amaranthus arenicola

Amaranthus arenicola, commonly called sand amaranth or sandhill amaranth, is a plant species found in many states of the contiguous United States. It is an annual species found in sandy areas, near riverbeds, lakes, and fields. It is native to the central or south Great Plains, extending from Texas to South Dakota, and was introduced to other areas. This flowering plant can grow up to 2 meters (6.6 feet) in height.

Jepson Manual Treatment

Flora of North America: Amaranthus arenicola in the U.S.