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):
Lactuca canadensis   FAMILY Asteraceae_   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Lactuca canadensis   FAMILY Asteraceae_

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

Lactuca canadensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-003:

Lactuca canadensis   FAMILY Asteraceae_

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Lactuca canadensis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Lactuca sagittifolia

 

COMMON NAME:
American Wild Lettuce, Canada Lettuce


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

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_laca_001_lvd

        

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm190410_7177

April    Greenville County    SC

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

Gill Newberry    gn06_l_c_with_sap

June        

Orange-yellow flowers extend slightly from urn-shaped involucral cylinders, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).


click here to see other plants that look similar to this COMPARE involucral bracts of Wild Lettuce

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

Gill Newberry    gn06_lactuca_c_fl

June        

Many pale to deep yellow flowers in each head, but involucres < 1/2" high, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140611_700

June    Greenville County    SC

Swamp Rabbit Trail

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm190617_9242

June    Greenville County    SC

Leaves on proximal 1/2-3/4 of each stem, per Flora of North America.

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm190617_9243

June    Greenville County    SC

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm190617_9244

June    Greenville County    SC

Heads in ± corymbiform to paniculiform arrays, per Flora of North America.

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140724_030

July    Greenville County    SC

Swamp Rabbit Trail

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140724_032

July    Greenville County    SC

Swamp Rabbit Trail

A smooth sometimes glaucous plant. Leaves variable but without spiny margins, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140724_035

July    Greenville County    SC

Swamp Rabbit Trail

Leaf base attenuate to auriculate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140724_036

July    Greenville County    SC

Swamp Rabbit Trail

Midrib smooth to remotely spinulose beneath, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140724_037

July    Greenville County    SC

Swamp Rabbit Trail

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm140724_042b

July    Greenville County    SC

Swamp Rabbit Trail

Cypselae brown, ± flattened, elliptic, beaks ± filiform; pappi white, per Flora of North America.

image of Lactuca canadensis, American Wild Lettuce, Canada Lettuce

JK Marlow    jkm190702_9675

July    Greenville County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Lactuca canadensis   FAMILY Asteraceae_

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Lactuca canadensis   FAMILY Asteraceae_

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Lactuca canadensis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-003:
Lactuca canadensis   FAMILY Asteraceae_

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Lactuca canadensis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Lactuca sagittifolia

 

Find by SCIENTIFIC NAME:

787

Forb
Annual/Biennial

Habitat: Fields, roadsides, disturbed ground, per Weakley's Flora

Native to the Carolinas & Georgia

Common

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.)

DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Absent
Inferior ovary
Ray flowers bisexual

FRUIT:
Summer/Fall
Black
Achene

 

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



 


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