Kalmar “genus” tana nufin wani nau’in rarrabuwar halittu wanda ya haɗa da rukuni na nau’ukan da ke da alaƙa. "Syringa" shine takamaiman nau'in tsire-tsire masu furanni waɗanda aka fi sani da lilacs. Saboda haka, ma'anar ƙamus na "genus Syringa" zai zama nau'in haraji wanda ya haɗa da rukuni na nau'in nau'in tsire-tsire masu dangantaka da su wanda aka fi sani da lilacs.
