Solidago tortifolia

Solidago tortifolia, commonly known as twistleaf goldenrod, is a North American species of goldenrod in the sunflower family. It is found in the eastern and southern United States, primarily along the Atlantic and Gulf coastal plain from Maryland to Texas.
"Solidago tortifolia" is a perennial herb up to 130 cm (52 inches or 4 1/3 feet) tall, with a woody underground caudex or rhizomes. One plant can produce as many as 300 small yellow flower heads in a large, branching array at the top of the plant.