OregonFlora species comparison

basal branching extravaginal.

mainly cauline;

sheaths open, glabrous, splitting between the veins toward the end of the season;

collars glabrous;

blades 1.8–6(7) mm wide; flat; lax;

upper surface scabrous or pubescent;

lower surface glabrous.

8–25 cm;

branches more or less spreading.

7–10.5 × (1)1.5– 3 mm, 2–6 florets.

glabrous or nearly so;

lower glumes 1.7–4.2 mm, 1-veined;

upper glumes 2.3–5.8 mm, 3-veined.

2.5–3.5 mm; hairy at the tip.

apex hairy.

0.1–0.2(0.3)mm; wider than long, glabrous.

4.8–7 mm, with (3)5 veins, scabrous or short-hairy throughout;

lemma awns (1)2–5(8)mm, generally straight.

2–4 mm.