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DESCRIPTION:
Prickly lettuce, a common winter weed in the Central Valley of California, germinates with the onset of winter rains. Prickly lettuce seedlings have cotyledons that are about twice as long as they are wide. The first true leaves have rounded margins. Leaves are alternate, clasp the stem, and may be lobed or entire with prickly margins. Prickly lettuce grows as an erect annual or biennial. The stem may be prickly near the base. The mature plant bears numerous creamy yellow flowers on branches off the main stems.
Broadleaf ID illustration.
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