Flora of North America species comparison

(30)40-90 cm, glabrous or puberulent above.

sparsely sericeous to densely pubescent, old sheaths persistent, disintegrating into wavy, curled, or arched fibers;

ligules 0.5-1 mm;

blades 5-24 cm long, 1-5 mm wide, flat, margins of the basal blades often ciliate below, with hairs usually longer than 2 mm.

5-22 cm long, 1-4(5) cm wide;

branches villous.

6-10 mm, with 2-4(5) florets;

rachillas with scattered pubescence.

acute, glabrous, smooth or scabrous;

lower glumes 4-5 mm, 1-veined;

upper glumes 5-6.5 mm, 3-veined;

calluses broadly rounded, pubescent;

lemmas 4-6 mm, glabrous or puberulent, rarely ciliate, usually green when young, stramineous at maturity, apices acuminate to shortly aristate;

anthers 2-2.5 mm.

2.5-3.8 mm.

= 14.