Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium serotinum
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Late-flowering Boneset at Vascular Plants of North Carolina.
This species was at one time apparently largely or strictly coastal in our area, but has spread inland rapidly along corridors of disturbance, somewhat similarly to Baccharis halimifolia, per Weakley's Flora (2022)
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium serotinum
FAMILY
Asteraceae__
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Eupatorium serotinum
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium serotinum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-020:
Eupatorium serotinum FAMILY Asteraceae__
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium serotinum
COMMON NAME:
Late-flowering Boneset, Late-flowering Thoroughwort, Late Eupatorium, Late Boneset
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_euse2_001_lvd
)
JK Marlow jkm100624_007
June Greenville County SC
Formerly coastal in our area, now spread inland along corridors of disturbance, per Weakley's Flora.
)
JK Marlow jkm100624_008
June Greenville County SC
Leaf tips tapering, margins coarsely serrate, petioles 1-4cm, purplish, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
)
JK Marlow jkm100624_009
June Greenville County SC
Leaves palmately nerved, sparsely hairy, margins sharply serrate, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
Keith Bradley kab_e_serotinum_4006
August Miami-Dade County FL
)
Keith Bradley kab_e_serotinum_4011
August Miami-Dade County FL
)
Richard and Teresa Ware rtw_e_serotinum_5
September
Inflorescence is flat-topped to rounded and gently spreading, per Wildflowers of Tennessee (Carman, 2005).
)
Stephanie C. Brundage scb_090821hiawassee01
September Towns County GA
Hamilton Gardens
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium serotinum
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium serotinum
FAMILY
Asteraceae__
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Eupatorium serotinum
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium serotinum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-020:
Eupatorium serotinum
FAMILY
Asteraceae__
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium serotinum
557
Forb
Perennial
Habitat: Interdune swales, bottomland forests and openings, fields, open forests, powerline rights-of-way, tidal marshes, disturbed areas, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in Carolina Mountains)
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
Petioles 1-4cm 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!
- All About South Carolina Wildflowers (Midgley, 1999) p158
- Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005) p068
- Newcomb's Wildflower Guide (Newcomb, 1977) p436
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p193
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p080
- Wildflowers of Tennessee (Carman, 2005) p297
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p345
- Wildflowers of the Southern Mountains (Smith, 1998) p181
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".