Kalmar “genus” tana nufin rarrabuwa taxonomic wadda ta haɗa nau’in nau’i ɗaya ko fiye da haka. A cikin ilmin halitta, jinsi shine matsayi na haraji da ake amfani da shi wajen rarraba rayayyun halittu da burbushin halittu."Scleranthus" wani nau'in tsire-tsire ne na furanni a cikin gidan Caryophyllaceae. Tsire-tsire a cikin wannan nau'in ana kiran su "knawels" ko "knavels". Su ƙananan ganye ne na shekara-shekara ko na shekara-shekara waɗanda suka fito daga Turai, Asiya, Afirka, da Amurka.Saboda haka, "genus Scleranthus" yana nufin rarrabuwar haraji na rukuni na tsire-tsire masu alaƙa da ke cikin dangin. Halin Scleranthus.