Phalaris L.

Male or sterile lemma awnless or with a terminal awn Phalaris

Spikelets not in groups; all with 1 bisexual floret.

Panicle cylindrical, more than twice as long as broad

Panicle cylindrical, neither lobed nor interrupted, 5–40 cm long. Spikelets densely crowded, 3.5–7.5 mm long. Robust perennial to 2 m high

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Panicle more than 1 cm diam. Glumes winged, usually acuminate

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Stems slightly to much swollen at the bases of the lower internodes. Erect tufted perennial 1–2 m high with short creeping rhizomes. Sterile lemmas 2, unequal (Fig. 49 c). Glumes winged, 6–7 mm long. Panicle 5–12 cm long, 1–2 cm diam. Blue Mts Pasture grass. Introd. from the Mediterranean. Fl. spring–summer. Phalaris Phalaris aquatica

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Stems not swollen near the base. Erect annual usually c. 1 m high. Sterile lemma 1. Glumes winged, 6–7 mm long. Panicle 3–8 cm long, 1–2 cm diam. Widespread. Pasture grass; weed. Fl. spring. Lesser Canary Grass Phalaris minor