ragwort

From rag (“referring to the ragged leaves”) +‎ wort.

• (UK) IPA^(key): /ˈɹæɡwəːt/

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ragwort (countable and uncountable, plural ragworts)

1. Any of a number of wild flowering plants with yellow flowers in the family Asteraceae, mostly belonging to Senecio and related genera.
   • 1653, Nicholas Culpeper, The English Physician Enlarged, Folio Society 2007, p. 237:

     Ragwort is under the command of dame Venus, and cleanses, digests and discusses.

   • 1936, Rollo Ahmed, The Black Art, London: Long, page 157:

     Sea-poppies and ragwort were plants of ill-fame, too.

• golden ragwort (Packera aurea)
• woolly ragwort

• Ragwort (disambiguation) on Wikipedia.Wikipedia