OF THE CAROLINAS & GEORGIA

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



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.

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

JK Marlow    jkm200625_6137

June    Transylvania County    NC

DuPont State Forest

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

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.

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

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).

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

JK Marlow    jkm200808_6932

August    Transylvania County    NC

DuPont State Forest

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

JK Marlow    jkm200808_6933

August    Transylvania County    NC

DuPont State Forest

Upper leaves and main inflorescence branches often alternate, per Weakley's Flora (2020).

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

JK Marlow    jkm210807_2559

August    Transylvania County    NC

DuPont State Forest

Leaves have very short but distinct leafstalks, per Vascular Plants of North Carolina.

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

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).

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

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).

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

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).

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

Bruce A. Sorrie    bas_eupatorium_pilosum3

September    Moore County    NC

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

JK Marlow    jkm200926_7421

September    Transylvania County    NC

DuPont State Forest

image of Eupatorium pilosum, Rough Boneset, Ragged Eupatorium

JK Marlow    jkm221004_0135

October    Greenville County    SC

Bald Rock Heritage Preserve

 

 

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

 

Find by SCIENTIFIC NAME:

553

Forb
Perennial

Habitat: Longleaf pine savannas, bogs, other wetlands, other moist areas, but also sometimes in surprisingly dry habitats, such as mesic and dry-mesic woodlands and woodland edges, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain (uncommon elsewhere in GA-NC-SC)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Opposite (upper leaves often alternate)
Leaves sessile, or petioles to 5mm long

FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Inferior ovary
Bisexual

FRUIT:
Summer/Fall
Lustrous black
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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