Magnoliophyta
Liliopsida
Poaceae
Panicum
Panicum antidotale
Lower florets usually male. Leaf blades 4–5 mm wide. Panicle dense, 15–20 cm long. Perennial up to 100 cm high, with rhizomes. Spikelets 2–3 mm long. Pastures; waste places. Introd. from India. Fl. summer. Giant Panic