Flora of North America species comparison

20-75 cm, slender, strictly erect;

nodes glabrous;

internodes often pilose.

mostly glabrous or pilose throughout, collar and distal portion of the margins densely pilose;

ligules to 0.5 mm, membranous, ciliate;

blades 1-3(5) mm wide, flat or becoming inrolled, hispid, with long hairs on the adaxial surface just above the ligule, apices attenuate.

5-16 cm long, 2-9 cm wide, open or loosely contracted;

branches (2)4-7 cm, slender, lax, strongly divergent to drooping, basal portion naked, spikelets confined to the distal portion;

pedicels (2)3-6 mm.

6-13 mm, with 6-12 florets.

glabrous, 1-veined;

lower glumes 3 mm;

upper glumes 3.5-4 mm, bright green;

lemmas 3-4.5 mm, usually purple or rosy-purple at maturity, beins pilose to midlength, lateral veins often excurrent as short points;

paleas 3-3.5 mm, glabrous, abruptly broadened and bowed-out below;

anthers 1-1.5 mm.

1.5-2 mm.

= 40.