Flora of North America species comparison

20-80 (90) cm, more or less decumbent.

(8.5) 15-60 cm, often decumbent at the base and rooting at the nodes.

smooth;

ligules 2-6 mm, scabridulous-pubescent;

blades 5-9 cm long, 3-6 mm wide.

smooth;

ligules 2-8 mm;

blades 2-16 cm long, 2-11 mm wide, scabrous.

3-15 cm long, 0.5-3 cm wide, usually interrupted or lobed;

pedicels not developed;

stipes 0.2-0.7 mm.

3-15 cm long, 0.5-5 cm wide, narrowly ovoid, oblong, or cylindrical, dense, usually lobed, pale green or yellowish;

pedicels absent or to 0.5 mm;

stipes 0.2-1.3 mm.

2-3 mm, subequal, scabrous, larger prickles extending up the keel beyond midlength, not tapering to the apices, apices acute to truncate, unlobed or the lobes to 0.1 mm, awned, awns 1.5-3.2 mm, those of the lower and upper glumes subequal;

lemmas 0.8-1.5 mm, glabrous, smooth and shiny, apices obtuse, not emarginate, awned, awns 1-3.2 mm;

paleas about 3/4 as long as the lemmas;

anthers 0.5-0.7 mm.

1.8-2.4 mm, equal to subequal, scabridulous to echinate, not tapering to the apices, apices acute to rounded, lobed, lobes 0.1-0.2 mm, awned from the sinuses, awns 0.6-3 mm, those of the lower and upper glumes subequal to equal, flexuous;

lemmas 0.9-1.2 mm, smooth, unawned or awned, awns to 2 mm, flexuous;

paleas 0.7-1.2 mm, from 3/4 as long as to equaling the lemmas;

anthers 0.3-0.6 mm.

= 28, 42.

= 42.