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DESCRIPTION:
Prickly lettuce, a common winter broadleaf weed in the Central Valley of California, germinates with the onset of winter
rains. Prickly lettuce seedlings have cotyledons (seed leaves) that are about twice as long as they are wide. The first
true leaves have rounded margins. Leaves are alternate along the stem clasping it, and may be lobed or smooth 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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