Lactuca ludoviciana (Nutt.) Riddell
Family: Asteraceae
prairie lettuce,  more...
[Lactuca campestris Greene,  more]
Lactuca ludoviciana image
Etymology: Lactuca: name for "milk"
Plants: erect, biennial/perennial, 1'-5' tall forb with milky juice; stems leafy, smooth
Leaves: bluish, with spiny edges and midrib
Flowers: head 1" wide with 20-56 bluish-white to yellow rays; inflorescence of a few, relatively large heads in loosely-branched clusters; blooms July-Sept.
Fruits: blackish, flat, dry seed with only one obvious line on each side
Habitat: sun; prairies, meadows
Conservation Status: Native
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