Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eupatorium rotundifolium
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Common Roundleaf Boneset at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium rotundifolium var. rotundifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eupatorium rotundifolium var. rotundifolium
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Eupatorium rotundifolium var. rotundifolium
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Eupatorium rotundifolium var. rotundifolium
INCLUDED WITHIN Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium rotundifolium
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-016a:
Eupatorium rotundifolium var. rotundifolium FAMILY Asteraceae__
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium rotundifolium
COMMON NAME:
Common Roundleaf Boneset, Common Roundleaf Thoroughwort, Common Roundleaf Eupatorium
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_euve4_001_lvd
)
JK Marlow jkm0505q_08
May Williamsburg County SC
The 2 sides of each tooth usually distinctly convex-curved, the tooth therefore rounded, per Weakley's Flora (2022).
)
JK Marlow jkm0407d_32
July Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm0407d_33
July Greenville County SC
Ashmore Heritage Preserve
Leaf apex usually ≥ 90º, the 2 principal lateral veins diverging directly from base of midrib, per Weakley's Flora (2022).
)
JK Marlow jkm0507j_37
July Greenville County SC
Wildcat Falls Wayside Park
Heads numerous, in a flat-topped corymb with opposite, hairy branches, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
Keith Bradley kab_e_rotundifolium_72963
August Collier County FL
Big Cypress National Preserve
)
JK Marlow jkm180914_4738
September Greenville County SC
)
Patrick D. McMillan pdmerotundifoli_oceanbay
Month Unknown Horry County SC
Lewis Ocean Bay Heritage Preserve
Involucres 5-flowered, bracts obtuse to acute, apices and margins white, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eupatorium rotundifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium rotundifolium var. rotundifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eupatorium rotundifolium var. rotundifolium
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Eupatorium rotundifolium var. rotundifolium
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Eupatorium rotundifolium var. rotundifolium
INCLUDED WITHIN
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium rotundifolium
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-016a:
Eupatorium rotundifolium var. rotundifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium rotundifolium
555
Forb
Perennial
Habitat: pine savannas, seepage bogs, moist to dry woodlands, roadsides, per Weakley's Flora
Native to the Carolinas & Georgia
Common in Coastal Plain, uncommon in Piedmont, rare in Mountains
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Opposite
Leaves sessile, or petioles to 3mm long
FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Inferior ovary
FRUIT:
Summer/Fall
Lustrous black
Achene
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers (Midgley, 1999) p158
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p388
- Newcomb's Wildflower Guide (Newcomb, 1977) p434
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p193
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p171
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p105
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p079
- Wildflowers of Tennessee (Carman, 2005) p296
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p345
- Wildflowers of the Southern Mountains (Smith, 1998) p181
- Wildflowers of the Sandhills Region (Sorrie, 2011) p045
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