Flora of North America species comparison

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

25-100 cm, erect or decumbent.

compressed, glabrous or pubescent;

ligules 1-2.1 mm;

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

slightly compressed;

ligules 0.6-1.3 mm;

blades 6-30 cm long, 0.4-1.1 cm wide, adaxial surfaces glabrous or sparsely pilose.

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.

4-15 cm;

rachis internodes 0.8-1.7 mm;

fascicles 5-8 mm long, 2-A.5 mm wide, imbricate, globose, villous at the base, tawny;

outer bristles 5-25, the majority equaling or slightly exceeding the inner bristles but narrower and terete, arising in a whorl at the base of the fascicles;

inner bristles 4-10, 2-4 mm long, 0.6-1.8 mm wide at the base, flattened, not grooved, erect or interlocking at maturity, fused for 1/3 their length or more, forming a globose cupule.

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

2-3 per fascicle, 3-6 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.

0.5-2.5 mm;

upper glumes 2.2-4.9 mm, 3-5-veined;

lower lemmas 3-5.5 mm;

upper florets 3.6-5.4 mm;

anthers 0.8-2.3 mm.

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

1.9-2.6 mm long, 0.8-1.9 mm wide, ovoid.

= 34.

= 34.