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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Shrub, tree, evergreen; monoecious. Stem: young crown conic; twig not grooved, resinous, generally persistent. Leaf: simple, generally alternate, sometimes in bundles or appearing ± 2-ranked, linear or awl-like; base decurrent, woody or not, persistent several years. Pollen cone: generally < 6 cm, not woody, deciduous. Seed cone: generally woody; bracts, scales generally persistent; scale not peltate, fused to or free from subtending bract. Seed: 2, on scale base adaxially.
10 genera, 193 species: generally northern hemisphere; many of great commercial value, supplying > 1/2 of world's timber. —Scientific Editors: Thomas J. Rosatti, Bruce G. Baldwin.
Unabridged references: [Thieret 1993 FNANM 2:352–398]
Key to Pinaceae
Stem: crown conic; young branches appearing whorled, drooping or not; bark thin, scaly; twig with persistent, peg-like, spreading, < 2 mm leaf bases, glabrous or hairy; bud conic to ovoid, resinous. Leaf: often crowded toward upper side of twigs, generally < 3 cm, sessile, ± 4-angled or flat, stiff, often strong-smelling when crushed. Seed cone: conspicuously terminal or not, pendent, 5–12 cm, maturing 1st year; stalk 0–1 cm; bract included, ± free from scale. Seed: wing terminal.Key to Picea
34 species: northern hemisphere. (Latin: pitch) Trunks, especially of Picea sitchensis, more flared or buttressed at base than other California conifers.
Stem: trunk < 53 m, < 1.3 m wide; branches drooping, to ground or not; twig hairy. Leaf: < 3 cm, flexible; adaxially ± flat, generally with 2 faint, ± white bands; tip blunt. Seed cone: < 12 cm, oblong; scale woody, margin ± entire; bract < 1/4 scale.
Uncommon. Cool, moist, forested slopes; 560–2300 m. Klamath Ranges; southwestern Oregon. [Online Interchange]
Previous taxon: Picea
Next taxon: Picea engelmannii
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 11 2014
Citation for this treatment: [Author of taxon treatment] 2012. Picea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=38179, accessed on Mar 11 2014
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