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
Scientific classification Edit this 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
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 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, and between 2 and 3 millimeters (116 and 18 inch) in diameter. The leaves are between 8 and 12 centimeters (3 and 4+12 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 and 1.6 cm (12 and 58 in) long, oblong, and dark brown. It produces acorns one at a time or in groups of three.[5]

References

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  1. ^ Kenny, L.; Wenzell, K.; Jerome, D. (2017). "Quercus similis". IUCN Red List of Threatened Species. 2017: e.T194233A86599185. doi:10.2305/IUCN.UK.2017-2.RLTS.T194233A86599185.en. Retrieved 11 November 2021.
  2. ^ "Quercus similis Ashe". Tropicos. Missouri Botanical Garden.
  3. ^ "Quercus similis Ashe". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew – via The Plant List. Note that this website has been superseded by World Flora Online
  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). Vol. 3. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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