Flora of North America species comparison

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

20-100 cm.

glabrous, smooth;

ligules to 5 mm;

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

smooth to scabridulous;

ligules 1-3(4) mm, rounded to broadly acute, erose;

blades 13-17 cm long, 5-7 mm wide, scabrous.

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

pedicels not developed;

stipes 0.1-0.6 mm.

8-15 cm, lobed or interrupted, usually purplish;

pedicels absent or vestigial;

stipes 0.3-0.5 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.

1.5-3 mm, smooth to echinate, margins ciliate, apices acute to truncate, unlobed or lobed, lobes to 0.1 mm, awned, awns (3)4-6 mm, flexuous;

lemmas 1-1.3 mm, awned, awns 2-3.5 mm, flexuous;

paleas from shorter than to subequal to the lemmas;

anthers 0.3-0.5 mm.

= 28, 42.

= unknown.