Oplismenus Palisot de Beauvois. Subfamily: Panicoideae. Tribe: Paniceae. Subtribe: Boivinellinae. supertribe: Panicodae. clade: "PACMAD".
A genus of 5 or more species, widespread in the New World and Old World tropics, subtropics, and warm temperate areas.
ID notes:Superficially, Oplismenus somewhat resembles Arthraxon, but has the leaves only slightly cordate at the base (vs. strongly cordate-clasping).