Species of oak tree
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Quercus arkansana, the Arkansas oak, is a species of oak tree. It is native to the southeastern United States (eastern Texas, southern Arkansas, Louisiana, Mississippi, Alabama, Georgia, and the Florida Panhandle). It is threatened by use of its habitat for pine plantations, clearing of land, and diebacks that may be caused by drought.
Description.
"Quercus arkansana" is a deciduous tree growing up to tall. The bark is black. The leaves are sometimes unlobed and sometimes with 2 or 3 shallow lobes.
Habitat.
"Quercus arkansana" is shade-loving tree that grows in the understories of mesic pine forests and southern hardwood stands, and it is frequently reported from sandhills, the upper portions of ravines, steepheads, and above the heads of small streams. It is rarely a dominant component of the vegetation, except for a few places in Arkansas and Florida where it is found in large stands. It grows alongside "Pinus taeda", "P. echinata" and other pines, as well as other oaks such as "Quercus nigra", "Q. pagoda", "Q. margarettae", and "Q. hemisphaerica". It grows among various other hardwoods including "Nyssa sylvatica", "Liquidambar styraciflua", "Vaccinium arboreum", "Sassafras albidum", "Magnolia grandiflora", and "Diospyros virginiana". It has been observed to form hybrids between "Q. arkansana" and "Q. nigra" in Georgia, and introgression from "Q. falcata" has been observed in Texas.
References.
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