Hordeum murinum subsp. glaucum

(Steudel) Tzvelev
Common names: Smooth barley
Introduced
Synonyms: Hordeum stebbinsii Hordeum glaucum Critesion murinum subsp. glaucum Critesion glaucum
Treatment appears in FNA Volume 24. Treatment on page 250.

Plants summer-annuals. Culms 15-40 cm. Leaves glaucous. Spikes sometimes glaucous, often brownish when mature. Central floret pedicellate; lemmas subequal to those of the lateral florets, awns as long as or longer than those of the lateral florets; anthers 0.2-0.6 mm, much shorter than those of the lateral florets, more or less covered with purple spots. Lateral spikelets: paleas more or less densely pilose, especially on the lower 1/2; anthers 1.2-1.8 mm; rachillas about 0.3 mm, yellow. 2n = 14.

Discussion

Hordeum murinum subsp. glaucum grows in grasslands, fields, and waste places. It is native to the eastern Mediterranean area. It is now common in arid areas of the western United States, and is also known from scattered locations elsewhere in the Mora region.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

membranous +  and scarious +
gray +  and yellow +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
toothed +, lobed +  and entire +
0 cm0 mm <br />0 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Roland von Bothmer +, Claus Badenf +  and Niels H. Jacobsen +
(Steudel) Tzvelev +
1 (?) +  and 3 (?) +
basal +  and apical +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
not evident +
pilose +  and glabrous +
flat +  and more or less involute +
0 cm0 mm <br />0 m <br /> (28 cm280 mm <br />0.28 m <br />) +
spikelike +
hairy +  and glabrous +
Smooth barley +
not branching +
geniculate +
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +
not woody +
Conn. +, Mass. +, Maine +, N.Y. +, Wash. +, Del. +, Utah +, Va. +, Idaho +, Oreg. +, D.C. +, Pacific Islands (Hawaii) +, Md. +, Wyo. +, N.J. +, N.Mex. +, Tex. +, N.C. +, Pa. +, Okla. +, Calif. +, Nev. +, Colo. +, Alta. +, B.C. +, Ala. +, Ga. +, Ariz. +, Mont. +  and S.C. +
liquid +, soft +  and hard +
capillary +
sessile +  and pedicellate +
laterally compressed +  and terete +
reduced +
shorter than to longer than the adjacent florets +
11mm +  and 25mm +
subtending +
flattened +
unequal +
0.8mm +  and 1.8mm +
uncinate +
solid +  and hollow +
bisexual +  and sterile +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
glabrous +  and pubescent +
subequal +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
stiffly membranous +  and coriaceous +
0mm +  and 2mm +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
inconspicuous +
with 1+ cilia +  and glabrous +
lanceolate +
fleshy +  and membranous +
pilose +  and glabrous +
concealed +  and prominent +
2 +  and 1 +
hairy +  and glabrous +
well-developed +
slightly longer +
keeled +  and ovate +
subequal +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
straight +  and curved +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
dry +  and fleshy +
spikelike +
disarticulating +
glabrous +  and pubescent +
Introduced +
3 cm30 mm <br />0.03 m <br /> (?) +  and 8 cm80 mm <br />0.08 m <br /> (?) +
disarticulating +  and sessile +
bisexual +  and sterile +
terete +  and compressed +
1 +  and 3 +
simple +  and compound +
2 (?) +  and 3 (?) +
not papillate +
Hordeum stebbinsii +, Hordeum glaucum +, Critesion murinum subsp. glaucum +  and Critesion glaucum +
Hordeum murinum subsp. glaucum +
Hordeum murinum +
subspecies +
membranous +
inconspicuous +
perennial +  and winter-annual +
aquatic +  and terrestrial +