Difference between revisions of "Pinus monophylla"
in Frémont,Rep. Exped. Rocky Mts. 2: 319, plate 4. 1845.
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|name=Caryopitys monophylla | |name=Caryopitys monophylla | ||
|authority=(Torrey & Frémont) Rydberg | |authority=(Torrey & Frémont) Rydberg | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Pinus californiarum | |name=Pinus californiarum | ||
|authority=D.K.Bailey | |authority=D.K.Bailey | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Pinus cembroides var. monophylla | |name=Pinus cembroides var. monophylla | ||
|authority=(Torrey & Frémont) Voss | |authority=(Torrey & Frémont) Voss | ||
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|elevation=1000–2300m | |elevation=1000–2300m | ||
|distribution=Ariz.;Calif.;Idaho;Nev.;Utah;Mexico in Baja California. | |distribution=Ariz.;Calif.;Idaho;Nev.;Utah;Mexico in Baja California. | ||
| − | |discussion=<p>Pinus monophylla hybridizes with P. edulis and P. quadrifolia.</p><!-- | + | |discussion=<p><i>Pinus monophylla</i> hybridizes with <i>P. edulis</i> and <i>P. quadrifolia</i>.</p><!-- |
| − | --><p>Singleleaf pinyon (Pinus monophylla) is the state tree of Nevada.</p> | + | --><p>Singleleaf pinyon (<i>Pinus monophylla</i>) is the state tree of <i>Nevada</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1845 | |publication year=1845 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V2/V2_55.xml |
|genus=Pinus | |genus=Pinus | ||
|species=Pinus monophylla | |species=Pinus monophylla | ||
Revision as of 15:49, 18 September 2019
Trees to 14m; trunk to 0.5m diam., strongly tapering, much branched; crown usually rounded, dense. Bark red-brown, irregularly furrowed or cross-checked, scaly. Branches spreading and ascending, persistent to near trunk base; twigs stout, orange-brown, aging brown to gray, sometimes sparsely puberulent. Buds ellipsoid, light red-brown, 0.5–0.7cm, resinous; scale margins fringed. Leaves 1(–2) per fascicle, ascending, persisting 4–6(–10) years, 2–6cm × 1.3–2(–2.5)mm, curved, terete (though often 2-grooved), gray-green, all surfaces with stomatal lines, margins entire, apex subulate; sheath 0.5–1cm, scales soon recurved, forming rosette, shed early. Pollen cones ellipsoid, ca. 10mm, yellow. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, ovoid before opening, broadly depressed-ovoid to nearly globose when open, 4–6(–8)cm, pale yellow-brown, nearly sessile; apophyses thickened, slightly raised; umbo subcentral, raised or depressed, nearly truncate, apiculate. Seeds cylindric-ellipsoid; body 15–20mm, gray-brown to brown, wingless. 2n =24.
Habitat: Dry low-montane or foothill pinyon-juniper woodland
Elevation: 1000–2300m
Distribution
Ariz., Calif., Idaho, Nev., Utah, Mexico in Baja California.
Discussion
Pinus monophylla hybridizes with P. edulis and P. quadrifolia.
Singleleaf pinyon (Pinus monophylla) is the state tree of Nevada.
Selected References
None.