Latin name: Sonchus asper
  Family: Asteraceae
  Common name: prickly sowthistle
  Life cycle: annual, spreading by seed
Habit: Initially a rosette, then growing upright to about 3 feet tall
Foliage: Cauline foliage is thistle-like in appearance. Anterior lobes curl under and around the stem, which is a distinguishing characteristic from other sowthistles.
Flowers: Composite heads are of yellow ray flowers.

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