Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium torreyanum
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Torrey's Thoroughwort at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium hyssopifolium var. laciniatum
FAMILY
Asteraceae__
SYNONYMOUS WITH Flora of North America
Eupatorium hyssopifolium var. laciniatum
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-013?:
Eupatorium hyssopifolium FAMILY Asteraceae__
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium torreyanum
COMMON NAME:
Torrey's Thoroughwort, Torrey's Eupatorium
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_euto6_001_lvd
)
JK Marlow jkm210626_1648
June Oconee County SC
Leaves mostly opposite or in whorls of 3, conspicuously & divergently toothed, per Weakley's Flora.
)
JK Marlow jkm140801_269
August Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm140801_272
August Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm170826_798
August Spartanburg County SC
)
JK Marlow jkm140909_581
September Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm201008_7649
October Greenville County SC
)
JK Marlow jkm201008_7651
October Greenville County SC
)
JK Marlow jkm201008_7652
October Greenville County SC
)
JK Marlow jkm201008_7658
October Greenville County SC
Leaves lance-shaped, rough, with 3 prominent veins and widely spaced teeth, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
)
JK Marlow jkm201008_7659
October Greenville County SC
)
Richard and Teresa Ware rtw_eupatorium_torreyanum
October
Leaves usually spreading or ascending (not deflexed), per Weakley's Flora.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium torreyanum
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium hyssopifolium var. laciniatum
FAMILY
Asteraceae__
SYNONYMOUS WITH
Flora of North America
Eupatorium hyssopifolium var. laciniatum
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-013?:
Eupatorium hyssopifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium torreyanum
3635
Forb
Habitat: Dry woodlands, powerline rights-of-way, roadsides, marshes, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in GA Piedmont, rare in 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
Mostly opposite or in whorls of 3
Leaves sessile
FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Bisexual
Inferior ovary
FRUIT:
Summer/Fall
Lustrous black
Achene
TO LEARN MORE about this plant, look it up in a good book!