Difference between revisions of "Pinus pungens"
Ann. Bot. (London) 2: 198. 1805.
Common names: Table mountain pine mountain 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 12m; trunk to 0.6m diam., straight to crooked, erect to leaning, poorly self-pruning; crown irregularly rounded or flattened. <b>Bark</b> red- to gray-brown, irregularly checked into scaly plates. <b>Branches</b> horizontally spreading; twigs slender, orange- to yellow-brown, aging darker brown, rough. <b>Buds</b> ovoid to cylindric, red-brown, 0.6–0.9cm, resinous. <b>Leaves</b> 2(–3) per fascicle, spreading or ascending, persisting 3 years, 3–6(–8)cm × 1–1.5mm, twisted, deep yellow-green, all surfaces with fine stomatal lines, margins harshly serrulate, apex acute to short-acuminate; sheath 0.5–1cm, base persistent. <b>Pollen</b> cones ellipsoid, ca. 15mm, yellow. <b>Seed</b> cones maturing in 2 years, variably serotinous, mostly whorled, downcurved, asymmetric, ovoid before opening, broadly ovoid when open, (4–)6–10cm, gray- to pale red-brown, nearly sessile or on stalks to 1cm; apophyses thickened, diamond-shaped, strongly keeled, elongate, mammillate at cone base abaxially; umbo central, a stout, curved, sharp claw. <b>Seeds</b> deltoid-obovoid, oblique; body ca. 6mm, deep purple-brown to black; wing 10–20(–30)mm. <b>2n</b> =24.</span><!-- |
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_811.xml |
|genus=Pinus | |genus=Pinus | ||
|species=Pinus pungens | |species=Pinus pungens | ||
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Revision as of 13:28, 27 July 2019
Trees to 12m; trunk to 0.6m diam., straight to crooked, erect to leaning, poorly self-pruning; crown irregularly rounded or flattened. Bark red- to gray-brown, irregularly checked into scaly plates. Branches horizontally spreading; twigs slender, orange- to yellow-brown, aging darker brown, rough. Buds ovoid to cylindric, red-brown, 0.6–0.9cm, resinous. Leaves 2(–3) per fascicle, spreading or ascending, persisting 3 years, 3–6(–8)cm × 1–1.5mm, twisted, deep yellow-green, all surfaces with fine stomatal lines, margins harshly serrulate, apex acute to short-acuminate; sheath 0.5–1cm, base persistent. Pollen cones ellipsoid, ca. 15mm, yellow. Seed cones maturing in 2 years, variably serotinous, mostly whorled, downcurved, asymmetric, ovoid before opening, broadly ovoid when open, (4–)6–10cm, gray- to pale red-brown, nearly sessile or on stalks to 1cm; apophyses thickened, diamond-shaped, strongly keeled, elongate, mammillate at cone base abaxially; umbo central, a stout, curved, sharp claw. Seeds deltoid-obovoid, oblique; body ca. 6mm, deep purple-brown to black; wing 10–20(–30)mm. 2n =24.
Habitat: Dry, mostly sandy or shaly uplands, Appalachians and associated Piedmont
Elevation: 500–1350m
Distribution
Del., Ga., Md., N.J., N.C., Pa., S.C., Tenn., Va., W.Va.
Discussion
Pinus pungens is a scrub pine and is too small and knotty to be much utilized except for pulpwood and firewood. Its common name refers to a general type of landform, not to a specific, named mountain.
Selected References
None.
Lower Taxa
None.