Difference between revisions of "Pinus coulteri"
Trans. Linn. Soc. London, Bot. 17: 440. 1836.
Common names: Coulter pine
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 24m; trunk to 1m diam., straight to contorted; crown broad, thin, irregular. <b>Bark</b> dark gray-brown to near black, deeply furrowed, with long, scaly, irregularly anastomosing, rounded ridges. <b>Branches</b> often ascending; twigs stout to moderately slender, violet-brown, often glaucous, aging gray-brown, rough. <b>Buds</b> ovoid, deep red-brown, 1.5(–3)cm, resinous; scale margins white-fringed, apex cuspidate. <b>Leaves</b> 3 per fascicle, slightly spreading, not drooping, mostly ascending in a brush, persisting 3–4 years, 15–30cm × ca. 2mm, slightly curved or straight, twisted, dusty gray-green, all surfaces with pale, fine stomatal lines, margins serrulate, apex abruptly subulate; sheath 2–4cm, base persistent. <b>Pollen</b> cones ovoid to cylindric, to 25mm, light purple-brown, aging orange-brown. <b>Seed</b> cones maturing in 2 years, gradually shedding seeds thereafter and moderately persistent, massive, heavy, drooping, asymmetric at base, narrowly ovoid before opening, ovoid-cylindric when open, 20–35cm, pale yellow-brown, resinous, stalks to 3cm; apophyses transverse-rhombic, strongly and sharply cross-keeled, elongate, curved, continuous with umbos to form long, upcurved claws 2.5–3cm. <b>Seeds</b> obovoid; body 15–22mm, dark brown; wing to 25mm. <b>2n</b> =24.</span><!-- |
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|elevation=300–2100m | |elevation=300–2100m | ||
|distribution=Calif.;Mexico in Baja California. | |distribution=Calif.;Mexico in Baja California. | ||
| − | |discussion=<p>Pinus coulteri is the heaviest-coned pine; one who seeks its shade should wear a hardhat.</p> | + | |discussion=<p><i>Pinus coulteri</i> is the heaviest-coned pine; one who seeks its shade should wear a hardhat.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Pinus coulteri | name=Pinus coulteri | ||
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|authority=D. Don | |authority=D. Don | ||
|rank=species | |rank=species | ||
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|publication year=1836 | |publication year=1836 | ||
|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_672.xml |
|genus=Pinus | |genus=Pinus | ||
|species=Pinus coulteri | |species=Pinus coulteri | ||
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-->[[Category:Treatment]][[Category:Pinus]] | -->[[Category:Treatment]][[Category:Pinus]] | ||
Latest revision as of 20:24, 5 November 2020
Trees to 24m; trunk to 1m diam., straight to contorted; crown broad, thin, irregular. Bark dark gray-brown to near black, deeply furrowed, with long, scaly, irregularly anastomosing, rounded ridges. Branches often ascending; twigs stout to moderately slender, violet-brown, often glaucous, aging gray-brown, rough. Buds ovoid, deep red-brown, 1.5(–3)cm, resinous; scale margins white-fringed, apex cuspidate. Leaves 3 per fascicle, slightly spreading, not drooping, mostly ascending in a brush, persisting 3–4 years, 15–30cm × ca. 2mm, slightly curved or straight, twisted, dusty gray-green, all surfaces with pale, fine stomatal lines, margins serrulate, apex abruptly subulate; sheath 2–4cm, base persistent. Pollen cones ovoid to cylindric, to 25mm, light purple-brown, aging orange-brown. Seed cones maturing in 2 years, gradually shedding seeds thereafter and moderately persistent, massive, heavy, drooping, asymmetric at base, narrowly ovoid before opening, ovoid-cylindric when open, 20–35cm, pale yellow-brown, resinous, stalks to 3cm; apophyses transverse-rhombic, strongly and sharply cross-keeled, elongate, curved, continuous with umbos to form long, upcurved claws 2.5–3cm. Seeds obovoid; body 15–22mm, dark brown; wing to 25mm. 2n =24.
Habitat: Dry rocky slopes, flats, ridges, and chaparral, transitional to oak-pine woodland
Elevation: 300–2100m
Distribution
Calif., Mexico in Baja California.
Discussion
Pinus coulteri is the heaviest-coned pine; one who seeks its shade should wear a hardhat.
Selected References
None.
Lower Taxa
None.