Flora of North America species comparison

30-60 cm, slender.

pilose-pubescent to nearly glabrous;

blades 7-28 cm long, 2-9 mm wide, pilose or glabrous.

10-20 cm long, 3-9 cm wide, erect, dense;

branches appressed to spreading, sometimes flexuous.

15-20 mm, elliptic to lanceolate, more or less terete, with 3-9 florets.

glabrous, acuminate;

lower glumes 8-10 mm, 1-veined;

upper glumes 12-16 mm, 3(5)-veined;

lemmas 11-14 mm, lanceolate to linear-lanceolate, sparsely pubescent, 5-veined, rounded over the midvein, apices acuminate, bifid, teeth 2-3 mm, usually aristate, sometimes acuminate;

awns 13-20 mm, geniculate, strongly to moderately twisted in the basal portion, arising 1.5 mm or more below the lemma apices;

anthers 2-2.5 mm.

= unknown.