Panicum L.
Spikelets all similar, globular or ellipsoid. Inflorescence usually broad and/or the spikelets distant. Leaves usually not xeromorphic Panicum
Plants erect with much branched panicles mostly more than 10 cm long
Swelling present at the base of the stem. Plants c. 1 m high. Panicle c. 25 cm long. Spikelets 5 mm long. Leaf blades 5–6 mm wide. Richmond district. Escaped from cultivation. Introd. from Mexico. Fl. summer. Bulbous Panic Panicum bulbosum
No swelling present at the base of the stem