OregonFlora species comparison

orange-brown at the base.

sheaths mostly glabrous;

throats densely hairy;

basal sheaths reddish brown, becoming flat with age; lower ligules 0.3–1 mm, densely hairy;

hairs 0.2–1 mm; upper ligules to 2.5 mm; hyaline to scarious, glabrous or hairy;

blades 10–30 cm × 0.5–2 mm when flat but usually rolled or convolute and to 1 mm in diameter;

outer surfaces glabrous;

inner surfaces with spreading hairs.

congested, 10–15 cm;

branches ascending.

terete or slightly laterally compressed, 16–24 mm.

tapering from below mid length, glabrous;

tip narrowly acute; awnless;

lower glumes 16–24 mm, 1-veined;

upper glumes 13–19 mm, 3–5-veined.

(6)8–10 mm, 0.6–0.8 mm thick.

sharp, 0.8–1.6(3) mm; hairy.

densely and evenly hairy;

hairs approximately 0.5 mm;

lemma awns bent once, 35–45(80) mm; first segment with spreading hairs 3–8 mm; terminal segment glabrous; smooth.

3.2– 5.1 mm, approximately 50% as long as the lemma.

1–3 mm long; a tuft of hairs at the tip.

=66, 68; ±74.