Quercus similis

Quercus similis
Conservation status
	; Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Quercus
Section:	Quercus sect. Quercus
Species:	Q. similis
Binomial name
	Quercus similis; Ashe
Synonyms[2][3]
	List Quercus ashei Sterrett ; Quercus margarettae var. paludosa (Sarg.) Ashe ; Quercus mississippiensis Ashe ; Quercus stellata var. attenuata Sarg. ; Quercus stellata var. mississippiensis (Ashe) Little ; Quercus stellata subsp. paludosa (Sarg.) A.E.Murray ; Quercus stellata var. paludosa Sarg. ; Quercus stellata var. similis (Ashe) Sudw. ;

Quercus similis, the swamp post oak or bottomland post oak, is an oak species native to the southeastern and south-central United States. The greatest concentration of populations is in Louisiana and Arkansas, Mississippi, and eastern Texas, with isolated population in Missouri, Alabama, and the Coastal Plain of Georgia and South Carolina.[4]

Quercus similis is a deciduous tree up to 25 meters (82 feet) tall. It has a straight trunk. The bark is brown and flaky. The branches are gray, thick between 2 and 3 mm in diameter. The leaves are between 8 to 12 cm (3 to 4.5 in) long and 5 to 8 cm (2 to 3 in) wide, more or less closely egg-shaped. The apex is acute or rounded, base shortly indicated. The leaf margins are flat with two or three pairs of shallow lobes apical half, shiny dark green on top but gray underneath between 3 and 5 pairs of veins. The petiole is between 3 and 10 mm long. The flowers appear in spring. The acorns are between 1.2 to 1.6 cm (0.47 to 0.63 in) long, oblong, and dark brown. It produces acorns one at a time or in groups of three.[5]

References

"Quercus similis". IUCN Red List of Threatened Species. 2015. 2015. Retrieved 5 November 2017. dataold-form url
"Quercus similis Ashe". Tropicos. Missouri Botanical Garden.
"Quercus similis Ashe". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew – via The Plant List.
"Quercus similis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
Nixon, Kevin C. (1997). "Quercus similis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 3. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

External links

Photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 2012

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[1] "Quercus similis". IUCN Red List of Threatened Species. 2015. 2015. Retrieved 5 November 2017. dataold-form url

[2] "Quercus similis Ashe". Tropicos. Missouri Botanical Garden.

[3] "Quercus similis Ashe". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew – via The Plant List.

[4] "Quercus similis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.

[5] Nixon, Kevin C. (1997). "Quercus similis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 3. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.