OregonFlora species comparison

sometimes trailing and rooting at the nodes;

nodes terete or slightly compressed; (0)1–3 exserted.

intravaginal.

sheaths closed about 25– 50% of their length, usually densely scabrous, bases of basal sheaths glabrous;

collars smooth or scabrous, glabrous;

ligules 3–10 mm;

blades flat, 1–5 mm wide, scabrous.

erect or lax; pyramidal; open, 8–25 cm;

spikelets 35–100+;

branches ascending to spreading, flexuous to fairly straight, 2–8(10)cm, 3–7 per node, with 5–35 spikelets in distal 50–75%.

to 3 times as long as wide, 2.5–4(5)mm;

florets 2–4;

rachilla internodes smooth or muriculate.

keels scabrous;

lower glumes subulate to narrowly lanceolate, usually arched to crescent-shaped, 1-veined, distinctly shorter than lowest lemma.

with cobwebby hairs more than 67% as long as the lemma.

lanceolate, distinctly keeled, 2.3– 3.5 mm;

keels with usually sparse, inconspicuous; soft; short hairs in the proximal 67%; marginal veins glabrous or infrequently with short hairs on the proximal 25%; area between the veins smooth, glabrous; upper lemmas sometimes glabrous throughout;

margins glabrous;

tips acute.

1.3–2 mm.

=14.