Flora of North America species comparison

5-65 (100) cm, erect to geniculately ascending.

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

glabrous, the uppermost sheaths sometimes inflated;

ligules 2.5-16 mm;

blades 1-20 cm long, 1-7 mm wide.

smooth;

ligules 2-8 mm;

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

1-17 cm, narrowly ellipsoid, dense, sometimes lobed, greenish;

pedicels absent or to 0.2 mm;

stipes 0.1-0.2 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.

1-2.7 mm, hispidulous throughout, largest prickles restricted to the lower 1/2, apices rounded, lobed, lobes 0.1-0.2 mm, 1/10 or less the length of the glume body, awned from the sinus, awns 4-10 mm, yellowish;

lemmas 0.5-1.5 mm, glabrous, awned, awns 0.5-1(4.5) mm;

paleas subequal to the lemmas;

anthers 0.2-1 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.

= 14, 28, 35, 42.

= 42.