Parthenium integrifolium

Parthenium integrifolium is a species of flowering plant in the aster family known by the common names wild quinine, American feverfew, and Eastern feverfew. It is native to the eastern and midwestern United States.

This plant is a perennial herb growing about three to five feet high. The glandular leaves are oval to lance-shaped and variable in size. They have serrated, toothed, or lobed edges. The inflorescence is an array of several flower heads containing whitish disc flowers and 5 to 6 ray flowers. The "flowers have a pleasant but mild medicinal fragrance."