“ kunkuntar goldenrod ” ba kalma ba ce, amma sunan jinsin tsiro. Narrow goldenrod (Euthamia tenuifolia) tsire-tsire ne na tsiro na shekara-shekara daga Arewacin Amurka, wanda kuma aka sani da siriri goldenrod ko Goldenrod mai ganyen ciyawa. Sunan kimiyya "tenuifolia" yana nufin "manyan ganye", yana nufin kunkuntar ganyen shuka. Memba ne na dangin aster kuma yana samar da rawaya, furanni masu kama da daisy a ƙarshen lokacin rani da fall. ’Yan asalin ƙasar Amirka sun yi amfani da wannan shuka ta magani don magance cututtuka iri-iri.