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Eutrochium dubium (Coastal plain joe pye weed)
Muller, Thomas L.

Eutrochium dubium

Eutrochium dubium (Willd. ex Poir.) E.E. Lamont

Coastal Plain Joe Pye Weed, Joepye Thoroughwort

Asteraceae (Aster Family)

Synonym(s): Eupatoriadelphus dubius, Eupatorium dubium

USDA Symbol: EUDU6

USDA Native Status: L48 (N), CAN (N)


From the Image Gallery

8 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 5-1/2 feet tall, often shorter.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Pink , Purple
Bloom Time: Jul , Aug , Sep , Oct


USA: CT , DC , DE , MA , MD , ME , NC , NH , NJ , NV , NY , PA , RI , SC , VA , WV
Canada: NS
Native Habitat: moist, usually sandy acidic soil of swamps, bogs, marshes, swales


Attracts: Birds

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Eutrochium dubium in USDA Plants
FNA: Find Eutrochium dubium in the Flora of North America (if available)
Google: Search Google for Eutrochium dubium


Record Modified: 2022-12-27
Research By: CBR

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