Iron accumulations and depletions in shades red, yellow, or brown are in the lower part of the Bt in most pedons. Texture is clay loam, clay, sandy clay, silty clay loam, or silty clay in the fine-earth fraction. The BC horizon, where present, has hue of 10R or 2.5YR, value 3 or 4, and chroma of 4 through 8. Texture is clay loam, silty clay loam, or sandy clay loam in the fine-earth fraction. The C or 2C horizon, where present, has hue of 10R to 10YR, value of 3 to 5, and chroma of 4 to 8.
Texture is sandy loam, silt loam, sandy clay loam, clay loam, or clay in the fine-earth fraction.
There are no other series in the same family. The Exway , Gwinnett , Hanceville and Stoneville series are in closely related families. Gwinnett soils have sola less than 40 inches thick and have a paralithic contact at 40 to 60 inches. Exway, Hanceville and Stoneville soils have mixed mineralogy. Hiwassee soils are on gently sloping to steep high terraces in the Southern Piedmont.