OregonFlora species comparison

with nodes hidden.

mainly basal;

sheaths pale, glabrous, papillose, conspicuous at the base of the plant and persisting for more than 1 year; entire, forming a dense tuft of split tubes at the base of the plant;

collars glabrous;

ligules 0.1–0.5 mm;

blades 0.5–1.1 mm wide when tightly folded, 1.6–2.5(3)mm wide when flat or loosely rolled; somewhat stiff;

outer surface papillose;

inner surface with long hairs; flag leaves 2.5–7.5 cm.

5–18 cm; lowest node with 1–3 spreading branches 2.5–7(13)cm.

8–12(16) × 2.5–7 mm, with (3)4–5(7) florets.

glabrous or scabrous at the tips;

lower glumes 4.5–7.5(8.5)mm, 1(3)-veined;

upper glumes 5.3–8.2(9) mm; (1)3-veined.

3.5–4.5 mm; hairy at the tip.

apex hairy.

(6.2)7– 8.5(10)mm; (0)5-veined, slightly scabrous throughout, rarely glabrous;

lemma awns 0.5–1.5 mm.

(3.3)4.5–6 mm.