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Pseudotsuga menziesii var. menziesii
DOUGLAS-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: PseudotsugaView DescriptionDichotomous Key

Stem: young crown conic; branches +- whorled in young pls, smaller +- drooping; young bark smooth, with resin blisters, mature thick, deep-furrowed, dark brown; twig without persistent, peg-like leaf bases; leaf scars +- smooth, +- elliptic; bud < 15 mm, fusiform. Leaf: persistent < 8 years, 2--4.5 cm, tapered to a short petiole above persistent base, +- spreading, +- flat, with 2 +- white bands abaxially. Seed Cone: pendent, 4--20 cm, maturing 1st year, persistent or not; stalk < 2 cm; bract exserted, 3-toothed or -lobed, free from scale. Seed: plus wing < 25 mm.
Species In Genus: 4 species: North America, Asia. Etymology: (Latin, Japanese: false hemlock)

Pseudotsuga menziesii (Mirb.) Franco var. menziesii
NATIVE
Stem: trunk < 67 m, < 4.4 m wide; mature crown rounded; upper branches large. Leaf: 2--4 cm. Seed Cone: deciduous; bracts well exserted. Chromosomes: 2n=26.
Ecology: Widespread in mixed-evergreen, mixed-conifer forests; Elevation: < 2200 m. Bioregional Distribution: KR, NCoR, CaRH, n&c SNH, CCo, SnFrB, SCoRO; Distribution Outside California: to southwestern British Columbia.
Unabridged Note: In Scottish, Menzies pronounced "Mingis," with the "g" spoken as in "singer".
eFlora Treatment Author: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin
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botanical illustration including Pseudotsuga menziesii var. menziesii

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Citation for this treatment: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin 2016. Pseudotsuga menziesii var. menziesii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=64553, accessed on December 03, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 03, 2016.


Pseudotsuga menziesii var. menziesii
click for enlargement
© 2008 Keir Morse
Pseudotsuga menziesii var. menziesii
click for enlargement
© 2008 Keir Morse
Pseudotsuga menziesii var. menziesii
click for enlargement
© 2007 Neal Kramer
Pseudotsuga menziesii var. menziesii
click for enlargement
© 2008 Keir Morse
Pseudotsuga menziesii var. menziesii
click for enlargement
© 2008 Keir Morse
Pseudotsuga menziesii var. menziesii
click for enlargement
© 2007 Neal Kramer

More photos of Pseudotsuga menziesii var. menziesii in CalPhotos


Geographic subdivisions for Pseudotsuga menziesii var. menziesii:
KR, NCoR, CaRH, n&c SNH, CCo, SnFrB, SCoRO;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.