Difference between revisions of "Pinus engelmannii"
3: 227. 1854.
Common names: Apache pine
Basionym: Pinus macrophylla Engelmann in Wislizenus 1848,
Synonyms: Pinus apacheca Lemmon Pinus latifolia Sargent
Treatment appears in FNA Volume 2.
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|common_names=Apache pine | |common_names=Apache pine | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Pinus macrophylla | |name=Pinus macrophylla | ||
|authority=Engelmann | |authority=Engelmann | ||
| + | |rank=species | ||
| + | |publication_title=in Wislizenus | ||
| + | |publication_place=1848, | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Pinus apacheca | |name=Pinus apacheca | ||
|authority=Lemmon | |authority=Lemmon | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Pinus latifolia | |name=Pinus latifolia | ||
|authority=Sargent | |authority=Sargent | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Pinaceae;Pinus;Pinus engelmannii | |hierarchy=Pinaceae;Pinus;Pinus engelmannii | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 35m; trunk to 0.6m diam., straight; crown irregularly rounded, rather thin. <b>Bark</b> dark brown, at maturity deeply furrowed, ridges becoming yellowish, of narrow, elongate, scaly plates. <b>Branches</b> straight to ascending; twigs stout (1–2cm thick), pale gray-brown, aging darker brown, rough. <b>Buds</b> ovoid-conic, to 2cm, resinous; scale margins pale fringed. <b>Leaves</b> 3(–5) per fascicle, spreading-ascending, often drooping, forming a brush at twig tips, persisting 2 years, (20–)25–45cm × 2mm, dull green, all surfaces with fine stomatal lines, margins coarsely serrulate, apex conic-subulate; sheath 3–4cm, base persistent. <b>Pollen</b> cones cylindric, ca. 25mm, yellow to yellow-brown. <b>Seed</b> cones maturing in 2 years and shedding seeds soon thereafter, not persistent, terminal, sometimes curved, often asymmetric, lance-ovoid before opening, ovoid when open, 11–14cm, light dull brown, nearly sessile or short-stalked; apophyses rhombic, somewhat to quite elongate, strongly raised toward outer cone base, sometimes curved, strongly cross-keeled, narrowed to thick, curved, broadly triangular-based umbo, this often producing outcurved claw. <b>Seeds</b> obovoid; body ca. 8–9mm, dark brown; wing to 20mm. <b>2n</b> =24.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=1500–2500m | |elevation=1500–2500m | ||
|distribution=Ariz.;N.Mex.;Mexico. | |distribution=Ariz.;N.Mex.;Mexico. | ||
| − | |discussion=<p>In general appearance Pinus engelmannii much resembles P. palustris with its short-persistent, long leaves (but in this species drooping) and in its tendency to form a grass stage. It has a deep taproot as do P. palustris and P. ponderosa.</p> | + | |discussion=<p>In general appearance <i>Pinus engelmannii</i> much resembles <i>P. palustris</i> with its short-persistent, long leaves (but in this species drooping) and in its tendency to form a grass stage. It has a deep taproot as do <i>P. palustris</i> and <i>P. ponderosa</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Pinus engelmannii | name=Pinus engelmannii | ||
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|authority=Carrière | |authority=Carrière | ||
|rank=species | |rank=species | ||
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|publication year=1854 | |publication year=1854 | ||
|special status= | |special status= | ||
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|genus=Pinus | |genus=Pinus | ||
|species=Pinus engelmannii | |species=Pinus engelmannii | ||
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Latest revision as of 21:25, 5 November 2020
Trees to 35m; trunk to 0.6m diam., straight; crown irregularly rounded, rather thin. Bark dark brown, at maturity deeply furrowed, ridges becoming yellowish, of narrow, elongate, scaly plates. Branches straight to ascending; twigs stout (1–2cm thick), pale gray-brown, aging darker brown, rough. Buds ovoid-conic, to 2cm, resinous; scale margins pale fringed. Leaves 3(–5) per fascicle, spreading-ascending, often drooping, forming a brush at twig tips, persisting 2 years, (20–)25–45cm × 2mm, dull green, all surfaces with fine stomatal lines, margins coarsely serrulate, apex conic-subulate; sheath 3–4cm, base persistent. Pollen cones cylindric, ca. 25mm, yellow to yellow-brown. Seed cones maturing in 2 years and shedding seeds soon thereafter, not persistent, terminal, sometimes curved, often asymmetric, lance-ovoid before opening, ovoid when open, 11–14cm, light dull brown, nearly sessile or short-stalked; apophyses rhombic, somewhat to quite elongate, strongly raised toward outer cone base, sometimes curved, strongly cross-keeled, narrowed to thick, curved, broadly triangular-based umbo, this often producing outcurved claw. Seeds obovoid; body ca. 8–9mm, dark brown; wing to 20mm. 2n =24.
Habitat: High and dry mountain ranges, valleys, and plateaus
Elevation: 1500–2500m
Distribution
Ariz., N.Mex., Mexico.
Discussion
In general appearance Pinus engelmannii much resembles P. palustris with its short-persistent, long leaves (but in this species drooping) and in its tendency to form a grass stage. It has a deep taproot as do P. palustris and P. ponderosa.
Selected References
None.
Lower Taxa
None.