Other names: China lettuce, wild lettuce
Life cycle: Annual or biennial
Found in: Cropland, nurseries, orchards and roadsides throughout the U.S.
General description: Leafy prickly plant with leaves that attach to the stem at the base.
Seedlings: Cotyledons are oval, as are young leaves.
True leaves: Alternate, distinctly lobed and 2" to 14" long with bases that clasp the stem. Prickles along the edges and the midvein of the lower surface. Secretes a milky sap when cut.
Flowers and fruit: Flowers are cone-shaped and yellow with toothed petals and occur profusely in
the upper portions of the plant. Fruit is dry and one-seeded.