OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium compositifolium   FAMILY Asteraceae__   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eupatorium compositifolium   FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America

Eupatorium compositifolium

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-006:

Eupatorium compositifolium   FAMILY Asteraceae__

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

Eupatorium compositifolium

 

COMMON NAME:
Coastal Dog-fennel, Yankeeweed


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

image of Eupatorium compositifolium, Coastal Dog-fennel, Yankeeweed

JK Marlow    jkm081009_129

October    Dorchester County    SC

Like E. capillifolium, this is an excellent indicator of soil disturbance, per Weakley's Flora (2012).

image of Eupatorium compositifolium, Coastal Dog-fennel, Yankeeweed

JK Marlow    jkm081009_131

October    Dorchester County    SC

image of Eupatorium compositifolium, Coastal Dog-fennel, Yankeeweed

JK Marlow    jkm081009_133

October    Dorchester County    SC

Leaves grayish-green, pubescent. Segments of upper leaves 1-2.5mm wide, per Weakley's Flora.

image of Eupatorium compositifolium, Coastal Dog-fennel, Yankeeweed

Patrick D. McMillan    pdmecompositifolium_pc1

November    Pickens County    SC

Poe Creek State Forest

Our Eupatorium flowers are bisexual, all disc, without receptacular bracts, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).

image of Eupatorium compositifolium, Coastal Dog-fennel, Yankeeweed

Patrick D. McMillan    pdmecompositifoli_cabin1

Month Unknown    Clarendon County    SC

Segments of basal leaves 2-5mm wide, per Weakley's Flora.

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium compositifolium   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eupatorium compositifolium   FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America
Eupatorium compositifolium

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-006:
Eupatorium compositifolium   FAMILY Asteraceae__

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

 

Find by SCIENTIFIC NAME:

547

Forb
Annual/Short-lived perennial

Habitat: Longleaf pine sandhills, sandy disturbed areas, exposed riverbanks and drawdown zones, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain (rare elsewhere in GA-NC-SC)

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: Dissected
Lower opposite, upper alternate

FLOWER:
Summer/Fall
Disc: Creamy-white/ Purplish
Rays: Absent
Bisexual
Inferior ovary

FRUIT:
Summer/Fall
Lustrous black
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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