Panicum L.

Spikelets all similar, globular or ellipsoid. Inflorescence usually broad and/or the spikelets distant. Leaves usually not xeromorphic Panicum
consider the other alternative
Lower glume 60% or less the length of the spikelet
consider the other alternative
Lower glume acute
consider the other alternative
Tufted grasses, not aquatic or semi-aquatic
consider the other alternative
Leaf sheaths hispid; leaves usually more than 10 mm wide
choose this alternativereject this alternative
Spikelets 5 mm long, ovate, acuminate. Panicle 10–30 cm long. Annual up to 100 cm high. Leaf blades 15–20 mm wide, hairy to almost glabrous. Widespread. Weed in cultivated areas. Introd. from Europe and Asia. Fl. summer. Millet Panic Panicum miliaceum
choose this alternativereject this alternative
Spikelets 2–3 mm long. Panicle dense, up to 40 cm long. Annual up to 80 cm high. Leaf blades 5–15 mm wide, hispid. Pastures; roadsides. Introd. from N. America. Fl. summer. Witchgrass Panicum capillarecapillare