A. ludoviciana Durieu, . A. persica Steud., Vegetative form . Mid-culm nodes rarely sparsely hairy or glabrous, not pigmented.
Basal leaf sheaths glabrous or scabrous or pubescent.
Reproductive organization . Rudimentary spikelets absent. Hermaphrodite spikelets 20-35 mm long. Lower glume 20-34 mm long. Upper glume 20-34 mm long.