Amphibromus nervosus

Tufted perennial (rarely rooting at the nodes); culms to 1.2 m high. Leaves glabrous, smooth or slightly scabrous; blade flat, folded or inrolled, to 30 cm long and 1.5–3.5 mm wide; ligule acute, 7–20 mm long. Inflorescence a slender, erect panicle, often interrupted and incompletely exserted, to 40 cm long. Spikelets 4–6-flowered, 10–16 mm long (excluding awns), green; glumes obtuse, often erose at apex, the lower 1–3-nerved, 3–5.5 mm long, the upper 3–5-nerved, 4–6.5 mm long; lemma 5–7.2 mm long, sparsely to moderately scabrous, apical teeth 2, or if 4, the lateral pair reduced, inner pair 0.3–1 mm long; awn 12–22 mm long, inserted 40–55% of the lemma length from the apex, column 4–9 mm long; palea slightly shorter than lemma. Flowers Oct.–Jan.