Bromus suksdorfii

Vasey
Common names: Suksdorf's brome
Endemic
Treatment appears in FNA Volume 24. Treatment on page 218.
Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Plants perennial; not rhizomatous. Culms 50-100 cm, erect; nodes 2-3 (4), glabrous, internodes glabrous or puberulent just below the nodes. Sheaths glabrous; auricles absent; ligules to 1 mm, glabrous, truncate; blades (8) 12-19 (24) cm long, 4-8 (14) mm wide, flat, glabrous, margins scabrous. Panicles 6-14 cm, erect, contracted; branches erect or ascending. Spikelets 15-30 mm, elliptic to lanceolate, terete to moderately laterally compressed, with (3) 5-7 florets. Glumes glabrous or sparsely pubescent; lower glumes 7-11 mm, 1 (3) -veined; upper glumes 9-12 mm, 3-veined; lemmas 12-15 mm, elliptic, rounded over the midvein, backs and margins pubescent or nearly glabrous, apices obtuse, entire; awns 2-5 mm, straight, arising less than 1.5 mm below the lemma apices; anthers 2-3.5 mm. 2n = 14.

Distribution

Calif., Wash., Idaho, Nev., Oreg.

Discussion

Bromus suksdorfii grows on open slopes and in open subalpine forests, at about 1300-3300 m, from southern Washington to southern California.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Bromus suksdorfii"
membranous +  and scarious +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Leon E. Pavlickf +
1 (?) +  and 3 (?) +
straight +
distinct +
subterminal +  and terminal +
geniculate +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
12 cm120 mm <br />0.12 m <br /> (19 cm190 mm <br />0.19 m <br />) +
not evident +
cross +, linear +  and narrowly lanceolate +
4mm;8mm +
ascending;erect +
spikelike +
Suksdorf's brome +
not branching +
50 cm500 mm <br />0.5 m <br /> (100 cm1,000 mm <br />1 m <br />) +
not woody +
Calif. +, Wash. +, Idaho +, Nev. +  and Oreg. +
liquid +, soft +  and hard +
capillary +
pistillate +  and staminate +
sometimes longer +
5 +  and 7 +
terete +  and laterally compressed +
1-9(11)-veined +
always shorter +  and usually shorter +
lanceolate +
subtending +
pubescent +  and glabrous +
mucronate +  and acute +
unequal +
uncinate +
solid +  and hollow +
puberulent +  and glabrous +
pubescent +  and glabrous +
rounded +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
herbaceous +  and coriaceous +
lacerate +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
inconspicuous +
lanceolate +
fleshy +  and membranous +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
glabrous +  and pubescent +
concealed +  and prominent +
2 +  and 3 +
2 +  and 1 +
hairy +  and glabrous +
well-developed +
reduced +
6 cm60 mm <br />0.06 m <br /> (14 cm140 mm <br />0.14 m <br />) +
dry +  and fleshy +
1 +  and 60 +
not viviparous +
elliptic +  and lanceolate terete +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 (?) +  and 3 (?) +
simple +  and compound +
2 (?) +  and 3 (?) +
Gramineae +
Bromus suksdorfii +
Bromus sect. Bromopsis +
species +
membranous +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
aquatic +  and terrestrial +