Flora of North America species comparison

60-250 cm tall, 5-8 mm thick below;

nodes pilose.

evenly distributed;

ligules 0.5-1 mm;

blades 20-80 cm long, 0.5-3 cm wide, adaxial surfaces densely pilose basally, midribs prominent, whitish.

15-40 cm long, 8-16 cm wide, white to yellowish-brown, usually with more than 15 branches;

rachises 4-10 cm;

nodes pilose;

branches 10-35 cm long, about 10 mm wide, sometimes branching at the base.

4-6 mm;

callus hairs 2-4 times as long as the spikelets, copious, white.

2-keeled above, margins densely pilose distally, hairs to 15 mm;

upper glumes 4-5 mm, 3-veined, margins ciliate distally;

awns of upper lemmas absent or short, not exceeding the glumes.

pedicels 1.5-3 mm;

longer pedicels 3-7 mm, strongly curved at maturity.

= 38, 57, 64, 76, 95.