Difference between revisions of "Taxus brevifolia"
N. Amer. Sylv. 3: 86, plate 108. 1849.
Common names: Pacific yew
Endemic
Synonyms: Taxus baccata subsp. brevifolia (Nuttall) Pilger Taxus baccata var. brevifolia (Nuttall) Koehne Taxus baccata var. canadensis Bentham Taxus bourcieri Taxus lindleyana
Treatment appears in FNA Volume 2.
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|common_names=Pacific yew | |common_names=Pacific yew | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Taxus baccata subsp. brevifolia | |name=Taxus baccata subsp. brevifolia | ||
|authority=(Nuttall) Pilger | |authority=(Nuttall) Pilger | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=subspecies |
| + | }} {{Treatment/ID/Synonym | ||
|name=Taxus baccata var. brevifolia | |name=Taxus baccata var. brevifolia | ||
|authority=(Nuttall) Koehne | |authority=(Nuttall) Koehne | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Taxus baccata var. canadensis | |name=Taxus baccata var. canadensis | ||
|authority=Bentham | |authority=Bentham | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Taxus bourcieri | |name=Taxus bourcieri | ||
| − | |authority= | + | |authority= |
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Taxus lindleyana | |name=Taxus lindleyana | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Taxaceae;Taxus;Taxus brevifolia | |hierarchy=Taxaceae;Taxus;Taxus brevifolia | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or small trees to 15(–25) m, dioecious; trunk to 6(–12) dm diam., straight to contorted, fluted; crown open-conical. <b>Bark</b> scaly, outer scales purplish to purplish brown, inner ones reddish to reddish purple. <b>Branches</b> horizontal to drooping. <b>Leaves</b> 1–2.9 cm × 1–3 mm, pale green abaxially, cuticular papillae present along stomatal bands, shiny yellow-green adaxially, epidermal cells as viewed in cross section of leaf mostly taller than wide. <b>Seed</b> ovoid, 2–4-angled, 5–6.5 mm.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Seeds maturing late summer–fall. | ||
|habitat=Open to dense forests, along streams, moist flats, slopes, deep ravines, and coves | |habitat=Open to dense forests, along streams, moist flats, slopes, deep ravines, and coves | ||
|elevation=0–2200 m | |elevation=0–2200 m | ||
|distribution=Alta.;B.C.;Alaska;Calif.;Idaho;Mont.;Oreg.;Wash. | |distribution=Alta.;B.C.;Alaska;Calif.;Idaho;Mont.;Oreg.;Wash. | ||
| − | |discussion=<p>The name Taxus baccata Hooker has been misapplied to this species.</p><!-- | + | |discussion=<p>The name <i>Taxus</i> baccata Hooker has been misapplied to this species.</p><!-- |
| − | --><p>The leaves of Taxus brevifolia are usually somewhat falcate.</p><!-- | + | --><p>The leaves of <i>Taxus brevifolia</i> are usually somewhat falcate.</p><!-- |
| − | --><p>The wood of Taxus brevifolia is hard and durable, yet easily worked, making it popular for construction of novelty items by local woodworkers. Because of this, large trees are unscrupulously poached; in some areas the species has been nearly extirpated. The bark of the tree is a promising natural source of taxol, a drug for treating various cancers; exploitation of the species for medicinal purposes is further threatening it.</p> | + | --><p>The wood of <i>Taxus brevifolia</i> is hard and durable, yet easily worked, making it popular for construction of novelty items by local woodworkers. Because of this, large trees are unscrupulously poached; in some areas the species has been nearly extirpated. The bark of the tree is a promising natural source of taxol, a drug for treating various cancers; exploitation of the species for medicinal purposes is further threatening it.</p> |
|tables= | |tables= | ||
|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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name=Taxus brevifolia | name=Taxus brevifolia | ||
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|authority=Nuttall | |authority=Nuttall | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Taxaceae | |family=Taxaceae | ||
| + | |phenology=Seeds maturing late summer–fall. | ||
|habitat=Open to dense forests, along streams, moist flats, slopes, deep ravines, and coves | |habitat=Open to dense forests, along streams, moist flats, slopes, deep ravines, and coves | ||
|elevation=0–2200 m | |elevation=0–2200 m | ||
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|publication title=N. Amer. Sylv. | |publication title=N. Amer. Sylv. | ||
|publication year=1849 | |publication year=1849 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_809.xml |
|genus=Taxus | |genus=Taxus | ||
|species=Taxus brevifolia | |species=Taxus brevifolia | ||
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Latest revision as of 20:25, 5 November 2020
Shrubs or small trees to 15(–25) m, dioecious; trunk to 6(–12) dm diam., straight to contorted, fluted; crown open-conical. Bark scaly, outer scales purplish to purplish brown, inner ones reddish to reddish purple. Branches horizontal to drooping. Leaves 1–2.9 cm × 1–3 mm, pale green abaxially, cuticular papillae present along stomatal bands, shiny yellow-green adaxially, epidermal cells as viewed in cross section of leaf mostly taller than wide. Seed ovoid, 2–4-angled, 5–6.5 mm.
Phenology: Seeds maturing late summer–fall.
Habitat: Open to dense forests, along streams, moist flats, slopes, deep ravines, and coves
Elevation: 0–2200 m
Distribution
Alta., B.C., Alaska, Calif., Idaho, Mont., Oreg., Wash.
Discussion
The name Taxus baccata Hooker has been misapplied to this species.
The leaves of Taxus brevifolia are usually somewhat falcate.
The wood of Taxus brevifolia is hard and durable, yet easily worked, making it popular for construction of novelty items by local woodworkers. Because of this, large trees are unscrupulously poached; in some areas the species has been nearly extirpated. The bark of the tree is a promising natural source of taxol, a drug for treating various cancers; exploitation of the species for medicinal purposes is further threatening it.
Selected References
Lower Taxa
None.