly as a consequence of environmental pollution. In eastern Canada this species hybridizes to a limited extent with P. mariana (A.G. Gordon 1976).
Red spruce (Picea rubens) is the provincial tree of Nova Scotia.
Selected References
Lower Taxa
None.