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Spiny Sowthistle

Sonchus asper (L.) Hill

Asteraceae (Aster Family)

▲ ▼ young plant rosettes

mature plant

stem showing rounded-base stipules

flowers on mature plant

Spiny Sowthistle:

 

·        annual weed with thick leaves with curly, spiny margins; leaves clasp stem

·        stipule at base of stem leaves is rounded at base

·        grows about 6" - 5' tall

·        flowers yellow head-type inflorescences

·        found in fields, pastures, cultivated areas, roadsides, non-crop areas

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