Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Lactuca biennis
FAMILY
Asteraceae_
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Tall Blue Lettuce at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lactuca biennis
FAMILY
Asteraceae_
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
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.
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 (Smith, 1998).
Penny Longhurst pen_20220819_113952
August NC
Mountains to Sea Trail
Leaves on winged petioles, 4-12" long, with several wide, coarsely toothed, pointy-tipped lobes, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Lactuca biennis
FAMILY
Asteraceae_
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lactuca biennis
FAMILY
Asteraceae_
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
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
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