Eremopyrum orientale

(L.) Jaub. & Spach
Treatment appears in FNA Volume 24. Treatment on page 256.
Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Culms to 15 cm, smooth, mostly glabrous, puberulent below the spikes. Sheaths of upper leaves often somewhat inflated; blades 2-3 mm wide, more or less scabrous on both surfaces. Spikes 1.3-3.5 cm long, 0.9-1.8 cm wide, usually ovate-elliptic; disarticulation at the rachis nodes. Spikelets 7-12 mm long, with 2-3 florets. Glumes 5-12 mm, lanceolate, 3-5-veined, 1-keeled, lateral 2-3 veins prominent, hispid, bases curved, apices gradually tapering to a 0.5-3 mm awn; lemmas 5-12 mm, hispid, hairs 0.5-2 mm, prominently keeled, awned, awns 0.5-4 mm; paleas pubescent between the keels, keels prolonged into 2 toothlike appendages. 2n = 28.

Discussion

Eremopyrum orientale has been collected from southern Manitoba, growing with E. triticeum, and has been reported from southeastern British Columbia and New York. It is not known to be established in the Flora region.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Eremopyrum orientale"
membranous +  and scarious +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
tapering +
Signe Frederiksen +
(L.) Jaub. & Spach +
1 (?) +  and 3 (?) +
straight +
basal +  and apical +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
connate +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
not evident +
cross +, linear +  and narrowly lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
spikelike +
hairy +  and glabrous +
not branching +
puberulent +  and glabrous +
geniculate +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
not woody +
N.Y. +, B.C. +  and Man. +
liquid +, soft +  and hard +
capillary +
pistillate +  and staminate +
2 +  and 3 +
sterile +  and bisexual +
laterally compressed +  and terete +
shorter than to longer than the adjacent florets +
2 +  and 3 +
1-keeled +  and lanceolate +
unequal +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
indurate +  and coriaceous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
solid +  and hollow +
hairy +  and glabrous +
keeled +  and rounded +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
coriaceous +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
inconspicuous +
lanceolate +
fleshy +  and membranous +
with hairs +  and glabrous +
concealed +  and prominent +
2 +  and 1 +
well-developed +
slightly longer +
2-keeled +
subequal +
usually shorter and thinner +
dry +  and fleshy +
spikelike +
inflated +
1.3 cm13 mm <br />0.013 m <br /> (?) +  and 3.5 cm35 mm <br />0.035 m <br /> (?) +
ovate-elliptic +
subsessile +  and sessile +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
bisexual +  and sterile +
compressed +
0.6 cm6 mm <br />0.006 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1 +  and 3 +
simple +  and compound +
2 (?) +  and 3 (?) +
not papillate +
Gramineae +
Eremopyrum orientale +
Eremopyrum +
species +
membranous +
aquatic +  and terrestrial +