1) Genus arundo 2) Liliopsid genus 3) Monocot genus 
Arundo is a genus of grasses now usually limited to the Arundo Donax and the species which most nearly agree with it, commonly called reeds. Arundo Donax is a native of the south of Europe, Egypt, and the East. It is one of the largest grasses in cultivation, and attains a height of about three metres. Its canes or stems were formerly used for fish...
[n] - any of several coarse tall perennial grasses of most warm areas: reeds
genus Arundo noun any of several coarse tall perennial grasses of most warm areas: reeds