View source for Pinus monophylla

{{Treatment/ID
|accepted_name=Pinus monophylla
|accepted_authority=Torrey & Frémont in Frémont
|publications={{Treatment/Publication
|title=in Frémont,Rep. Exped. Rocky Mts.
|place=2: 319, plate 4. 1845
|year=1845
}}
|common_names=Singleleaf pinyon;piñón
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Caryopitys monophylla
|authority=(Torrey & Frémont) Rydberg
}}{{Treatment/ID/Synonym
|name=Pinus californiarum
|authority=D.K.Bailey
}}{{Treatment/ID/Synonym
|name=Pinus cembroides var. monophylla
|authority=(Torrey & Frémont) Voss
}}
|hierarchy=Pinaceae;Pinus;Pinus monophylla
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pinaceae]]</div><div class="higher-taxon"><small>genus</small>[[Pinus]]</div><div class="higher-taxon"><small>species</small>[[Pinus monophylla]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 14m; trunk to 0.5m diam., strongly tapering, much branched; crown usually rounded, dense. <b>Bark</b> red-brown, irregularly furrowed or cross-checked, scaly. <b>Branches</b> spreading and ascending, persistent to near trunk base; twigs stout, orange-brown, aging brown to gray, sometimes sparsely puberulent. <b>Buds</b> ellipsoid, light red-brown, 0.5–0.7cm, resinous; scale margins fringed. <b>Leaves</b> 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. <b>Pollen</b> cones ellipsoid, ca. 10mm, yellow. <b>Seed</b> 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. <b>Seeds</b> cylindric-ellipsoid; body 15–20mm, gray-brown to brown, wingless. <b>2n</b> =24.</span><!--

-->{{Treatment/Body
|habitat=Dry low-montane or foothill pinyon-juniper woodland
|elevation=1000–2300m
|distribution=Ariz.;Calif.;Idaho;Nev.;Utah;Mexico in Baja California.
|discussion=<p>Pinus monophylla hybridizes with P. edulis and P. quadrifolia.</p><!--
--><p>Singleleaf pinyon (Pinus monophylla) is the state tree of Nevada.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Pinus monophylla
|author=
|authority=Torrey & Frémont in Frémont
|rank=species
|parent rank=genus
|synonyms=Caryopitys monophylla;Pinus californiarum;Pinus cembroides var. monophylla
|basionyms=
|family=Pinaceae
|habitat=Dry low-montane or foothill pinyon-juniper woodland
|elevation=1000–2300m
|distribution=Ariz.;Calif.;Idaho;Nev.;Utah;Mexico in Baja California.
|reference=None
|publication title=in Frémont,Rep. Exped. Rocky Mts.
|publication year=1845
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_55.xml
|genus=Pinus
|species=Pinus monophylla
}}<!--

-->[[Category:Treatment]][[Category:Pinus]]