A cewar ƙamus na Turanci na Oxford, "silverweed" yana nufin tsire-tsire na dangin fure, mai launin fari-zurfa da furanni rawaya. Sunan kimiyya shine Potentilla anserina, kuma ana kiranta da goosegrass ko cinquefoil. Tsiron ya fito ne daga Eurasia da Arewacin Amurka kuma galibi ana samun shi a cikin rijiyar makiyaya, bankunan rafi, da sauran wuraren zama masu damshi. A tarihi an yi amfani da shi wajen maganin cututtukan daji don magance cututtuka iri-iri, da suka haɗa da gudawa, ciwon haila, da cututtukan numfashi.