Jepson eFlora: Taxon page
Vascular Plants of California
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Abies concolor
WHITE FIR


Higher Taxonomy
Family: PinaceaeView DescriptionDichotomous Key
Common Name: PINE FAMILY
Habit: 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.
Genera In Family: 10 genera, 193 species: generally northern hemisphere; many of great commercial value, supplying > 1/2 of world's timber.
eFlora Treatment Author: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin, except as noted
Scientific Editor: Thomas J. Rosatti, Bruce G. Baldwin.
Genus: AbiesView DescriptionDichotomous Key


Common Name: FIR
Stem: young bark smooth, with resin blisters, mature bark generally thick, deeply furrowed; young branches appearing whorled; twig without persistent, peg-like leaf bases, glabrous or hairy; leaf scars smooth, +- round to elliptic; bud generally +- spheric, generally < 1 cm, +- resinous. Leaf: 2--9 cm, sessile, twisted at base to be 2-ranked, often upcurved on upper twigs, generally +- flat; adaxially with 2 +- faint, longitudinal, +- white bands or not, midrib depressed or not; abaxially with 2 +- white bands or not, midrib ridge-like or not Seed Cone: erect, < 23 cm, maturing 1st year; stalk generally 0; bracts, scales deciduous; bract included or exserted, +- free from scale; axis persistent on stem, ultimately falling. Seed: with obvious resin deposits on surface; wing < 2.5 cm. Chromosomes: 2n=24.
Species In Genus: 39 species: northern hemisphere. Etymology: (Latin: silver fir)
Reference: Xiang et al. 2009 Taxon 58:141--152
Unabridged Reference: Vasek 1985 Madroño 32:65--77
Abies concolor (Gordon & Glend.) Lindl. ex Hildebr.
NATIVE
Stem: trunk < 61 m, < 2.7 m wide; mature crown rounded; bark white-gray in youth, gray-brown to +- black, thick, deep-furrowed, with alternate dark, light layers in age; twig glabrous; bud resinous. Leaf: +- 2-ranked on lower branches, twisted upward on higher, 3--9 cm, +- flat; adaxial +- white bands 0; tip generally blunt or acute. Seed Cone: 7--13 cm; stalk < 5 mm; bract included.
Ecology: Mixed-conifer to lower red-fir forest; Elevation: 900--3100 m. Bioregional Distribution: KR, NCoR, CaRH, SNH, Teh, TR, PR, MP, n SNE, DMtns; Distribution Outside California: to central Oregon, Idaho, Colorado, northern Baja California. Note: Further study needed: most California, some Rocky Mountains plants would be called Abies concolor var. lowiana (Gordon) Lemmon were that taxon recognized; relationship of southern California plants (especially from DMtns) to generally Rocky Mtns Abies concolor var. concolor.
Synonyms: Abies lowiana (Gordon) A. Murray bis
Jepson eFlora Author: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin
Reference: Xiang et al. 2009 Taxon 58:141--152
Unabridged Reference: Vasek 1985 Madroño 32:65--77
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Botanical illustration including Abies concolor

botanical illustration including Abies concolor

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Citation for this treatment: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin 2012, Abies concolor, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=11524, accessed on June 19, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on June 19, 2019.

Abies concolor
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© 2012 Gary A. Monroe
Abies concolor
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© 2012 Barry Rice
Abies concolor
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© 2012 Gary A. Monroe
Abies concolor
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© 2015 Keir Morse
Abies concolor
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© 2015 Keir Morse
Abies concolor subsp. concolor
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© 2007 California Academy of Sciences

More photos of Abies concolor subsp. concolor in CalPhotos



Geographic subdivisions for Abies concolor:
KR, NCoR, CaRH, SNH, Teh, TR, PR, MP, n SNE, DMtns
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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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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.