Flora of North America species comparison

to 100 cm, erect or decumbent at the base.

10-90 cm, sometimes decumbent and rooting at the lower nodes.

smooth, glabrous;

ligules 4-8 mm, scabridulous, lacerate;

blades 10-30 cm long, 4-15 mm wide.

glabrous, smooth;

ligules to 5 mm;

blades 2-13 cm long, 1-6 mm wide.

10-30 cm, erect or nodding, interrupted, dense;

pedicels not developed;

stipes 1.5-2.5 mm.

2-10 cm, ovate-oblong to pyramidal, dense but interrupted, pale green to purplish;

pedicels not developed;

stipes 0.1-0.6 mm.

3-5 mm, hispidulous, tapering from about midlength to the acute apices, apices unlobed, awned, awns 1-3 mm;

lemmas about 1.5 mm, awned, awns 1-2 mm, arising from above midlength;

paleas 1/2 - 2/3 as long as the lemmas;

anthers 0.5-0.7 mm.

1.5-2 mm, scabrous on the back and keel, apices obtuse or truncate, unawned;

lemmas about 1 mm, erose, unawned;

paleas subequal to the lemmas;

anthers 0.3-0.5 mm.

= 28, 56.

= 28, 42.