Ammophila
1 species naturalized Aust.; all states and territories except NT
*Ammophila arenaria
Spikelets with 1 floret, pedicellate, disarticulating above the glumes. Glumes subequal, 10–12 mm long, awnless. Lemma equal to the glumes, awnless, toothed near the apex. Inflorescence a dense spike-like panicle, 10–25 cm long. Stoloniferous perennial up to c. 1 m high. Leaf blades inrolled, with a sharp point; ligule hyaline, 20–30 mm long. Planted as a sand-binder on coastal dunes. Introd. from the Mediterranean. Marram Grass