Kalmar "Genus Bellis" tana nufin rarrabuwa taxonomic a ilmin halitta wanda ya haɗa da nau'in da aka fi sani da daisy. Halittar Bellis na cikin dangin Asteraceae ne kuma yana da ƙanana, tsire-tsire masu tsire-tsire tare da furen ganye da furanni fari ko ruwan hoda tare da cibiyoyin rawaya. Kalmar “genus” tana nufin rukunin nau’o’in nau’ikan da ke da alaƙa da juna waɗanda ke da halaye iri ɗaya, yayin da “Bellis” shine sunan Latin don jinsin daisy.