Flora of North America species comparison

to 100 cm.

to 120 cm.

folded in the bud;

blades usually 10-30 cm long, (1)2-4(6) mm wide.

to 27 cm long, 1-12 mm wide.

3-30 cm, with 5-37 spikelets;

rachises 0.5-2.5 mm thick at the nodes, often flexuous.

2-40 cm, with 3-26 spikelets;

rachises 0.5-3.5 mm thick at the nodes, spikelets not sunken in the rachises, not concealed by the glumes.

5-22 mm long, 1-7 mm wide, with (2)5-9(10) florets.

5-28 mm long, 1-8 mm wide, with 2-10 florets.

3.5-15 mm, (1/3) 1/2 - 3/4 as long as to slightly exceeding the distal florets, membranous to indurate;

lemmas 3.5-9 mm long, 0.8-2 mm wide, unawned or awned, awns to about 8 mm, attached 0.2-0.7 mm below the apices;

paleas shorter than to slightly longer than the lemmas;

anthers 2-4.2 mm.

5-28 mm, membranous to indurate;

lemmas 3.5-8.5 mm long, 1.2-3 mm wide, unawned or awned, awns to 23 mm, attached 0.2-2 mm below the apices;

paleas 1.2 mm shorter than to 0.8 mm longer than the lemmas, often wrinkled;

anthers 1.5-4 mm.

3-5.5 mm long, 0.7-1.5 mm wide, 3 or more times longer than wide.

3.2-7 mm long, 1-3 mm wide, 2-3 times longer than wide, turgid.

= 14.

= 14.