Bromus berteroanus

Colla
Common names: Chilean chess
Synonyms: Bromus trinii var. excelsus Bromus trinii
Treatment appears in FNA Volume 24. Treatment on page 224.
Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Plants annual; often tufted. Culms 30-60 cm, slender. Sheaths pilose-pubescent to nearly glabrous; blades 7-28 cm long, 2-9 mm wide, pilose or glabrous. Panicles 10-20 cm long, 3-9 cm wide, erect, dense; branches appressed to spreading, sometimes flexuous. Spikelets 15-20 mm, elliptic to lanceolate, more or less terete, with 3-9 florets. Glumes glabrous, acuminate; lower glumes 8-10 mm, 1-veined; upper glumes 12-16 mm, 3 (5) -veined; lemmas 11-14 mm, lanceolate to linear-lanceolate, sparsely pubescent, 5-veined, rounded over the midvein, apices acuminate, bifid, teeth 2-3 mm, usually aristate, sometimes acuminate; awns 13-20 mm, geniculate, strongly to moderately twisted in the basal portion, arising 1.5 mm or more below the lemma apices; anthers 2-2.5 mm. 2n = unknown.

Distribution

Utah, Calif., Ariz., Oreg., Nev.

Discussion

Bromus berteroanus is from Chile, and can now be found in dry areas in western North America, including British Columbia, Montana, California, Nevada, Arizona, southwestern Utah, and Baja California, Mexico.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Bromus berteroanus"
membranous +  and scarious +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Leon E. Pavlickf +
divaricate +
1 (?) +  and 3 (?) +
straight +
distinct +
subterminal +  and terminal +
geniculate +
1.5 cm15 mm <br />0.015 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
7 cm70 mm <br />0.07 m <br /> (28 cm280 mm <br />0.28 m <br />) +
not evident +
glabrous +  and pilose +
cross +, linear +  and narrowly lanceolate +
2mm;9mm +
appressed;spreading +
spikelike +
Chilean chess +
not branching +
ascending +  and erect +
slender +
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 m <br />) +
not woody +
Utah +, Calif. +, Ariz. +, Oreg. +  and Nev. +
liquid +, soft +  and hard +
capillary +
pistillate +  and staminate +
sometimes longer +
3 +  and 9 +
terete +  and laterally compressed +
1-9(11)-veined +
always shorter +  and usually shorter +
lanceolate +
subtending +
acuminate +
unequal +
uncinate +
solid +  and hollow +
rounded +, lanceolate +  and linear-lanceolate +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
herbaceous +  and coriaceous +
lacerate +
0 cm0 mm <br />0 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
membranous +
inconspicuous +
lanceolate +
fleshy +  and membranous +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
concealed +  and prominent +
2 +  and 1 +
hairy +  and glabrous +
well-developed +
reduced +
10cm +  and 20cm +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
dry +  and fleshy +
pilose-pubescent +  and nearly glabrous +
1 +  and 60 +
not viviparous +
terete +, elliptic +  and lanceolate +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1 (?) +  and 3 (?) +
simple +  and compound +
2 (?) +  and 3 (?) +
Bromus trinii var. excelsus +  and Bromus trinii +
Bromus berteroanus +
Bromus sect. Neobromus +
species +
membranous +
acuminate +  and aristate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
aquatic +  and terrestrial +