"Curlycup Gumweed" shine sunan gama gari ga nau'in shuka Grindelia squarrosa, wanda shine memba na dangin sunflower. Tsire-tsire ne na shekara-shekara wanda asalinsa ne daga yammacin Arewacin Amurka kuma an san shi da furanni masu launin rawaya na musamman da ganyayen resinous. Ita wannan shuka tana da nau'o'in amfani da magunguna iri-iri kuma ƴan asalin ƙasar sun yi amfani da ita har tsawon tsararraki don magance yanayin numfashi da fata.