Kalmar "Genus Malus" tana nufin rabe-raben halittu na tsirrai da suka hada da nau'ikan itatuwan apple iri-iri. Kalmar “genus” tana nufin nau’in harajin da aka yi amfani da shi a cikin rarrabuwar halittu, waɗanda ke haɗa nau’ikan nau’ikan nau’ikan nau’ikan nau’ikan nau’ikan nau’ikan nau’ukan nau’in halitta ne. Kalmar "Malus" ita ce sunan Latin don jinsin itacen apple, wanda ya haɗa da nau'i kamar Malus domestica (apple na gida) da Malus sylvestris (apple wild).