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 semiserratum   FAMILY Asteraceae__   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eupatorium semiserratum   FAMILY Asteraceae__

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Eupatorium semiserratum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Eupatorium semiserratum

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Eupatorium semiserratum

SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)

Eupatorium semiserratum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-011:

Eupatorium semiserratum   FAMILY Asteraceae__

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)

Eupatorium cuneifolium var. semiserratum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Eupatorium semiserratum

 

COMMON NAME:
Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium


         To see larger pictures, click or hover over the thumbnails.

image of Eupatorium semiserratum, Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_euse_001_lvd

        

image of Eupatorium semiserratum, Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium

Bruce A. Sorrie    bas_e_semiserratum2

August    Hoke County    NC

Its olive-green color, coupled with its whorls of 3 leaves, set this apart, per Wildflowers of the Sandhills Region (Sorrie, 2011).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eupatorium semiserratum   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eupatorium semiserratum   FAMILY Asteraceae__

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eupatorium semiserratum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Eupatorium semiserratum

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Eupatorium semiserratum

SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium semiserratum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-011:
Eupatorium semiserratum   FAMILY Asteraceae__

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Eupatorium cuneifolium var. semiserratum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium semiserratum

 

Find by SCIENTIFIC NAME:

3473

Forb
Perennial

Habitat: swamp forests, seepage bogs, savannas, clay-based Carolina bays, other wetlands, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain (rare in Piedmont)

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
Whorls of 3
Petioles 1-10mm 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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