OregonFlora species comparison

with bases somewhat compressed-keeled;

internodes glabrous; shiny below the nodes.

0.9–1.7 mm thick, not nodulose;

internodes glabrous for most of their length, scabrous to short-hairy below the nodes.

blades 2–7(11) cm × 1–2.8(4)mm; flat, occasionally conduplicate;

lower surface smooth or minutely scabrous;

upper surface minutely scabrous;

margins and midveins not conspicuously thickened; greenish;

tips acute.

blades 4–16 cm × 2–4(5)mm; flat at maturity;

lower surface scabrous;

upper surface pubescent.

6–21 × 4–16 cm, broadly ovoid; open;

branches whitish;

primary branches 3–12 cm × 0.05–0.1 mm; capillary; lower branches spreading, not appearing clustered;

pedicels 3–14 mm; longer than the spikelets.

2–15 × 0.5–2.8 cm, contracted; dense;

primary branches 0.5–5 cm × over 0.1 mm, appressed or strongly ascending, diverging up to 30(40)° at maturity;

pedicels 0.5–1.5 mm, appressed, strigose.

1.2–2.1 mm.

2–4 mm.

equal, 0.6–1.7 mm, 1-veined; purplish, minutely scabrous particularly on the veins;

tips acute.

equal to subequal, 2–4 mm, subequal to or longer than the florets and lemmas, 1-veined;

veins minutely scabrous;

tips acuminate to awntipped.

1.2–2.1 mm, lanceolate to oblong-elliptic; somewhat gray, glabrous; smooth, occasionally minutely scabrous near the tips;

tips acute; awnless or mucronate; the mucros to 0.3 mm.

2–3.5 mm, lanceolate; grayish green; hairy on the calluses and lemma bases;

hairs 2–3.5 mm and 75% as long or longer than the lemmas;

tips acuminate;

lemma awns 1–10 mm.

1–1.3 mm; greenish yellow to purplish at maturity.

0.4–1.5 mm, yellow.

=20, 22, 28.

=20.