Kalmar "Genus Catha" tana nufin rabe-raben haraji na wani rukuni na tsire-tsire. A cikin ilimin lissafin halitta, jinsi shine matsayi ko nau'i a cikin matsayi na rarrabuwa, wanda ke sama da nau'in kuma ƙasa da dangi. "Catha" shine sunan jinsin gungun tsire-tsire masu furanni na dangin Celastraceae.Fiye da haka, jinsin Catha an san shi da ƙunshi nau'i ɗaya da ake kira Catha edulis, wanda ya kasance a gabashin Afirka. da yankin Larabawa. Ana kuma san wannan tsiro da wasu sunaye daban-daban kamar su khat, kati, ko miraa. Tsire-tsire ne mai kara kuzari wanda aka sani da halayensa na psychoactive saboda kasancewar alkaloids, gami da cathinone.A taƙaice, "Genus Catha" yana nufin rarrabuwar haraji na rukunin tsirrai, gami da Catha edulis, yawanci. wanda aka fi sani da ja ko kati.