Eutrochium maculatum
Swamp Root aka Spotted Joe Pye Weed
(but not related to the true Joe Pye Weed, Eupatorium purpurem)
   
North America

 

Robust perennial of open to shaded damp thickets, meadows and shorelines.
 
9 to 20 florets per head
 
Spotted stems
 
 
 

 

 

 
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