Show Lower Taxa
Difference between revisions of "Pseudotsuga menziesii"
Bol. Soc. Brot. ser. 2, 24: 74. 1950.
Common names: Douglas-fir Oregon-pine sapin de Douglas
Basionym: Abies menziesii Mirbel Mém. Mus. Hist. Nat. 13: 63, 70. 1825 Abies taxifolia Poiret 1805, Pinus taxifolia Lambert 1803,
Synonyms: Abies mucronata Rafinesque Pseudotsuga douglasii (Lindley) Carrière Pseudotsuga mucronata (Rafinesque) Sudworth Pseudotsuga taxifolia (Lambert) Britton
Treatment appears in FNA Volume 2.
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|common_names=Douglas-fir;Oregon-pine;sapin de Douglas | |common_names=Douglas-fir;Oregon-pine;sapin de Douglas | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Abies menziesii | |name=Abies menziesii | ||
|authority=Mirbel | |authority=Mirbel | ||
| − | }} {{Treatment/ID/ | + | |publication_title=Mém. Mus. Hist. Nat. |
| + | |publication_place=13: 63, 70. 1825 | ||
| + | }} {{Treatment/ID/Basionym | ||
|name=Abies taxifolia | |name=Abies taxifolia | ||
|authority=Poiret | |authority=Poiret | ||
| − | }} {{Treatment/ID/ | + | |publication_title= |
| + | |publication_place=1805, | ||
| + | }} {{Treatment/ID/Basionym | ||
|name=Pinus taxifolia | |name=Pinus taxifolia | ||
|authority=Lambert | |authority=Lambert | ||
| + | |publication_title= | ||
| + | |publication_place=1803, | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1950 | |publication year=1950 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V2/V2_532.xml |
|genus=Pseudotsuga | |genus=Pseudotsuga | ||
|species=Pseudotsuga menziesii | |species=Pseudotsuga menziesii | ||
Revision as of 18:56, 24 September 2019
Trees to 90(–100)m; trunk to 4.4m diam.; crown narrow to broadly conic, flattened in age. Twigs slender, pubescent, becoming glabrous with age. Leaves 15–30(–40) × 1–1.5mm, yellow-green to dark or bluish green, apex obtuse to acute. Pollen cones yellow-red. Seed cones 4–10 × 3–3.5cm. Seeds 5–6mm, wing longer than seed body.
Distribution
North America, Mexico.
Discussion
Pseudotsuga menziesii is a most important timber tree, valued in both the Old and New worlds. The two intergrading varieties are sympatric in southern British Columbia and northeastern Washington.
Douglas-fir (Pseudotsuga menziesii) is the state tree of Oregon.
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Bracts straight, appressed; seed cones 6-10 cm; leaves yellowish green; Pacific Coast region. | Pseudotsuga menziesii var. menziesii |
| 1 | Bracts spreading, often reflexed; seed cones 4-7 cm; leaves bluish green to dark green or gray-green; Rocky Mountain region. | Pseudotsuga menziesii var. glauca |