Annual Sowthistle
Annual Sowthistle
Sonchus oleraceus L.
Asteraceae (Aster Family)
▲ ▼ seedlings
▲ young rosette
▲ mature plant
▲ ▼ pointed angles of leaf bases (stipules) around stem
▲ flowers and mature plants
Annual Sowthistle:
- similar in growth habit and appearance to spiny sowthistle, but rosette leaves are not spiny and are more deeply lobed
- stipule at base of stem leaves is pointed at the base
- flowers small, yellow, like other sowthistles