Alloteropsis semialata, as tufted, perennial grass has spikelets that are typically dark grey and quite conspicuous. It is does not like to be disturbed, once established. Height of the culms can vary from 300mm to 1300mm. Make sure the clone of Alleoteropsis semialata you are dealing with suits the environment where you want to establish it.
The spikelets of Alloteropsis semialata, a perennial, tufted grass are typically dark grey and quite conspicuous.