Eupatorium pilosum, common name rough boneset,[2] is a rare North American species of plant in the family Asteraceae. It is native to the eastern and south-central United States, found in every coastal state from Massachusetts to Texas, and as far inland as Kentucky.[3]

Eupatorium pilosum is a perennial herb sometimes over 100 cm (40 inches) tall, spreading by means of underground rhizomes. The plant produces large displays of large numbers of tiny flower heads, each with 5 white disc florets but no ray florets.

References

  1. ^ The Plant List, Eupatorium pilosum Walter
  2. ^ USDA, NRCS (n.d.). "Eupatorium pilosum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 5 July 2015.
  3. ^ Biota of North America Program, 2014 county distribution map