Difference between revisions of "Quercus intricata"
Mem. Natl. Acad. Sci. 20: 84. 1924.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> evergreen, clonal, intricately branched. <b>Bark</b> gray, scaly. <b>Twigs</b> gray- or yellow-tomentose, darkened, 1-1.5 mm diam., persistently pubescent for several seasons. <b>Buds</b> dark reddish brown, 1-1.5 mm, apex round, sparsely pubescent to glabrate. <b>Leaves</b>: petiole 2-3 mm. <b>Leaf</b> blade oblong, sometimes ovate, often strongly cupped, 10-25 × 5-13 mm, extremely thick, leathery, base cuneate to cordate, margins very coarsely revolute, often undulate-crisped, entire, rarely with a few teeth, secondary veins 8 or 9 on each side, apex acute or obtuse; surfaces abaxially brownish or buff, persistently tomentose with erect curly hairs, rarely glabrate in 2d season, midribs (and sometimes principal veins) glabrous and brown against tomentum, secondary veins sometimes prominently raised, usually obscured by tomentum, adaxially dark or gray-green, lustrous, sparsely or moderately stellate-pubescent, secondary veins impressed. <b>Acorns</b> solitary or paired, subsessile or on peduncle to 15 mm; cup deeply cup-shaped, 7-8 mm deep × ca. 10 mm wide, base round, margin thin, scales ovate or narrower, proximally canescent-tomentose, moderately or markedly tuberculate, tips closely appressed, reddish, thin, nearly glabrous; nut light brown, ovoid, 9-12 × 8-10 mm. <b>Cotyledons</b> connate.</span><!-- |
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|habitat=Open chaparral and pinyon-oak woodland, on dry, rocky, limestone slopes (in Mexico also on gypsophilous soils) | |habitat=Open chaparral and pinyon-oak woodland, on dry, rocky, limestone slopes (in Mexico also on gypsophilous soils) | ||
|elevation=1500-2500 m | |elevation=1500-2500 m | ||
| − | |distribution=Tex.;Mexico (Coahuila | + | |distribution=Tex.;Mexico (Coahuila;Nuevo León;Durango;and Zacatecas). |
|discussion=<p>Quercus intricata, a fairly common element of the mountains of the Chihuahuan Desert region, is known in the United States only from two localities: a population in the Chisos Mountains and another in the Eagle Mountains of west Texas.</p> | |discussion=<p>Quercus intricata, a fairly common element of the mountains of the Chihuahuan Desert region, is known in the United States only from two localities: a population in the Chisos Mountains and another in the Eagle Mountains of west Texas.</p> | ||
|tables= | |tables= | ||
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|habitat=Open chaparral and pinyon-oak woodland, on dry, rocky, limestone slopes (in Mexico also on gypsophilous soils) | |habitat=Open chaparral and pinyon-oak woodland, on dry, rocky, limestone slopes (in Mexico also on gypsophilous soils) | ||
|elevation=1500-2500 m | |elevation=1500-2500 m | ||
| − | |distribution=Tex.;Mexico (Coahuila | + | |distribution=Tex.;Mexico (Coahuila;Nuevo León;Durango;and Zacatecas). |
|reference=None | |reference=None | ||
|publication title=Mem. Natl. Acad. Sci. | |publication title=Mem. Natl. Acad. Sci. | ||
|publication year=1924 | |publication year=1924 | ||
|special status=Selected by author to be illustrated | |special status=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_725.xml |
|genus=Quercus | |genus=Quercus | ||
|section=Quercus sect. Quercus | |section=Quercus sect. Quercus | ||
|species=Quercus intricata | |species=Quercus intricata | ||
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-->[[Category:Treatment]][[Category:Quercus sect. Quercus]] | -->[[Category:Treatment]][[Category:Quercus sect. Quercus]] | ||
Revision as of 14:48, 27 July 2019
Shrubs, evergreen, clonal, intricately branched. Bark gray, scaly. Twigs gray- or yellow-tomentose, darkened, 1-1.5 mm diam., persistently pubescent for several seasons. Buds dark reddish brown, 1-1.5 mm, apex round, sparsely pubescent to glabrate. Leaves: petiole 2-3 mm. Leaf blade oblong, sometimes ovate, often strongly cupped, 10-25 × 5-13 mm, extremely thick, leathery, base cuneate to cordate, margins very coarsely revolute, often undulate-crisped, entire, rarely with a few teeth, secondary veins 8 or 9 on each side, apex acute or obtuse; surfaces abaxially brownish or buff, persistently tomentose with erect curly hairs, rarely glabrate in 2d season, midribs (and sometimes principal veins) glabrous and brown against tomentum, secondary veins sometimes prominently raised, usually obscured by tomentum, adaxially dark or gray-green, lustrous, sparsely or moderately stellate-pubescent, secondary veins impressed. Acorns solitary or paired, subsessile or on peduncle to 15 mm; cup deeply cup-shaped, 7-8 mm deep × ca. 10 mm wide, base round, margin thin, scales ovate or narrower, proximally canescent-tomentose, moderately or markedly tuberculate, tips closely appressed, reddish, thin, nearly glabrous; nut light brown, ovoid, 9-12 × 8-10 mm. Cotyledons connate.
Phenology: Flowering spring.
Habitat: Open chaparral and pinyon-oak woodland, on dry, rocky, limestone slopes (in Mexico also on gypsophilous soils)
Elevation: 1500-2500 m
Distribution
Tex., Mexico (Coahuila, Nuevo León, Durango, and Zacatecas).
Discussion
Quercus intricata, a fairly common element of the mountains of the Chihuahuan Desert region, is known in the United States only from two localities: a population in the Chisos Mountains and another in the Eagle Mountains of west Texas.
Selected References
None.
Lower Taxa
None.