Flora of North America species comparison

3-50 cm, glabrous.

glabrous or pilose;

ligules 1-2 mm, erose-ciliolate;

blades 2-15 cm long, 1-8 mm wide, pubescent.

(0.5) 1.5-12 cm long, 0.5-1.6 cm wide, cylindrical, usually not interrupted at the base, green;

branches and pedicels scabrous.

2.8-4.5(7) mm, laterally flattened, with 3-6 florets;

rachillas pubescent, not prolonged beyond the upper floret.

scabrous to irregularly hirsute;

lower glumes 1.8-3.5 mm;

upper glumes 2-4.4 mm;

calluses blunt, usually glabrous, occasionally with a few scattered hairs;

lemmas 2.8-3.7 mm, ciliate over the keels;

lower lemmas with papillose-based hairs or irregularly hirsute, awns 1-3 mm;

uppermost lemmas merely scabrous and more shortly awned or unawned;

anthers 0.2-0.5 mm;

ovaries glabrous.

= 14, 26, 28.