Eupatorium perfoliatum - Plant Finder - Missouri Botanical Garden
https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c730
WEBEupatorium perfoliatum, commonly called boneset, is a large, hairy, clump-forming, Missouri native perennial which typically occurs in wet soils in low woods, thickets, stream banks, meadows and prairies throughout the State. Flat-topped clusters (compound corymbs) of small, fluffy, white flowers appear above the foliage in late summer to fall.
DA: 89 PA: 76 MOZ Rank: 63