Flora of North America species comparison

30-80 cm, erect, or decumbent and rooting at the nodes.

60-140 cm, erect.

6-12 cm long, 5-10 mm wide, usually folded, apices obtuse.

to 31 cm long, 10-15 mm wide, usually folded, apices obtuse.

with (6)8-15 branches;

branches 4-10 cm, straight, somewhat stiff.

with 10-36 branches;

branches 6-17 cm, flexible.

1.5-2.1 mm;

florets 2.

2.4-3 mm;

florets 2(3).

1.1-1.3 mm, linear-lanceolate, acute;

upper glumes 1.3-1.5 mm, oblanceolate, apices truncate or bilobed, mucronate, mucros to 0.4 mm;

calluses with a few short hairs;

lowest lemmas 1.7-2 mm, lanceolate to ovate, not strongly keeled, midveins glabrous, lateral veins with widely spreading, white, 1-2 mm hairs, apices acute to mucronate;

second lemmas 1.1-1.2 mm, broadly cuneate, apices truncate.

(1.2)1.5-2 mm, lanceolate, apices acute;

upper glumes 1.6-2.6 mm, narrowly oblong, apices truncate or bilobed, awned, awns 0.3-0.6 mm;

calluses with a few hairs, hairs about 0.3 mm;

lowest lemmas (2.2)2.5-2.9 mm, lanceolate, not strongly keeled, keels glabrous, lateral veins with strongly spreading, white, 1-1.8 mm hairs, apices acute to mucronate;

second lemmas 1.2-2 mm, oblanceolate, apices obtuse, third rudimentary lemma occasionally present.

about 1 mm.

1.1-1.2 mm.

= 40.

= 40.