OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (4/24/22):
Lactuca biennis   FAMILY Asteraceae_   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Lactuca biennis   FAMILY Asteraceae_

SYNONYMOUS WITH Flora of North America
Lactuca biennis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-006:
Lactuca biennis   FAMILY Asteraceae_

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Mulgedium spicatum var. integrifolium

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Mulgedium spicatum var. spicatum

 

COMMON NAME:
Tall Blue Lettuce, Blue Wood Lettuce


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

image of Lactuca biennis, Tall Blue Lettuce, Blue Wood Lettuce

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_lasp4_001_lvd

        

image of Lactuca biennis, Tall Blue Lettuce, Blue Wood Lettuce

Bruce A. Sorrie    bas_lactuca_biennis1

August    Moore County    NC

Flowers typically blue, but yellow in one form. Panicle branches short, per Wildflowers of the Southern Mountains.

 

WEAKLEY'S FLORA (4/24/22):
Lactuca biennis   FAMILY Asteraceae_

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Lactuca biennis   FAMILY Asteraceae_

SYNONYMOUS WITH Flora of North America
Lactuca biennis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-006:
Lactuca biennis   FAMILY Asteraceae_

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Mulgedium spicatum var. integrifolium

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Mulgedium spicatum var. spicatum

 

Find by SCIENTIFIC NAME:

1892

Forb
Biennial

Native to the Carolinas & Georgia

Common in NC (rare elsewhere in GA & SC)

Habitat: Pastures, roadsides, forest edges, thickets, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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: Blue or yellow
Disc: Absent
Ray flowers bisexual
Inferior ovary

FRUIT:
Summer/Fall
Brown
Achene

 

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



 


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