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PINACEAE PINE FAMILY

J. Robert Haller, Nancy J. Vivrette, & James R. Griffin, except as noted

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

PICEA SPRUCE
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.
2n=24.
34 species: northern hemisphere. (Latin: pitch) Trunks, especially of Picea sitchensis, more flared or buttressed at base than other California conifers.

Key to Picea

P. engelmannii Engelm. ENGELMANN SPRUCE
NATIVE
Stem: trunk < 55 m, < 2.4 m wide; branches not drooping; young twigs ± hairy. Leaf: < 3 cm, rigid, 4-angled; adaxially, abaxially with 2 obvious, ± white bands; tip flat, acute, not sharp to touch. Seed cone: < 7 cm, ovoid-oblong; scale papery, margin ± jagged.
Cool, moist, mixed-conifer, subalpine forests; 1200–2100 m. Klamath Ranges, High Cascade Range; to British Columbia, in Rocky Mountains to New Mexico. ± 3 populations known in California. [Online Interchange] {CNPS list}

Previous taxon: Picea breweriana
Next taxon: Picea sitchensis

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 1 2014
Citation for this treatment: [Author of taxon treatment] 2013. Picea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=38180, accessed on Nov 1 2014

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Geographic subdivisions indicated for the distribution of Picea engelmannii Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.