Kalmar “genus” tana nufin matsayi na haraji da ake amfani da shi wajen rarrabuwar halittu, wanda nau’in jinsin da suka yi tarayya da kakanni guda da halaye iri daya. (Fabaceae) wanda ya haɗa da kusan nau'ikan bishiyoyi 70 da shrubs. Wadannan tsire-tsire na asali ne a yankuna masu zafi na Amurka, Afirka, da Asiya.Saboda haka, "genus Pithecellobium" yana nufin rukunin haraji na nau'in bishiyoyi da shrubs waɗanda ke da halaye iri ɗaya da juna kuma suna da alaƙa da juna. an rarraba shi a cikin jinsin Pithecellobium na dangin legume.