sneezeweed

== English == === Etymology === From sneeze +‎ weed. === Pronunciation === IPA(key): /ˈsniːzwiːd/ === Noun === sneezeweed (countable and uncountable, plural sneezeweeds) (US) A plant of the genus Helenium, especially Helenium autumnale. (Australia) A plant of the genus Centipeda; either of the species Centipeda cunninghami or Centipeda minima, which induce sneezing and are known as a folk remedy for colds and allergic reactions. Synonym of sneezewort (Achillea ptarmica). ==== Synonyms ==== (Centipeda): scent weed (Centipeda cunninghami): old man weed ==== Derived terms ==== common sneezeweed (Centipeda cunninghami))