the species is perennial and have culms that are tall by wide. leaves are cauline; leaf sheaths are purple in colour and are longer than the stem while leaf-blades are × and are stiff with adaxial bottom that is also scaberulous. its ligule is cylindrical and is long. the species' panicle is open and is long with whorled and distant branches. it spikelets are elliptic and are long. the glumes are purple in colour with pale green florets that have 2-3 fertile florets. the stem itself is with its lemma being elliptic and long. it is also herbaceous, granular-scaberulous and is 5–7-veined. both glumes are acute while the size is different; lower glume is long while the upper one is .