Flora of North America species comparison

(50)80-150 cm, branching and sprawling, often becoming matted, usually rooting at the lower nodes;

upper nodes appressed pubescent;

internodes glabrous basally, appressed pubescent distally.

(25)40-120(150) cm.

densely tomentose, hairs 0.5-5.2 mm, spreading, papillose-based, often sticky and smelling of linseed oil;

ligules of hairs, 1-2 mm;

blades 3.5-19 cm long, 4-14 mm wide, flat, pubescent, hairs sometimes papillose-based.

sheaths not strongly overlapping;

blades (3)1-30(44) cm long, (1.3)2-3.5(4.5) mm wide, rolled.

(4.5)7-20 cm long, 1-9.5 cm wide, narrowly ovate;

primary branches to 8 cm;

pedicels usually shorter than the spikelets, glabrous, scabridulous.

contracted.

1.7-2.4 mm, usually purplish;

calluses glabrous.

3.2-5.7 mm long, 2 mm wide, often densely covered with hairs, hairs to 4 mm, white or pink to purple.

separated by 0.3(0.6) mm;

lower glumes about 0.5 mm, awns 1-2(3) mm.

absent or to 0.3 mm, glabrous, scabridulous;

upper glumes 1.6-2.4 mm, glabrous, unawned, sometimes muticous;

lower florets sterile;

lower lemmas bilobed, lobes 0.2-0.7 mm, unawned or awned, awns to 18 mm;

lower paleas absent;

upper lemmas 1.4-1.9 mm, glabrous;

upper paleas 1.5-1.9 mm, usually slightly longer than the upper lemmas;

anthers 3, 1-1.5 mm, reddish-brown to orange.

0.9-1.2 mm long, 0.3-0.4 mm wide.

scabrous, with hairs to 7 mm.

= 36.

= 36.