Loudetia phragmitoides (Peter) C.E.Hubb.

A pampas-like perennial tussock grass; culms 2–4 m. high, stout, smooth or hirsute, erect.. Leaf-blades linear, flat or convolute when dry, up to 1 m. long, 20 mm. wide, rigid.. Panicle narrowly oblong, 40–60 cm. long, dense and contracted.. Spikelets linear, 6–7 mm. long, yellowish brown; lower glume narrowly ovate, 1/2 as long as the spikelet, sparsely setose from brown tubercles, narrowly obtuse to subacute; upper glume lanceolate, as long as the spikelet, usually setose; lower lemma lanceolate, as long as the spikelet, glabrous, accompanied by a palea but barren; upper lemma 3–4 mm. long, loosely hirsute with spreading silky hairs 1–2 mm. long; awn not deciduous, with short (1.5–3 mm.) column and falcate limb 9–16 mm. long; callus oblong, 0.2 mm. long, truncate; stamens 2.