OregonFlora species comparison

with hairy internodes and shorthairy nodes.

sheaths not inflated or compressed, with spreading papillose-based hairs;

blades 15–40 cm × 7–25 mm.

dense, usually nodding, 6–20 × 4–11 cm, included in or shortly exserted from the uppermost sheaths at maturity;

branches appressed to spreading;

spikelets confined to the distal portions;

pedicels 1–9 mm.

ovoid, 4–6 mm, usually glabrous.

lower glumes 2.8–3.6 mm, 50–75% as long as the spikelets, 5–7-veined;

upper glumes 4–5.1 mm, slightly exceeding the upper florets, 11–13(15)-veined.

4–4.8 mm, 9–13-veined, similar to the upper glumes.

50% or less the length of the upper florets.

3–3.8 × 2–2.5 mm; leathery or hard; smooth or striate; more or less shiny.

1–2 mm.