Helleborus viridis wani nau'in tsiro ne da aka fi sani da koren hellebore. Tsire-tsire ne na herbaceous perennial wanda na dangin Ranunculaceae ne kuma asalinsa ne a Turai. An san shukar ne da kayan magani kuma ana amfani da ita a maganin gargajiya don magance cututtuka daban-daban. Gabaɗaya, "Helleborus" yana nufin jinsin tsiro da aka fi sani da hellebores, yayin da "viridis" ya kasance Latin don "kore", don haka "Helleborus viridis" a zahiri yana nufin "koren hellebore."