Native & Naturalized Plants of the Carolinas & Georgia


3635

Forb

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common (uncommon in GA Piedmont, rare in Mountains)

Look for it in dry woodlands, powerline rights-of-way, roadsides, marshes, per Weakley's Flora

map
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full sun partial shade ...Wet ...Dry

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!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA (10/20/20):
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 (REJECTED) 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)
Eupatorium torreyanum

 

COMMON NAME:
Torrey's Thoroughwort, Torrey's Eupatorium


Click or hover over the thumbnails to see larger pictures.

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_euto6_001_lvd

        

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm210626_1648

June    Oconee County    SC

Leaves mostly opposite or in whorls of 3, conspicuously & divergently toothed, per Weakley's Flora.

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm140801_269

August    Greenville County    SC

Swamp Rabbit Trail

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm140801_272

August    Greenville County    SC

Swamp Rabbit Trail

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm170826_798

August    Spartanburg County    SC

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm140909_581

September    Greenville County    SC

Swamp Rabbit Trail

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm201008_7649

October    Greenville County    SC

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm201008_7651

October    Greenville County    SC

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm201008_7652

October    Greenville County    SC

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

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.

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

JK Marlow    jkm201008_7659

October    Greenville County    SC

image of Eupatorium torreyanum, Torrey's Thoroughwort, Torrey's Eupatorium

Richard and Teresa Ware    rtw_eupatorium_torreyanum

October        

Leaves usually spreading or ascending (not deflexed), per Weakley's Flora.