Magnoliophyta
Liliopsida
Poaceae
Phalaris
Phalaris angusta
Panicle usually c. 5 mm diam. (rarely up to 10 mm), up to 6 cm long. Glumes ± wingless, blunt, usually finely toothed on the margins. Annual, usually c. 1 m high. Coast. Floodways. Introd. from America. Fl. spring.