Kalmar "Genus" tana nufin matsayi na haraji da aka yi amfani da shi a cikin rarrabuwar halittu wanda ke haɗa nau'ikan nau'ikan nau'ikan nau'ikan iri iri iri. Kalmar "Acrocarpus" ita ce ƙayyadaddun jinsin bishiyoyi a cikin dangin legume (Fabaceae), wanda ya haɗa da kusan nau'in bishiyoyi 14 na asali na Asiya da Oceania. An san bishiyoyin Acrocarpus saboda saurin girma, tsayin tsayi, da kututture masu tsayi, yana mai da su mahimmanci don samar da katako. Kalmar "Acrocarpus" ta samo asali ne daga kalmomin Helenanci "akros," ma'ana "high," da "karpos," ma'ana "'ya'yan itace," yana nufin matsayi mai girma na itace. Saboda haka, kalmar "Genus Acrocarpus" tana nufin rukunin bishiyoyin haraji waɗanda ke cikin jinsin Acrocarpus.