Nabalus albus

Nabalus albus, white rattlesnake root, is a plant in the family Asteraceae, native to Canada and the Eastern United States. Details of the flower heads are needed to separate this species from others in the rattlesnake-root genus (Nabalus). The Iroquois applied a poultice of the roots of white rattlesnake root to rattlesnake bites. It lives in anthropogenic (man-made or disturbed habitats), forests, woodlands. The leaves are simple (i.e., lobed or unlobed but not separated into leaflets) and the edge of the leaf blade either has no teeth or lobes or the edge of the leaf blade has teeth depending on the species. The flower head has ray flowers only, meaning all of the individual flowers of the flower head have a strap-shaped ray, which may or may not have teeth at the very tip of the ray. The colors vary from blue to purple, pink to red, or white. The leaf blade length can be between 40 to 300 mm. while the flower head width can be 3 to 5 mm.