"Kidney wort" kalma ce da ake amfani da ita don yin nuni ga nau'ikan tsiro iri-iri na asalin "Saxifraga". Wataƙila an ba wa waɗannan tsire-tsire sunan "Kidney wort" saboda amfani da su a tarihi a cikin maganin gargajiya don magance cututtukan koda, ko kuma saboda siffar ganyen su wanda zai iya kama da koda. Duk da haka, yana da mahimmanci a lura cewa kalmar "wort" gabaɗaya tana nufin duk wani ganye ko shuka da ake amfani da shi a magani ko don wasu dalilai masu amfani.