Flora of North America species comparison

10-70 cm, decumbent, branching and rooting at the lower nodes.

5-200 cm, stout, glaucous.

compressed, glabrous or pubescent;

ligules 1-2.1 mm;

blades 2-14 cm long, 3-14.2 mm wide.

from shorter than to equaling the internodes;

ligules 1.5-2(3.4) mm;

blades 12-40 cm long, 4-13 mm wide, glabrous or sparsely pilose adaxially.

2-8.2 cm;

fascicles 9-16 mm long, 4-8 mm wide, imbricate, ovoid, densely pubescent;

bristles 15-43;

outer bristles usually present, flattened or terete;

inner bristles 4-8 mm long, 1.2-3 mm wide, fused for at least 1/2 their length, forming a distinct cupule, the distal portions diverging at irregular intervals from the cupule, stramineous or purple.

4-23 cm;

fascicles 3.8-8 mm long, 1.2-2.6 mm wide, composed of several whorls of bristles, not burlike;

bristles 3-5.8 mm long, 0.2-0.6 mm wide, fused only at the base, not forming a cupule, terete, increasing in size inwards, inner bristles pubescent on the lower 1/2 - 2/3.

1(2) per fascicle, 6-8.8 mm.

1(2-3) per fascicle, 3.8-4.8(5.6) mm.

1-4 mm;

upper glumes 4.9-6.8 mm, 3-7-veined;

lower lemmas 5.5-7.5 mm, 3-7-veined, enclosing the palea;

upper lemmas 6-8.7 mm;

anthers 0.8-2.8 mm.

1.5-3 mm;

upper glumes 3-5 mm, 3-5-veined;

lower lemmas 3-5.5 mm;

upper lemmas 3.8-5.4 mm;

anthers 0.8-2.2 mm.

2.6-4 mm long, 2.2-3.1 mm wide, ovoid-elliptic.

1.5-2.6 mm long, 1-1.5 mm wide, ovoid.

= 34.

= (54), 70.