OregonFlora species comparison

erect or decumbent, sometimes with saucer-like glands below the nodes.

sheaths glabrous or occasionally glandular; tops with hairs to 5 mm;

blades (1)5–20 cm × (1)3–5(10)mm;

lower surfaces glabrous or sometimes glandular;

margins with conspicuous glands.

(3)5– 16(20) × 2–8.5 cm, oblong to ovate, condensed to open;

primary branches 0.4–5 cm, appressed or diverging 20–80° from the inflorescence axis;

pedicels 0.2–3 mm; stout; straight; stiff, usually divergent, occasionally appressed;

disarticulation below the florets; each floret falling as a unit;

rachillas persistent.

6–20 × 2–4 mm, gray or greenish, 10–40 florets.

broadly ovate to lanceolate, membranous, usually glandular;

lower glumes 1.2–2 mm, usually 1-veined;

upper glumes 1.2–2.6 mm, usually 3-veined.

0.5–0.7 mm, globose to broadly ellipsoid, not grooved.

2–2.8 mm, broadly ovate, membranous;

keels with 1–3 saucer-like glands, obtuse to acute.

1.2–2.1 mm; hyaline;

keels scabrous or sometimes also ciliate.

3, 0.2–0.5 mm, yellow.

=20.