Trumpet Weed: Gravel or Kidney-root: Purple Thoroughwort: Tall or Purple Boneset. Eupatorium purpureum.
Composite Family. Aug. - Sept.
A tall plant 3 - 10 feet high, common in low, swampy places. New England to the Gulf of Mexico and westward.
Dull magenta or magenta-crimson, in broad, terminal cluster.
Lance-shaped, toothed, in whorls of 3 - 6. Plant stem green or purplish.