Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
		
	
	
	
	
						
	
	
	
	
	
	
	
	
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
	
	
		 
		
	
Eupatorium pilosum 	
	
	
		
		
		
	
	 
	 
	FAMILY
	Asteraceae__
	
	
	
		 
		 
		
		Go to FSUS key
	
	
Dig deeper at SERNEC, a consortium of southeastern herbaria.
E. pilosum displays a set of characters that, in combination, give it a very different gestalt in the field than other eupatoriums, making it easy to identify. Read more at Vascular Plants of North Carolina.
SYNONYMOUS WITH
	
	
	
	
	PLANTS NATIONAL DATABASE:
	
			
	
	
	
    
	
	Eupatorium pilosum 
	
	
		
		
		
	 
	 
	FAMILY
	Asteraceae__
	
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eupatorium pilosum
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Eupatorium pilosum
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Eupatorium pilosum
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium pilosum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-015:
Eupatorium pilosum FAMILY Asteraceae__
SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Eupatorium rotundifolium var. saundersii
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium verbenaefolium
COMMON NAME:
Rough Boneset, Ragged Eupatorium
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm200808_6930
August Transylvania County NC
DuPont State Forest
The middle and upper leaves are noticeably reduced in size, per Vascular Plants of North Carolina.
JK Marlow jkm200808_6931
August Transylvania County NC
DuPont State Forest
Leaves prominently 3-veined, the 2 lateral veins diverging ~ 5mm above leaf base, per Weakley's Flora (2022).
JK Marlow jkm200808_6933
August Transylvania County NC
DuPont State Forest
Upper leaves and main inflorescence branches often alternate, per Weakley's Flora (2020).
JK Marlow jkm210807_2559
August Transylvania County NC
DuPont State Forest
Leaves have very short but distinct leafstalks, per Vascular Plants of North Carolina.
JK Marlow jkm210807_2562
August Transylvania County NC
DuPont State Forest
Stems sometimes purplish-red-tinged, hairy and often rough, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
JK Marlow jkm210807_2564
August Transylvania County NC
DuPont State Forest
Flower heads 1/4" wide, with 5 tiny tubular disk florets w protruding styles, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
JK Marlow jkm210807_2565
August Transylvania County NC
DuPont State Forest
Leaves oval to oblong-lance-shaped; margins coarsely toothed, often purplish, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
	
	
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
	
	
		 
		
	
Eupatorium pilosum 	
	
	
		
		
		
	
	 
	 
	FAMILY
	Asteraceae__
	
SYNONYMOUS WITH
	
	
	PLANTS NATIONAL DATABASE:
	
			
	
	
	
    
	
	
	Eupatorium pilosum 
	
	
	
	
	 
	 
	FAMILY
	Asteraceae__
	
	SYNONYMOUS WITH
	
 
	Floristic Synthesis of North America. BONAP (Kartesz, 2021)
	
	
	Eupatorium pilosum
	
	SYNONYMOUS WITH
	
	Flora of North America north of Mexico, vol. 19-20-21
	
	Eupatorium pilosum
	
	SYNONYMOUS WITH
	
 
	Floristic Synthesis of North America (Kartesz, 1999)
	
	
	Eupatorium pilosum
	
	SYNONYMOUS WITH
	
 
	Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
	
	
	Eupatorium pilosum
	
 
SYNONYMOUS WITH
	
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-015:
Eupatorium pilosum 
 
 
 
FAMILY
Asteraceae__
SYNONYMOUS WITH
	
 
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
	
  
	Eupatorium rotundifolium var. saundersii
	
SYNONYMOUS WITH
	
 
Manual of the Southeastern Flora (Small, 1933, 1938)
	
  
	Eupatorium verbenaefolium
	
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