Lotus corniculatus wani nau'in tsiro ne da aka fi sani da "Bird's-foot trefoil" a turance. Memba ne na dangin legume (Fabaceae) kuma asalinsa ne a Turai, Asiya, da Arewacin Afirka. Sunan "Ƙafar Tsuntsaye" yana nufin sifar kwas ɗin iri, wanda yayi kama da kamun tsuntsu. Ana amfani da shukar a matsayin amfanin gona na kiwo ga dabbobi kuma a wasu lokuta ana girma a matsayin shuka na ado.
