OregonFlora species comparison

with bases somewhat compressed-keeled;

internodes glabrous; shiny below the nodes.

often rooting at the lower nodes, not nodulose;

internodes glabrous.

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 1–4(6) cm × 0.6–1.6 mm; flat or involute; lower/outer surface smooth or minutely scabrous; upper/inner surface scabrous or 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.

spike-like, 1.6–6 × 0.2–0.5 cm, interrupted near the base; long-exserted from the upper leaf sheath;

primary branches 0.9–1.2 cm ×over 0.1 mm, appressed at maturity or diverging 30(40)°;

pedicels 1–3 mm, scabrous.

1.2–2.1 mm.

1.5–3.2 mm.

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

tips acute.

greenish gray, glabrous, 1-veined, rounded to subacute;

lower glumes 0.6–1.4 mm;

upper glumes 0.7–1.7 mm;

tips rounded to subacute.

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.

(1.5)1.8–2.5(3.2)mm, lanceolate; dark greenish, appressed-pubescent on the margins and midveins;

hairs shorter than 0.3 mm;

tips minutely scabrous; acute to acuminate; awnless, sometimes with small points at the tip.

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

0.5–1.2 mm; purplish.

=20, 22, 28.

=18.