Kalmar "Genus Arundo" tana nufin rabe-raben tsire-tsire a cikin dangin Poaceae (ciyawa), wanda ya haɗa da rukunin manyan ciyayi masu yawa waɗanda aka fi sani da reed ko sanda. Arinus Arrundo ya hada da kimanin guda 15 da aka rarraba a duk duniya cikin yanayin da kuma yankuna masu zafi. Waɗannan tsire-tsire ana siffanta su da tsayi, ƙwanƙolin ƙuƙuka (tsawon tushe), dogayen kunkuntar ganye, da manyan inflorescences (tsarin furanni). An san nau'in Arundo don amfani daban-daban, ciki har da kayan ado, samar da kwayoyin halitta, da kula da yashwa, da sauransu.