OregonFlora species comparison

ligules of sterile shoots longer than wide;

basal ligules 0.7–4 mm; upper ligules 3–7.5 mm;

blades 2–10 cm × 2–6 mm; flat.

ligules 2.3– 7 mm;

tips acute, usually lacerate;

blades 6–20 cm × 2–5 mm; flat.

(3)4–20 × 0.5–3(6)cm, contracted, oblong to lanceolate, with 1–7 branches at the lowest node;

branches ascending to appressed, contracted after anthesis; some branches at each node spikelet-bearing to the base.

7–22 × 1.5–5.5(7)cm; narrow to widely open; lowest node with 2–15 branches;

branches ascending to more or less appressed, mostly branching at or above mid-length; some branching near base.

lanceolate, yellow-green, often tinged with purple.

1.6–3 mm, 1-veined;

tips acute to acuminate or with a minute point.

2.5–4 mm, scabrous or minutely so on the margin at least distally, occasionally over the back;

tips acute, sometimes toothed;

teeth to 0.2 mm.

with sparse hairs to 0.5 mm.

with conspicuous hairs 0.8–2 mm.

1.4–2 mm; smooth, 5-veined;

veins sometimes excurrent to about 0.1 mm;

tips acute to obtuse, often entire, usually awnless;

lemma awns; if present, 0–1 mm long, arising near the tip; straight.

2–3 mm, 5-veined;

tips acute; entire to erose, sometimes toothed;

teeth to about 0.2 mm; awnless.

0.7–1.4 mm; at least as long as the lemmas.

absent or minute.

3, 0.9–1.4 mm.

1.5–2.3 mm.

=28.

=42.