Hordeum murinum subsp. murinum

Common names: Wall barley Farmer's foxtail Way barley
Introduced
Synonyms: Critesion undefined subsp. murinum
Treatment appears in FNA Volume 24. Treatment on page 250.
Revision as of 01:56, 30 July 2020 by imported>Volume Importer
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Plants winter-annuals. Culms 30-60 cm. Leaves green. Spikes green. Central floret sessile to subsessile; lemmas subequal to those of the lateral florets, awns longer than those of the lateral florets; anthers 0.8-1.4 mm. Lateral spikelets: paleas almost glabrous; anthers 0.8-1.4 mm; rachillas about 0.15 mm, pale. 2n = 28.

Discussion

Hordeum murinum subsp. murinum grows in waste places that are somewhat moist. It is native to Europe. Within the Flora region, it has the most restricted distribution of the three subspecies, being found from Washington to Arizona, and in scattered locations from Maine to Virginia.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

membranous +  and scarious +
gray +  and yellow +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 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 +
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 +
Wall barley +, Farmer's foxtail +  and Way barley +
not branching +
geniculate +
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 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 +
Critesion undefined subsp. murinum +
Hordeum murinum subsp. murinum +
Hordeum murinum +
subspecies +
membranous +
inconspicuous +
perennial +  and winter-annual +
aquatic +  and terrestrial +