Iyalin Grossulariaceae dangin taxonomic ne na tsire-tsire masu fure, wanda aka fi sani da dangin guzberi. Ya haɗa da kusan nau'ikan shrubs 150 a cikin nau'ikan 4, gami da Ribes (currants da gooseberries), Grossularia (gooseberries), da sauransu. Ana samun waɗannan tsire-tsire a yankuna masu zafi na Arewacin Hemisphere kuma galibi ana noma su don 'ya'yan itacen da ake ci. Ana siffanta su da sauƙi masu sauƙi, ƙananan furanni masu furanni 5, kuma yawanci mai tushe mai ƙaya. 'Ya'yan itãcen marmari yawanci berries ne, galibi suna da ɗanɗano mai ɗanɗano kuma mai yawan bitamin C.