Echinochloa muricata var. muricata

Common names: Echinochloa de l'ouest
Synonyms: Echinochloa pungens Echinochloa muricata var. ludoviciana Longiseta
Treatment appears in FNA Volume 25. Treatment on page 396.

Spikelets 3.5-5 mm. Lower glumes 1-2.6 mm; upper glumes 3-5 mm; lower lemmas usually awned, awns 6-16 mm, occasionally unawned; anthers 0.5-1.1 mm.

Distribution

Conn., N.J., N.Y., Wash., Ark., Iowa, Kans., Nebr., Okla., Del., Wis., N.H., N.B., N.S., Ont., Que., N.Mex., Tex., La., Tenn., Pa., R.I., Va., Calif., Vt., Ill., Maine, Mass., Ohio, Mo., Minn., D.C., Md., Ala., Fla., Ga., Idaho, Ind., Mich., Miss., N.C., Oreg., S.C., W.Va., Ky.

Discussion

Echinochloa muricata var. muricata is the common variety in eastern North America.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
elongate +
membranous +  and firm +
anatomy +  and kranz +
P.W. Michael +
(P. Beauv.) Fernald +
1 (?) +  and 3 (?) +
0.6 cm6 mm <br />0.006 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
disarticulating +  and pseudopetiolate +
non-radiate +  and radiate +
1 cm10 mm <br />0.01 m <br /> (27 cm270 mm <br />0.27 m <br />) +
linear +  and linear-lanceolate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (3 cm30 mm <br />0.03 m <br />) +
subsessile +, compound +  and simple +
hispid +  and glabrous +
spikelike +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not developed +
spheroid +  and obovoid +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
sometimes longer +
Echinochloa de l'ouest +
spreading +  and erect +
80 cm800 mm <br />0.8 m <br /> (160 cm1,600 mm <br />1.6 m <br />) +
Conn. +, N.J. +, N.Y. +, Wash. +, Ark. +, Iowa +, Kans. +, Nebr. +, Okla. +, Del. +, Wis. +, N.H. +, N.B. +, N.S. +, Ont. +, Que. +, N.Mex. +, Tex. +, La. +, Tenn. +, Pa. +, R.I. +, Va. +, Calif. +, Vt. +, Ill. +, Maine +, Mass. +, Ohio +, Mo. +, Minn. +, D.C. +, Md. +, Ala. +, Fla. +, Ga. +, Idaho +, Ind. +, Mich. +, Miss. +, N.C. +, Oreg. +, S.C. +, W.Va. +  and Ky. +
0.7-0.9 times as long as the caryopses +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
capillary +
germination +
pistillate +  and staminate +
sometimes longer +
compressed +  and terete +
shorter or longer +
subtending +
unequal +
membranous +
papillose-based +
streaked with purple +
uncinate +
minute +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
membranous +  and coriaceous +
bracteate +  and ebracteate +
solid +  and hollow +
cauline +  and basal +
coriaceous +
membranous +
inconspicuous +
1/4 +  and 2/5 +
0.1 cm1 mm <br />0.001 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
puberulent +  and glabrous +
complex +  and simple +
concealed +  and prominent +
2 +  and 1 +
subterranean +
7 cm70 mm <br />0.07 m <br /> (35 cm350 mm <br />0.35 m <br />) +
dry +  and fleshy +
acuminate +  and acute +
membranous +  and coriaceous +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
hispid +  and glabrous +
elongate +
compressed +
disarticulating +
in triplets +  and paired +
1 +  and 60 +
unisexual +  and bisexual +
planoconvex +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Echinochloa pungens +, Echinochloa muricata var. ludoviciana +  and Longiseta +
Echinochloa muricata var. muricata +
Echinochloa muricata +
variety +
membranous +
membranous +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
orbicular +  and obovoid +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +