Panicum L.

Spikelets all similar, globular or ellipsoid. Inflorescence usually broad and/or the spikelets distant. Leaves usually not xeromorphic Panicum
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Lower glume 60% or less the length of the spikelet
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Lower glume acute
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Tufted grasses, not aquatic or semi-aquatic
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Either; leaf sheaths glabrous; or, if hispid, then leaf blade c. 5 mm wide or less
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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 Panicum antidotale
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Lower florets sterile. Leaf blades 2–4 mm wide. Panicle very open, with distant spikelets