Eutrochium dubium

Eutrochium dubium,[2] also called coastal plain joe pye weed, is a North American flowering plant in the sunflower family. It is native to the eastern United States and Canada, primarily the Atlantic coastal plain from Georgia to Nova Scotia.[3]

Eutrochium dubium
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Eutrochium
Species:
E. dubium
Binomial name
Eutrochium dubium
(Willd. ex Poir.) E.E.Lamont
Synonyms[1]
  • Eupatoriadelphus dubius (Willd. ex Poir.) R.M. King & H. Rob.
  • Eupatorium dubium Willd. ex Poir.

Eutrochium dubium is a herbaceous perennial plant herb sometimes as much as 170 cm (68 inches or 5 2/3 feet) tall. Stems are sometimes purple, sometimes green with purple spots. The plant produces numerous flower heads in flat-topped arrays, each head has 4-10 dark purple (rarely pink or white) disc florets but no ray florets.[4]

References
  1. "Eutrochium dubium (Willd. ex Poir.) E.E. Lamont". Tropicos. Missouri Botanical Garden.
  2. "Eutrochium dubium". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 16 January 2015.
  3. "Eutrochium dubium". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  4. Lamont, Eric E. (2006). "Eutrochium dubium". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.


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