Difference between revisions of "Quercus oglethorpensis"
Amer. Midl. Naturalist 24: 755. 1940.
Common names: Oglethorpe oak
Conservation concernEndemicSelected 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>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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|publication year=1940 | |publication year=1940 | ||
|special status=Conservation concern;Endemic;Selected by author to be illustrated | |special status=Conservation concern;Endemic;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_967.xml |
|genus=Quercus | |genus=Quercus | ||
|section=Quercus sect. Quercus | |section=Quercus sect. Quercus | ||
|species=Quercus oglethorpensis | |species=Quercus oglethorpensis | ||
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Revision as of 13:54, 27 July 2019
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
Distribution
Ga., La., Miss., S.C.
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.
Selected References
Lower Taxa
None.