Robert W. Freckmann Herbarium


  Eupatorium purpureum L. image
Photographer: Emmet J. Judziewicz           

Botanical Illustration

Caroline A. Creevey

Derek Anderson

Christopher Noll

Christopher Noll

Robert Bierman

Robert Bierman

Kurt Stüber

Kurt Stüber

Kurt Stüber
Family Asteraceae
Eupatorium purpureum L.
green-stemmed Joe-Pye-weed, purple Joe-Pye-weed
Eupatorium: from Greek name Mithridates Eupator, King of Pontus about 115BC who is said to have discovered an antidote to a commonly used poison in one of the species
purpureum: from Latin for "purple"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 4'-6' tall, hairless forb; stems greenish except with purple usually only at the nodes, not spotted, usually solid inside
Flower: head with 4 -7 pale pink to purplish flowers; inflorescence usually a domed, branched cluster; blooms Aug.-Sept.
Leaf: sharply toothed, mostly in whorls of 3-4, veins pinnately-arranged leaf drawing
Habitat: full sun to partial shade; dry to moderate moisture; meadows, prairies, woods; in sandy, loamy soil
(Glossary)

More Information Natural Communities Herbarium Specimens
All Eupatorium list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
Eupatorium falcatum Michx.
Eupatorium holzingeri Rydb.
Eupatoriadelphus purpureus (L.) R.M.King & H.Rob.
Eupatorium purpureum L. var. holzingeri (Rydb.) E.Lamont
Eupatorium purpureum L. var. purpureum

         
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