Perennial up to 1500 mm high, sometimes stoloniferous; aromatic. Leaf blade 40-300 x 2-8 mm; ligule a fringed membrane, hairs shorter than the membrane. Inflorescence axis shorter than racemes; racemes 3-20; pedicel hairs 1-3 mm long. Sessile spikelet 4.5-5.0 mm long; lower glume pitted; callus hairs 1-3 mm long; anthers 1.5-2.0 mm long. Pedicelled spikelets up to 5.0 mm long.
Perennial; up to 1.5 m high; sometimes stoloniferous. Leaf blades 40-300 x 2-8 mm. Flowers: inflorescence subdigitate; axis shorter than racemes; racemes 3-20; pedicel and callus hairs 1-3 mm long; spikelets (sessile) 4.5-5.0 mm long; lower glumes with 1-3 deep pits.
Perennial, sometimes stoloniferous, up to 1.5 m high. Leaf blades 40-300 mm long, 2-8 mm wide. Spikelets (sessile) 4.5-5.0 mm long. Inflorescence axis shorter than racemes; racemes 3-20, pedicel callus hairs 1-3 mm long; lower glumes pitted.
A grass. It grows 1.5 m tall. The leaves are 4-30 cm long by 2-8 mm wide.