Common Name: sweet Joe-pye weed, purple-node Joe-pye weedScientific Name: Eupatorium purpureum L. syn. Eutrochium purpureumFamily Name: Asteraceae (Compositae) - Aster or Sunflower FamilyIdentification NotesLife Cyclenative perennial, reproducing by seed Stemsupright, simple, smooth, hairless, solid, green with purple at the nodes, not spotted Leaveswhorled, 3 to 4 (5) per node, oval to oblong oval, tapering at base, sharply toothed, pointed, sparsely pubescent above, pubescent below Flowersheads of pale pink to lilac purple disk (tubulate) florets; clusters terminal and axillary above, branched, domed-shaped