Solidago leavenworthii, Leavenworth's goldenrod, is North American species of herbaceous perennial plants of the sunflower family. It is native to southeastern United States from Florida north to Mississippi and the Carolinas.Solidago leavenworthii is a perennial herb up to 200 cm (80 inches or 6 2/3 feet) tall, spreading by means of underground rhizomes. Leaves are crowded together, with as many as 75 leaves on one stem, though none gathered around the base of the stem as in some related species. ...