Difference between revisions of "Pinus jeffreyi"
in A. Murray bis, Bot. Exped. Oregon 8: 2 plates. 1853.
Common names: Jeffrey pine
Synonyms: Pinus deflexa Torrey Pinus jeffreyi var. deflexa (Torrey) Lemmon Pinus ponderosa var. jeffreyi Balfour ex Vasey
Treatment appears in FNA Volume 2.
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|accepted_name=Pinus jeffreyi | |accepted_name=Pinus jeffreyi | ||
| − | |accepted_authority=Greville & Balfour | + | |accepted_authority=Greville & Balfour |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=in A. Murray bis,Bot. Exped. Oregon | + | |title=in A. Murray bis, Bot. Exped. Oregon |
|place=8: 2 plates. 1853 | |place=8: 2 plates. 1853 | ||
|year=1853 | |year=1853 | ||
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|name=Pinus deflexa | |name=Pinus deflexa | ||
|authority=Torrey | |authority=Torrey | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Pinus jeffreyi var. deflexa | |name=Pinus jeffreyi var. deflexa | ||
|authority=(Torrey) Lemmon | |authority=(Torrey) Lemmon | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Pinus ponderosa var. jeffreyi | |name=Pinus ponderosa var. jeffreyi | ||
|authority=Balfour ex Vasey | |authority=Balfour ex Vasey | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Pinaceae;Pinus;Pinus jeffreyi | |hierarchy=Pinaceae;Pinus;Pinus jeffreyi | ||
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}}<!-- | }}<!-- | ||
| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 61m; trunk to 2.5m diam., usually straight; crown conic to rounded. <b>Bark</b> yellow-brown to cinnamon, deeply furrowed and cross-checked, forming large irregular scaly plates. <b>Branches</b> spreading-ascending; twigs stout (to 2cm thick), purple-brown, often glaucous, aging rough. <b>Buds</b> ovoid, tan to pale red-brown, 2–3cm, not resinous; scale margins conspicuously fringed. <b>Leaves</b> 3 per fascicle, spreading-ascending, persisting (2–)4–6(–7) years, 12–22(–25)cm × ca. 1.5–2mm, slightly twisted, gray- to yellow-green, all surfaces with fine stomatal lines, margins finely serrulate, apex acute to acuminate; sheath (1–)1.5–2.5(–3)cm, base persistent. <b>Pollen</b> cones lance-cylindric, 20–35mm, yellow to yellow- or purple-brown or yellow. <b>Seed</b> cones maturing in 2 years, shedding seeds and falling soon thereafter, nearly terminal, spreading, slightly asymmetric at base, ovoid-conic before opening, cylindro-ovoid when open, (10–)15–30cm, light red-brown, nearly sessile or on stalks to 0.5cm, abaxial surface of scales not darker than or sharply contrasting in color with adaxial surface, scales in low spirals (as compared to <i>Pinus ponderosa</i>) of 8 or more per row as viewed from side, those of cones just prior to and after cone fall not so spreading and deflexed, thus not so much separated from adjacent scales; apophyses slightly thickened and raised, not keeled; umbo central, slightly raised, with short, slender, reflexed prickle. <b>Seeds</b> ellipsoid-obovoid; body ca. 1cm, brown or gray-brown, mottled darker; wing to 2.5cm. <b>2n</b> =24.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=2000–2500m | |elevation=2000–2500m | ||
|distribution=Calif.;Nev.;Oreg.;Mexico in Baja California. | |distribution=Calif.;Nev.;Oreg.;Mexico in Baja California. | ||
| − | |discussion=<p>Pinus jeffreyi has a form very similar to that of P. ponderosa, but it is a smaller species when compared with sympatric populations of the latter. It is cut and sold under the same name as P. ponderosa, but the sweetish odor of the fresh-cut wood contrasts sharply with the turpentine odor of ponderosa pine. The resin chemistry of the two species is significantly different.</p> | + | |discussion=<p><i>Pinus jeffreyi</i> has a form very similar to that of <i>P. ponderosa</i>, but it is a smaller species when compared with sympatric populations of the latter. It is cut and sold under the same name as <i>P. ponderosa</i>, but the sweetish odor of the fresh-cut wood contrasts sharply with the turpentine odor of ponderosa pine. The resin chemistry of the two species is significantly different.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Pinus jeffreyi | name=Pinus jeffreyi | ||
| − | + | |authority=Greville & Balfour | |
| − | |authority=Greville & Balfour | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|distribution=Calif.;Nev.;Oreg.;Mexico in Baja California. | |distribution=Calif.;Nev.;Oreg.;Mexico in Baja California. | ||
|reference=None | |reference=None | ||
| − | |publication title=in A. Murray bis,Bot. Exped. Oregon | + | |publication title=in A. Murray bis, Bot. Exped. Oregon |
|publication year=1853 | |publication year=1853 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_779.xml |
|genus=Pinus | |genus=Pinus | ||
|species=Pinus jeffreyi | |species=Pinus jeffreyi | ||
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-->[[Category:Treatment]][[Category:Pinus]] | -->[[Category:Treatment]][[Category:Pinus]] | ||
Latest revision as of 21:25, 5 November 2020
Trees to 61m; trunk to 2.5m diam., usually straight; crown conic to rounded. Bark yellow-brown to cinnamon, deeply furrowed and cross-checked, forming large irregular scaly plates. Branches spreading-ascending; twigs stout (to 2cm thick), purple-brown, often glaucous, aging rough. Buds ovoid, tan to pale red-brown, 2–3cm, not resinous; scale margins conspicuously fringed. Leaves 3 per fascicle, spreading-ascending, persisting (2–)4–6(–7) years, 12–22(–25)cm × ca. 1.5–2mm, slightly twisted, gray- to yellow-green, all surfaces with fine stomatal lines, margins finely serrulate, apex acute to acuminate; sheath (1–)1.5–2.5(–3)cm, base persistent. Pollen cones lance-cylindric, 20–35mm, yellow to yellow- or purple-brown or yellow. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, nearly terminal, spreading, slightly asymmetric at base, ovoid-conic before opening, cylindro-ovoid when open, (10–)15–30cm, light red-brown, nearly sessile or on stalks to 0.5cm, abaxial surface of scales not darker than or sharply contrasting in color with adaxial surface, scales in low spirals (as compared to Pinus ponderosa) of 8 or more per row as viewed from side, those of cones just prior to and after cone fall not so spreading and deflexed, thus not so much separated from adjacent scales; apophyses slightly thickened and raised, not keeled; umbo central, slightly raised, with short, slender, reflexed prickle. Seeds ellipsoid-obovoid; body ca. 1cm, brown or gray-brown, mottled darker; wing to 2.5cm. 2n =24.
Habitat: High, dry montane forests mostly above the Pinus ponderosa zone
Elevation: 2000–2500m
Distribution
Calif., Nev., Oreg., Mexico in Baja California.
Discussion
Pinus jeffreyi has a form very similar to that of P. ponderosa, but it is a smaller species when compared with sympatric populations of the latter. It is cut and sold under the same name as P. ponderosa, but the sweetish odor of the fresh-cut wood contrasts sharply with the turpentine odor of ponderosa pine. The resin chemistry of the two species is significantly different.
Selected References
None.
Lower Taxa
None.