OregonFlora species comparison

basal branching intravaginal.

sheaths closed more than half their length, glabrous, not conspicuously splitting between the veins;

collars glabrous;

ligules 0.1–0.5 mm;

blades 1.7–6 cm × 0.3–0.5(1)mm, conduplicate, glabrous or with minute hairs on inner surface; flag leaves 0.8–2.5 cm.

(0.8)1.5–2.5 cm;

branches 0.4–0.8 cm, appressed after anthesis.

3.5–5.4 mm, 2–4 florets.

glabrous or minutely scabrous at the tips;

lower glumes 1.8–3 mm, 1-veined;

upper glumes 2.3–3.5(4.3) mm, 3-veined.

1.8–2.5 mm, glabrous.

apex glabrous.

cross section (0.25)0.3–0.5(0.8)mm by 0.35–0.95 mm; more or less round;

veins 3–5;

ribs 1(5); dorsal sclerenchyma bands less than 2 times as wide as thick (except sometimes at the midrib).

2.5–5.5 mm, 0(1)-veined, minutely scabrous at the tip;

lemma awns 0.7–2 mm.

0.4–0.8(0.9) mm when dry, 0.9– 1.2 mm when fresh or rehydrated, usually retained long past anthesis.

=28.