Difference between revisions of "Quercus mohriana"

Buckley in Rydberg

in Rydberg, Bull. New York Bot. Gard. 2: 219. 1901.

Common names: Mohr oak
Selected by author to be illustrated
Treatment appears in FNA Volume 3.
FNA>Volume Importer
 
FNA>Volume Importer
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--><span class="statement" id="st-d0_s0" data-properties="shrub duration;shrub duration;tree duration;tree duration;shrub orientation;shrub architecture;tree size;tree some measurement"><b>Shrubs </b>or trees, evergreen or deciduous, shrubs erect, rhizomatous, trees small, 0.5-3 m.</span> <span class="statement" id="st-d0_s1" data-properties="bark coloration;bark pubescence or relief;bark architecture"><b>Bark </b>pale, rough and deeply furrowed.</span> <span class="statement" id="st-d0_s2" data-properties="twig coloration;twig coloration;twig diameter;twig pubescence"><b>Twigs </b>yellowish or whitish, 1-2 mm diam., felty-tomentose.</span> <span class="statement" id="st-d0_s3" data-properties="bud coloration;bud shape;bud some measurement;bud pubescence;bud pubescence;stipule duration;stipule pubescence;stipule shape"><b>Buds </b>dark redbrown, round-ovoid, 2 mm, glabrous, occasionally puberulent on outer scales, not subtended by persistent, hairy, subulate stipules.</span> <span class="statement" id="st-d0_s4" data-properties="petiole some measurement"><b>Leaves:</b> petiole 2-5 mm.</span> <span class="statement" id="st-d0_s5" data-properties="leaf-blade coloration;leaf-blade shape;leaf-blade shape;leaf-blade atypical length;leaf-blade atypical length;leaf-blade length;leaf-blade atypical width;leaf-blade atypical width;leaf-blade width;leaf-blade texture;base shape;base shape;base shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;secondary-vein quantity;apex shape;apex shape"><b>Leaf-</b>blade usually strongly bicolored, oblong or elliptic, (15-) 30-50 (-80) × (10-) 20-30 (-35) mm, leathery, base rounded, rarely cuneate or cordulate, margins entire or toothed or denticulate, undulate or flat, secondary-veins 8-9 on each side, apex rounded or acute;</span> <span class="statement" id="st-d0_s6" data-properties="surface coloration;surface pubescence;hair orientation;hair shape;hair arrangement or shape;secondary-vein prominence;secondary-vein coloration;secondary-vein coloration;secondary-vein coloration;secondary-vein reflectance;secondary-vein pubescence;secondary-vein pubescence;rayed size;rayed arrangement;rayed orientation;rayed arrangement or shape;rayed atypical quantity;rayed quantity;rayed quantity;hair size;hair arrangement;hair orientation;hair arrangement or shape;hair atypical quantity;hair quantity;hair quantity;secondary-vein prominence;secondary-vein prominence">surfaces abaxially densely gray or white-tomentose with semierect curly, stellate hairs, secondary-veins rather prominently raised, adaxially dark or dull green, lustrous or somewhat glaucous, with minute, scattered, semierect or appressed-stellate, (4-) 6 or many rayed hairs, not felty to touch, secondary-veins slightly raised or prominent within depressions.</span> <span class="statement" id="st-d0_s7" data-properties="acorn arrangement;acorn arrangement;acorn architecture;peduncle some measurement;peduncle pubescence"><b>Acorns </b>solitary or paired, subsessile or peduncle sometimes 10-15 mm, tomentose like twigs;</span> <span class="statement" id="st-d0_s8" data-properties="cup shape;cup width;cup width;nut quantity;base shape;base shape;margin width;scale shape;scale shape;scale shape;proximal scale relief;proximal scale pubescence;distal scale shape;distal scale shape;tip fixation or orientation;tip coloration;tip width;tip pubescence">cup shallowly to very deeply cupshaped, 5-12 mm deep × 8-18 mm wide, enclosing 1/2 nut, base rounded or flat, margin thin, scales triangular-ovate to oblong, proximal scales coarsely tuberculate and canescent-tomentose, distal ones usually elongate and narrowed, tips appressed, reddish, thin, nearly glabrous;</span> <span class="statement" id="st-d0_s9" data-properties="nut coloration;nut shape;nut shape;nut shape;nut length;nut width">nut light-brown, ellipsoid to ovoid, 8-15 × 5-12 mm.</span> <span class="statement" id="st-d0_s10" data-properties="cotyledon fusion"><b>Cotyledons </b>connate.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, evergreen or deciduous, shrubs erect, rhizomatous, trees small, 0.5-3 m. <b>Bark</b> pale, rough and deeply furrowed. <b>Twigs</b> yellowish or whitish, 1-2 mm diam., felty-tomentose. <b>Buds</b> dark red-brown, round-ovoid, 2 mm, glabrous, occasionally puberulent on outer scales, not subtended by persistent, hairy, subulate stipules. <b>Leaves</b>: petiole 2-5 mm. <b>Leaf</b> blade usually strongly bicolored, oblong or elliptic, (15-)30-50(-80) × (10-)20-30(-35) mm, leathery, base rounded, rarely cuneate or cordulate, margins entire or toothed or denticulate, undulate or flat, secondary veins 8-9 on each side, apex rounded or acute; surfaces abaxially densely gray- or white-tomentose with semi-erect curly, stellate hairs, secondary veins rather prominently raised, adaxially dark or dull green, lustrous or somewhat glaucous, with minute, scattered, semi-erect or appressed-stellate, (4-)6 or many rayed hairs, not felty to touch, secondary veins slightly raised or prominent within depressions. <b>Acorns</b> solitary or paired, subsessile or peduncle sometimes 10-15 mm, tomentose like twigs; cup shallowly to very deeply cup-shaped, 5-12 mm deep × 8-18 mm wide, enclosing 1/2 nut, base rounded or flat, margin thin, scales triangular-ovate to oblong, proximal scales coarsely tuberculate and canescent-tomentose, distal ones usually elongate and narrowed, tips appressed, reddish, thin, nearly glabrous; nut light brown, ellipsoid to ovoid, 8-15 × 5-12 mm. <b>Cotyledons</b> connate.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
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|habitat=Limestone hills and slopes, calcareous substrates
 
|habitat=Limestone hills and slopes, calcareous substrates
 
|elevation=600-2500 m
 
|elevation=600-2500 m
|distribution=N.Mex.;Okla.;Tex.;Mexico (Coahuila)
+
|distribution=N.Mex.;Okla.;Tex.;Mexico (Coahuila).
 
|discussion=<p>Putative hybrids between Quercus mohriana Buckley and Q. grisea Liebmann are problematic and highly polymorphic. They are restricted to zones of contact between limestone, the preferred habitat of Q. mohriana, and igneous substrates, the preferred habitat of Q. grisea, or sometimes on dolomite, in western Texas.</p>
 
|discussion=<p>Putative hybrids between Quercus mohriana Buckley and Q. grisea Liebmann are problematic and highly polymorphic. They are restricted to zones of contact between limestone, the preferred habitat of Q. mohriana, and igneous substrates, the preferred habitat of Q. grisea, or sometimes on dolomite, in western Texas.</p>
 
|tables=
 
|tables=
Line 47: Line 47:
 
|habitat=Limestone hills and slopes, calcareous substrates
 
|habitat=Limestone hills and slopes, calcareous substrates
 
|elevation=600-2500 m
 
|elevation=600-2500 m
|distribution=N.Mex.;Okla.;Tex.;Mexico (Coahuila)
+
|distribution=N.Mex.;Okla.;Tex.;Mexico (Coahuila).
 
|reference=None
 
|reference=None
 
|publication title=in Rydberg, Bull. New York Bot. Gard.
 
|publication title=in Rydberg, Bull. New York Bot. Gard.
 
|publication year=1901
 
|publication year=1901
 
|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-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_370.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_370.xml
 
|genus=Quercus
 
|genus=Quercus
 
|section=Quercus sect. Quercus
 
|section=Quercus sect. Quercus
 
|species=Quercus mohriana
 
|species=Quercus mohriana
|acorn architecture=subsessile
 
|acorn arrangement=paired;solitary
 
|apex shape=acute;rounded
 
|bark architecture=furrowed
 
|bark coloration=pale
 
|bark pubescence or relief=rough
 
|base shape=flat;rounded;cordulate;cuneate;rounded
 
|bud coloration=dark redbrown
 
|bud pubescence=puberulent;glabrous
 
|bud shape=round-ovoid
 
|bud some measurement=2
 
|cotyledon fusion=connate
 
|cup shape=cup-shaped
 
|cup width=×8-18;5mm;12mm
 
|distal scale shape=narrowed;elongate
 
|hair arrangement=scattered
 
|hair arrangement or shape=appressed-stellate;stellate
 
|hair atypical quantity=4;6
 
|hair orientation=semierect;semierect
 
|hair quantity=many;6
 
|hair shape=curly
 
|hair size=minute
 
|leaf-blade atypical length=50mm;80mm
 
|leaf-blade atypical width=30mm;35mm
 
|leaf-blade coloration=bicolored
 
|leaf-blade length=30mm;50mm
 
|leaf-blade shape=elliptic;oblong
 
|leaf-blade texture=leathery
 
|leaf-blade width=20mm;30mm
 
|margin shape=flat;undulate;denticulate;toothed;entire;flat;undulate;denticulate;toothed;entire
 
|margin width=thin
 
|nut coloration=light-brown
 
|nut length=8mm;15mm
 
|nut quantity=1/2
 
|nut shape=ellipsoid;ovoid
 
|nut width=5mm;12mm
 
|peduncle pubescence=tomentose
 
|peduncle some measurement=10mm;15mm
 
|petiole some measurement=2mm;5mm
 
|proximal scale pubescence=canescent-tomentose
 
|proximal scale relief=tuberculate
 
|rayed arrangement=scattered
 
|rayed arrangement or shape=appressed-stellate
 
|rayed atypical quantity=4;6
 
|rayed orientation=semierect
 
|rayed quantity=many;6
 
|rayed size=minute
 
|scale shape=triangular-ovate;oblong
 
|secondary-vein coloration=green;dull;dark
 
|secondary-vein prominence=prominent;raised;raised
 
|secondary-vein pubescence=not felty;glaucous
 
|secondary-vein quantity=8;9
 
|secondary-vein reflectance=lustrous
 
|shrub architecture=rhizomatous
 
|shrub duration=deciduous;evergreen
 
|shrub orientation=erect
 
|stipule duration=persistent
 
|stipule pubescence=hairy
 
|stipule shape=subulate
 
|surface coloration=gray
 
|surface pubescence=white-tomentose
 
|tip coloration=reddish
 
|tip fixation or orientation=appressed
 
|tip pubescence=glabrous
 
|tip width=thin
 
|tree duration=deciduous;evergreen
 
|tree size=small
 
|tree some measurement=0.5m;3m
 
|twig coloration=whitish;yellowish
 
|twig diameter=1mm;2mm
 
|twig pubescence=felty-tomentose
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Quercus sect. Quercus]]
 
-->[[Category:Treatment]][[Category:Quercus sect. Quercus]]

Revision as of 13:39, 27 July 2019

Shrubs or trees, evergreen or deciduous, shrubs erect, rhizomatous, trees small, 0.5-3 m. Bark pale, rough and deeply furrowed. Twigs yellowish or whitish, 1-2 mm diam., felty-tomentose. Buds dark red-brown, round-ovoid, 2 mm, glabrous, occasionally puberulent on outer scales, not subtended by persistent, hairy, subulate stipules. Leaves: petiole 2-5 mm. Leaf blade usually strongly bicolored, oblong or elliptic, (15-)30-50(-80) × (10-)20-30(-35) mm, leathery, base rounded, rarely cuneate or cordulate, margins entire or toothed or denticulate, undulate or flat, secondary veins 8-9 on each side, apex rounded or acute; surfaces abaxially densely gray- or white-tomentose with semi-erect curly, stellate hairs, secondary veins rather prominently raised, adaxially dark or dull green, lustrous or somewhat glaucous, with minute, scattered, semi-erect or appressed-stellate, (4-)6 or many rayed hairs, not felty to touch, secondary veins slightly raised or prominent within depressions. Acorns solitary or paired, subsessile or peduncle sometimes 10-15 mm, tomentose like twigs; cup shallowly to very deeply cup-shaped, 5-12 mm deep × 8-18 mm wide, enclosing 1/2 nut, base rounded or flat, margin thin, scales triangular-ovate to oblong, proximal scales coarsely tuberculate and canescent-tomentose, distal ones usually elongate and narrowed, tips appressed, reddish, thin, nearly glabrous; nut light brown, ellipsoid to ovoid, 8-15 × 5-12 mm. Cotyledons connate.


Phenology: Flowering spring.
Habitat: Limestone hills and slopes, calcareous substrates
Elevation: 600-2500 m

Distribution

V3 370-distribution-map.gif

N.Mex., Okla., Tex., Mexico (Coahuila).

Discussion

Putative hybrids between Quercus mohriana Buckley and Q. grisea Liebmann are problematic and highly polymorphic. They are restricted to zones of contact between limestone, the preferred habitat of Q. mohriana, and igneous substrates, the preferred habitat of Q. grisea, or sometimes on dolomite, in western Texas.

Selected References

None.

Lower Taxa

None.
... more about "Quercus mohriana"
Kevin C. Nixon +  and Cornelius H. Muller +
Buckley in Rydberg +
Mohr oak +
N.Mex. +, Okla. +, Tex. +  and Mexico (Coahuila). +
600-2500 m +
Limestone hills and slopes, calcareous substrates +
Flowering spring. +
in Rydberg, Bull. New York Bot. Gard. +
Selected by author to be illustrated +
Quercus mohriana +
Quercus sect. Quercus +
species +