Difference between revisions of "Echinochloa muricata"
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| − | |distribution=Conn.;N.J.;N.Y.;Wash.;W.Va.;Del.;D.C;Wis.;Ariz.;N.Mex.;Mass.;Maine;N.H.;R.I.;Vt.;Fla.;Wyo.;Ga.;Utah;Tex.;La.;N.C.;Tenn.;Pa.;Nev.;Va.;Colo.;Calif.;Ark.;Iowa;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Md.;Virgin Islands;Ill.;Idaho;Ohio;Ala.;Ind.;Mich.;Miss.;Oreg.;S.C.;Mo.;Minn.;Mont.;Ky.;Man.;N.B.;N.S.;Ont.;Que.;Sask. | + | |distribution=Conn.;N.J.;N.Y.;Wash.;W.Va.;Del.;D.C.;Wis.;Ariz.;N.Mex.;Mass.;Maine;N.H.;R.I.;Vt.;Fla.;Wyo.;Ga.;Utah;Tex.;La.;N.C.;Tenn.;Pa.;Nev.;Va.;Colo.;Calif.;Ark.;Iowa;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Md.;Virgin Islands;Ill.;Idaho;Ohio;Ala.;Ind.;Mich.;Miss.;Oreg.;S.C.;Mo.;Minn.;Mont.;Ky.;Man.;N.B.;N.S.;Ont.;Que.;Sask. |
|discussion=<p><i>Echinochloa muricata</i> is native to North America, growing from southern Canada to northern Mexico in moist, often disturbed sites (but not rice fields). It resembles <i>E. crus-galli</i> in gross morphology and ecology, but differs consistently by the characters used in the key. The two varieties tend to be distinct, but there is some overlap in both morphology and geography.</p> | |discussion=<p><i>Echinochloa muricata</i> is native to North America, growing from southern Canada to northern Mexico in moist, often disturbed sites (but not rice fields). It resembles <i>E. crus-galli</i> in gross morphology and ecology, but differs consistently by the characters used in the key. The two varieties tend to be distinct, but there is some overlap in both morphology and geography.</p> | ||
|tables= | |tables= | ||
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name=Echinochloa muricata | name=Echinochloa muricata | ||
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|authority=(P. Beauv.) Fernald | |authority=(P. Beauv.) Fernald | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |distribution=Conn.;N.J.;N.Y.;Wash.;W.Va.;Del.;D.C;Wis.;Ariz.;N.Mex.;Mass.;Maine;N.H.;R.I.;Vt.;Fla.;Wyo.;Ga.;Utah;Tex.;La.;N.C.;Tenn.;Pa.;Nev.;Va.;Colo.;Calif.;Ark.;Iowa;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Md.;Virgin Islands;Ill.;Idaho;Ohio;Ala.;Ind.;Mich.;Miss.;Oreg.;S.C.;Mo.;Minn.;Mont.;Ky.;Man.;N.B.;N.S.;Ont.;Que.;Sask. | + | |illustrator=Linda A. Vorobik;Hana Pazdírková |
| + | |illustration copyright=Utah State University | ||
| + | |distribution=Conn.;N.J.;N.Y.;Wash.;W.Va.;Del.;D.C.;Wis.;Ariz.;N.Mex.;Mass.;Maine;N.H.;R.I.;Vt.;Fla.;Wyo.;Ga.;Utah;Tex.;La.;N.C.;Tenn.;Pa.;Nev.;Va.;Colo.;Calif.;Ark.;Iowa;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Md.;Virgin Islands;Ill.;Idaho;Ohio;Ala.;Ind.;Mich.;Miss.;Oreg.;S.C.;Mo.;Minn.;Mont.;Ky.;Man.;N.B.;N.S.;Ont.;Que.;Sask. | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_1110.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Latest revision as of 17:55, 11 May 2021
Plants annual. Culms 80-160 cm, erect or spreading, sometimes rooting at the lowest nodes, often developing short axillary flowering shoots at most upper nodes when mature; lower nodes glabrous or puberulent; upper nodes glabrous. Sheaths glabrous; ligules absent; blades 1-27 cm long, 0.8-30 mm wide. Panicles of primary culms 7-35 cm, rachises and branches glabrous or hispid, hairs to 3 mm, papillose-based; primary branches 2-8 cm, usually spreading and rather distant, often with secondary branches. Spikelets 2.5-5 mm, disarticulating at maturity, usually purple or streaked with purple, usually hispid, hairs papillose-based. Upper glumes about as long as the spikelets; lower florets sterile; lower lemmas unawned or awned, awns to 16 mm; lower paleas well-developed; upper lemmas broadly obovoid or orbicular, narrowing to an acute or acuminate coriaceous portion that extends into the membranous tip, boundary between the coriaceous and membranous portions not marked by minute hairs; anthers 0.4-1.1 mm. Caryopses 1.2-2.5 mm, broadly obovoid or spheroid, yellowish; embryos 1.4-2 mm, 80-91% as long as the caryopses. 2n = 36.
Distribution
Conn., N.J., N.Y., Wash., W.Va., Del., D.C., Wis., Ariz., N.Mex., Mass., Maine, N.H., R.I., Vt., Fla., Wyo., Ga., Utah, Tex., La., N.C., Tenn., Pa., Nev., Va., Colo., Calif., Ark., Iowa, Kans., N.Dak., Nebr., Okla., S.Dak., Md., Virgin Islands, Ill., Idaho, Ohio, Ala., Ind., Mich., Miss., Oreg., S.C., Mo., Minn., Mont., Ky., Man., N.B., N.S., Ont., Que., Sask.
Discussion
Echinochloa muricata is native to North America, growing from southern Canada to northern Mexico in moist, often disturbed sites (but not rice fields). It resembles E. crus-galli in gross morphology and ecology, but differs consistently by the characters used in the key. The two varieties tend to be distinct, but there is some overlap in both morphology and geography.
Selected References
None.
Key
| 1 | Spikelets 2.5-3.8 mm long; lower lemmas unawned or awned, the awns to 10 mm long | Echinochloa muricata var. microstachya |
| 1 | Spikelets 3.5-5 mm long; lower lemmas usually awned, the awns 6-16 mm long | Echinochloa muricata var. muricata |