thistle, annual sow
|COMMON NAME:||Thistle, annual sow|
|SCIENTIFIC NAME:||Sonchus oleraceus|
|FEATURES:||Rosette forming annual bolting during spring. Leaves lanceolate with distinct spines. Leaves
possibly lobed, lower leaves less likely to be lobed. Leaves along bolting stem producing ear-like
appendages clasping stem. Produces numerous flowers from a single bolting stem. Seed with pappus.
Plant can appear dark green to purple.
|DESCRIPTION:||Common annual weed in low-maintenance turfgrass. An annual, whereas most thistles are biennials.|