Flora of North America species comparison

20-100 cm, erect, or decumbent and rooting at the nodes.

20-70 cm, erect.

(2)5-8(26) cm long, 4-10 mm wide, folded, apices obtuse.

2-22 cm long, 4-10 mm wide, flat or folded, apices obtuse or mucronate.

with (1)4-6(11) branches;

branches 2-11.5 cm.

with 3-10 branches;

branches 3-9 cm.

1.5-2.1 mm;

florets 2-3.

2-2.5 mm;

florets 2.

1-1.7 mm, apices acute;

upper glumes 1.5-1.8 mm, obovate, bilobed, lobes acute or obtuse, awned from between the lobes, awns 0.3-0.9 mm;

calluses glabrous or with a few hairs, hairs to 0.3 mm;

lowest lemmas 1.5-2 mm, ovate, dark brown at maturity, lateral veins and keels with appressed, brown hairs, hairs to 0.4 mm, apices mucronate;

second lemmas about 1 mm, broadly cuneate, occasionally mucronate, apices rounded or truncate.

0.9-1.3 mm, acute;

upper glumes 1.6-1.8 mm, obovate, apices bilobed, lobes obtuse, awned, awns 0.4-0.7 mm;

calluses sparsely hairy;

lowest lemmas 2.1-2.5 mm, ovate, tawny to reddish-brown at maturity, lateral veins and keels with spreading, white, 0.5-1 mm hairs, apices mucronate;

second lemmas 1.2-1.5 mm, obconic, truncate.

1-1.2 mm.

1.1-1.2 mm.

= 40.

= unknown.