Difference between revisions of "Quercus carmenensis"
Amer. Midl. Naturalist 18: 847. 1937.
Conservation concernSelected by author to be illustrated
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, deciduous, shrubs 0.5-2 m, rhizomatous, trees (on better sites) to 12 m, trunk 0.75 m diam. <b>Bark</b> light gray, checkered or furrowed. <b>Twigs</b> often strikingly red, 1-1.5 mm diam., sparingly (rarely densely) stellate-pubescent, somewhat glabrescent and gray 2d year. <b>Buds</b> light brown, nearly round, 1-1.5 mm, indumentum similar to twigs. <b>Leaves</b>: petiole usually strikingly red, (2-)5-10 mm, ca. 1 mm diam. <b>Leaf</b> blade obovate or narrowly obovate, (20-)30-50 × 10-30 mm, thin to moderately leathery, base cuneate to rounded, margins shallowly and irregularly lobed or coarsely toothed in distal 1/2, rarely subentire, teeth mucronate, secondary veins 9-12 on each side, branching or passing directly to teeth, apex acute, sometimes broadly rounded; surfaces abaxially light green or yellow-green, prominently pubescent with minute, erect velvety hairs, adaxially surfaces dark green, sparsely and minutely stellate-pubescent. <b>Acorns</b> solitary or paired, subsessile or short-pedunculate (immature); cup (mature) unknown; scales (immature) light brown, tip acute, canescent. <b>Nut</b> unknown. <b>Cotyledons</b> unknown.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
|habitat=Shrublands and woodlands on limestone | |habitat=Shrublands and woodlands on limestone | ||
|elevation=2200-2500 m | |elevation=2200-2500 m | ||
| − | |distribution=Tex.;Mexico (Coahuila) | + | |distribution=Tex.;Mexico (Coahuila). |
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
--><p>Shrublands and woodlands on limestone; of conservation concern; 2200-2500 m; Tex.; Mexico (Coahuila).</p><!-- | --><p>Shrublands and woodlands on limestone; of conservation concern; 2200-2500 m; Tex.; Mexico (Coahuila).</p><!-- | ||
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|habitat=Shrublands and woodlands on limestone | |habitat=Shrublands and woodlands on limestone | ||
|elevation=2200-2500 m | |elevation=2200-2500 m | ||
| − | |distribution=Tex.;Mexico (Coahuila) | + | |distribution=Tex.;Mexico (Coahuila). |
|reference=None | |reference=None | ||
|publication title=Amer. Midl. Naturalist | |publication title=Amer. Midl. Naturalist | ||
|publication year=1937 | |publication year=1937 | ||
|special status=Conservation concern;Selected by author to be illustrated | |special status=Conservation concern;Selected by author to be illustrated | ||
| − | |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/V3/V3_914.xml |
|genus=Quercus | |genus=Quercus | ||
|section=Quercus sect. Quercus | |section=Quercus sect. Quercus | ||
|species=Quercus carmenensis | |species=Quercus carmenensis | ||
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-->[[Category:Treatment]][[Category:Quercus sect. Quercus]] | -->[[Category:Treatment]][[Category:Quercus sect. Quercus]] | ||
Revision as of 14:53, 27 July 2019
Shrubs or trees, deciduous, shrubs 0.5-2 m, rhizomatous, trees (on better sites) to 12 m, trunk 0.75 m diam. Bark light gray, checkered or furrowed. Twigs often strikingly red, 1-1.5 mm diam., sparingly (rarely densely) stellate-pubescent, somewhat glabrescent and gray 2d year. Buds light brown, nearly round, 1-1.5 mm, indumentum similar to twigs. Leaves: petiole usually strikingly red, (2-)5-10 mm, ca. 1 mm diam. Leaf blade obovate or narrowly obovate, (20-)30-50 × 10-30 mm, thin to moderately leathery, base cuneate to rounded, margins shallowly and irregularly lobed or coarsely toothed in distal 1/2, rarely subentire, teeth mucronate, secondary veins 9-12 on each side, branching or passing directly to teeth, apex acute, sometimes broadly rounded; surfaces abaxially light green or yellow-green, prominently pubescent with minute, erect velvety hairs, adaxially surfaces dark green, sparsely and minutely stellate-pubescent. Acorns solitary or paired, subsessile or short-pedunculate (immature); cup (mature) unknown; scales (immature) light brown, tip acute, canescent. Nut unknown. Cotyledons unknown.
Habitat: Shrublands and woodlands on limestone
Elevation: 2200-2500 m
Distribution
Tex., Mexico (Coahuila).
Discussion
Of conservation concern.
Shrublands and woodlands on limestone; of conservation concern; 2200-2500 m; Tex.; Mexico (Coahuila).
Quercus carmenensis is known in the United States from only one collection from the Chisos Mountains, Texas; otherwise, it is known in the Sierra del Carmen region, Coahuila, Mexico.
Selected References
None.
Lower Taxa
None.