Lactuca ludoviciana
Family: Asteraceae
Plant Description: Annual or biennial to 70 cm or higher with mostly pinnately lobed leaves that are slightly spiny toothed with upper leaves becoming deltoid. Yellow or yellowish ligulate heads.
Plant Trivia: These species are related to commercial lettuce, Lactuca sativa.
Field Identification:
Occurrence: Occasional and widespread in pastures and along roads.
Bloom Period: March, April
Plant Use:
Key to species of Lactuca:
- Upper leaves never clasping, narrowed to base………………………..L. hirsuta
Upper leaves usually clasping…………………………………………………………………….2
2. Achene body 2.5-3 mm long……………………………………………………….L. serriola
Achene body 4.5-5 mm long…………………………………………………L ludoviciana
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