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sowthistle Line breaks: sow|this¦tle
Pronunciation: /ˈsaʊθɪs(ə)l/

Definition of sowthistle in English:


A Eurasian plant with yellow flowers, thistle-like leaves, and milky sap. Also called milk thistle.
  • Genus Sonchus, family Compositae
Example sentences
  • Many people mistakenly group the annual and perennial sowthistles into two species rather than four.
  • In South Dakota, perennial sowthistle is concentrated in the northeast and eastern areas of the state.
  • Also, the leaf margins of spiny sowthistle are much more spiny or prickly than those of annual sowthistle.
Definition of sowthistle in:
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