OregonFlora species comparison

with bases somewhat compressed-keeled;

internodes glabrous; shiny below the nodes.

0.4–1 mm thick;

internodes usually nodulose for most of their length, puberulent or nodulose 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 0.4–6.5 cm × 0.5–4.2 mm; flat or involute; straight or curving; lower/outer surface glabrous; upper/inner surface minutely hairy.

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.

spike-like, 1–1.5 × 0.1–1.7 cm; inflorescence axes usually concealed by the branches;

primary branches 0.4–5 cm × over 0.1 mm thick, usually closely appressed at maturity, rarely diverging up to 20° from the inflorescence axes;

pedicels 0.2–2 mm.

1.2–2.1 mm.

1.7– 3.1 mm.

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

tips acute.

subequal, 0.6–2 mm, 33–50% as long as the lemmas, green, 1(2)-veined; acute, sometimes with short points less than 0.2 mm;

tips acute, sometimes mucronate.

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.

1.7–3.1 mm, lanceolate; dark greenish, gray or mottled, glabrous;

tips minutely scabrous; acute to acuminate, sometimes mucronate; mucros to 0.5 mm.

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

0.9–1.6 mm, yellow to purplish.

=20, 22, 28.

=40.