Oryza longistaminata

Oryza longistaminata (AA genome type) is a wild rice, Perennial, tall (2 m or more), erect, and rhizomatous grass; ligule of lower leaves >15 mm, acute or 2-cleft; panicles open to intermediately open; spikelets 4.5-11.4 mm long and 2-3 mm wide, awned (2-5 cm long); anther 1.5-8.2 mm long.
Source : Ensembl Plants