Difference between revisions of "Quercus oglethorpensis"

Duncan

Amer. Midl. Naturalist 24: 755. 1940.

Common names: Oglethorpe oak
Conservation concernEndemicIllustrated
Treatment appears in FNA Volume 3.
FNA>Volume Importer
 
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|code=F
 
|code=F
|label=Selected by author to be illustrated
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|label=Illustrated
 
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|basionyms=
 
|basionyms=
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--><span class="statement" id="st-d0_s0" data-properties="tree duration;tree atypical some measurement;tree some measurement"><b>Trees,</b> deciduous, to 18 (-25) m.</span> <span class="statement" id="st-d0_s1" data-properties="bark coloration;bark coloration;bark architecture or pubescence"><b>Bark </b>light gray or whitish, scaly.</span> <span class="statement" id="st-d0_s2" data-properties="twig coloration;twig diameter;twig pubescence;twig pubescence"><b>Twigs </b>brownish red, ca. 1 mm diam., sparsely pubescent, glabrate with age.</span> <span class="statement" id="st-d0_s3" data-properties="bud coloration;bud shape;bud some measurement;bud pubescence;bud pubescence"><b>Buds </b>reddish-brown, globose, to 2-2.5 mm, sparsely pubescent or glabrous.</span> <span class="statement" id="st-d0_s4" data-properties="petiole some measurement"><b>Leaves:</b> petiole 2-7 mm.</span> <span class="statement" id="st-d0_s5" data-properties="leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade length;leaf-blade width;base shape;base shape;base shape;margin architecture or shape;margin architecture or shape;shoot fragility;shoot shape;secondary-vein quantity;apex shape;apex shape;apex shape"><b>Leaf-</b>blade narrowly elliptic or oblanceolate, ± planar, not strongly convexly cupped, 50-150 × 20-45 mm, base cuneate to cordate, margins entire or on vigorous shoots sometimes sinuate near apex, secondary-veins 3-5 on each side, apex rounded, obtuse or broadly acute;</span> <span class="statement" id="st-d0_s6" data-properties="surface coloration;surface coloration;surface reflectance;surface reflectance;surface arrangement or shape;hair duration;hair pubescence;hair architecture;hair odor">surfaces abaxially yellowish green, covered with persistent velvety branched hairs, adaxially dark green, dull or glossy, sparsely stellate, often somewhat sandpapery with harsh hairs.</span> <span class="statement" id="st-d0_s7" data-properties="acorn quantity;acorn architecture;acorn architecture;peduncle some measurement"><b>Acorns </b>1-2, subsessile or on peduncle to 7 mm;</span> <span class="statement" id="st-d0_s8" data-properties="cup shape;cup size;cup some measurement;cup width;nut quantity;scale fixation or orientation;scale pubescence">cup turbinate, somewhat constricted proximally, 8 mm deep × 10 mm wide, enclosing 1/3 nut or more, scales closely appressed, finely tan-pubescent;</span> <span class="statement" id="st-d0_s9" data-properties="nut coloration;nut shape;nut length;nut atypical width;nut width;nut pubescence">nut gray brown, ovoid, 9-11 × (5-) 7-9 mm, finely puberulent.</span> <span class="statement" id="st-d0_s10" data-properties="cotyledon fusion"><b>Cotyledons </b>distinct.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Trees,</b> deciduous, to 18(-25) m. <b>Bark</b> light gray or whitish, scaly. <b>Twigs</b> brownish red, ca. 1 mm diam., sparsely pubescent, glabrate with age. <b>Buds</b> reddish brown, globose, to 2-2.5 mm, sparsely pubescent or glabrous. <b>Leaves</b>: petiole 2-7 mm. <b>Leaf</b> blade narrowly elliptic or oblanceolate, ± planar, not strongly convexly cupped, 50-150 × 20-45 mm, base cuneate to cordate, margins entire or on vigorous shoots sometimes sinuate near apex, secondary veins 3-5 on each side, apex rounded, obtuse or broadly acute; surfaces abaxially yellowish green, covered with persistent velvety branched hairs, adaxially dark green, dull or glossy, sparsely stellate, often somewhat sandpapery with harsh hairs. <b>Acorns</b> 1-2, subsessile or on peduncle to 7 mm; cup turbinate, somewhat constricted proximally, 8 mm deep × 10 mm wide, enclosing 1/3 nut or more, scales closely appressed, finely tan-pubescent; nut gray brown, ovoid, 9-11 × (5-)7-9 mm, finely puberulent. <b>Cotyledons</b> distinct.</span><!--
  
 
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|distribution=Ga.;La.;Miss.;S.C.
 
|distribution=Ga.;La.;Miss.;S.C.
 
|discussion=<p>Of conservation concern.</p><!--
 
|discussion=<p>Of conservation concern.</p><!--
--><p>Since its original discovery in 1940 in Oglethorpe County, Georgia, Quercus oglethorpensis has been found to be more common locally near the type site in Georgia and South Carolina than originally thought. It remains one of the least-known oak species of the southeastern United States. Quercus oglethorpensis is one of our most distinctive eastern oaks, easily recognized by its narrow, entire, abaxially felty leaves.</p>
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--><p>Since its original discovery in 1940 in Oglethorpe County, Georgia, <i>Quercus oglethorpensis</i> has been found to be more common locally near the type site in Georgia and South Carolina than originally thought. It remains one of the least-known oak species of the southeastern United States. <i>Quercus oglethorpensis</i> is one of our most distinctive eastern oaks, easily recognized by its narrow, entire, abaxially felty leaves.</p>
 
|tables=
 
|tables=
 
|references={{Treatment/Reference
 
|references={{Treatment/Reference
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Quercus oglethorpensis
 
name=Quercus oglethorpensis
|author=
 
 
|authority=Duncan
 
|authority=Duncan
 
|rank=species
 
|rank=species
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|publication title=Amer. Midl. Naturalist
 
|publication title=Amer. Midl. Naturalist
 
|publication year=1940
 
|publication year=1940
|special status=Conservation concern;Endemic;Selected by author to be illustrated
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|special status=Conservation concern;Endemic;Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_967.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_967.xml
 
|genus=Quercus
 
|genus=Quercus
 
|section=Quercus sect. Quercus
 
|section=Quercus sect. Quercus
 
|species=Quercus oglethorpensis
 
|species=Quercus oglethorpensis
|acorn architecture=on peduncle;subsessile
 
|acorn quantity=1;2
 
|apex shape=acute;obtuse;rounded
 
|bark architecture or pubescence=scaly
 
|bark coloration=whitish;light gray
 
|base shape=cuneate;cordate
 
|bud coloration=reddish-brown
 
|bud pubescence=glabrous;pubescent
 
|bud shape=globose
 
|bud some measurement=2mm;2.5mm
 
|cotyledon fusion=distinct
 
|cup shape=turbinate
 
|cup size=constricted
 
|cup some measurement=8
 
|cup width=wide
 
|hair architecture=branched
 
|hair duration=persistent
 
|hair odor=harsh
 
|hair pubescence=velvety
 
|leaf-blade length=50mm;150mm
 
|leaf-blade shape=planar;oblanceolate;elliptic
 
|leaf-blade width=20mm;45mm
 
|margin architecture or shape=on vigorous shoots;entire
 
|nut atypical width=5mm;7mm
 
|nut coloration=gray brown
 
|nut length=9mm;11mm
 
|nut pubescence=puberulent
 
|nut quantity=1/3
 
|nut shape=ovoid
 
|nut width=7mm;9mm
 
|peduncle some measurement=0mm;7mm
 
|petiole some measurement=2mm;7mm
 
|scale fixation or orientation=appressed
 
|scale pubescence=tan-pubescent
 
|secondary-vein quantity=3;5
 
|shoot fragility=vigorous
 
|shoot shape=sinuate
 
|surface arrangement or shape=stellate
 
|surface coloration=dark green;yellowish green
 
|surface reflectance=glossy;dull
 
|tree atypical some measurement=18m;25m
 
|tree duration=deciduous
 
|tree some measurement=0m;18m
 
|twig coloration=brownish red
 
|twig diameter=1
 
|twig pubescence=glabrate;pubescent
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Quercus sect. Quercus]]
 
-->[[Category:Treatment]][[Category:Quercus sect. Quercus]]

Latest revision as of 22:52, 5 November 2020

Trees, deciduous, to 18(-25) m. Bark light gray or whitish, scaly. Twigs brownish red, ca. 1 mm diam., sparsely pubescent, glabrate with age. Buds reddish brown, globose, to 2-2.5 mm, sparsely pubescent or glabrous. Leaves: petiole 2-7 mm. Leaf blade narrowly elliptic or oblanceolate, ± planar, not strongly convexly cupped, 50-150 × 20-45 mm, base cuneate to cordate, margins entire or on vigorous shoots sometimes sinuate near apex, secondary veins 3-5 on each side, apex rounded, obtuse or broadly acute; surfaces abaxially yellowish green, covered with persistent velvety branched hairs, adaxially dark green, dull or glossy, sparsely stellate, often somewhat sandpapery with harsh hairs. Acorns 1-2, subsessile or on peduncle to 7 mm; cup turbinate, somewhat constricted proximally, 8 mm deep × 10 mm wide, enclosing 1/3 nut or more, scales closely appressed, finely tan-pubescent; nut gray brown, ovoid, 9-11 × (5-)7-9 mm, finely puberulent. Cotyledons distinct.


Phenology: Flowering spring.
Habitat: Alluvial flatwoods and streamsides in rich woods, low pastures, and edge of bottomland forests
Elevation: 0-200 m

Discussion

Of conservation concern.

Since its original discovery in 1940 in Oglethorpe County, Georgia, Quercus oglethorpensis has been found to be more common locally near the type site in Georgia and South Carolina than originally thought. It remains one of the least-known oak species of the southeastern United States. Quercus oglethorpensis is one of our most distinctive eastern oaks, easily recognized by its narrow, entire, abaxially felty leaves.

Lower Taxa

None.
... more about "Quercus oglethorpensis"
Kevin C. Nixon +  and Cornelius H. Muller +
Duncan +
Oglethorpe oak +
Ga. +, La. +, Miss. +  and S.C. +
0-200 m +
Alluvial flatwoods and streamsides in rich woods, low pastures, and edge of bottomland forests +
Flowering spring. +
Amer. Midl. Naturalist +
haenhle1985a +
Conservation concern +, Endemic +  and Illustrated +
Quercus oglethorpensis +
Quercus sect. Quercus +
species +