Eutrochium purpureum (L.) E.E.Lamont  
Family: Asteraceae
green-stemmed Joe-Pye-weed, purple Joe-Pye-weed
[Eupatoriadelphus purpureus (L.) R.M.King & H.Rob., Eupatorium purpureum L.]
Eutrochium purpureum image
Robert Bierman  
Etymology: 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
Plants: erect, perennial, 4'-6' tall, hairless forb; stems greenish except with purple usually only at the nodes, not spotted, usually solid inside
Leaves: sharply toothed, mostly in whorls of 3-4, veins pinnately-arranged leaf drawing
Flowers: head with 4 -7 pale pink to purplish flowers; inflorescence usually a domed, branched cluster; blooms Aug.-Sept.
Habitat: full sun to partial shade; dry to moderate moisture; meadows, prairies, woods; in sandy, loamy soil
Conservation Status: Native
Eutrochium purpureum image
Robert Bierman  
Eutrochium purpureum image
Emmet J. Judziewicz  
Eutrochium purpureum image
Derek Anderson  
Eutrochium purpureum image
Christopher Noll