treatments-xml/data/86/EE/41/86EE41336F9C5977A4ED47B0E7B2AB8E.xml
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<document ID-CLB-Dataset="59958" ID-DOI="http://dx.doi.org/10.3897/phytokeys.230.103882" ID-GBIF-Dataset="58b283e2-bf49-4656-8668-6086b2b4e003" ID-Pensoft-Pub="1314-2003-230-1" ID-Pensoft-UUID="365B97AE96F45DB295043BF02F4AF4BE" ModsDocID="1314-2003-230-1" checkinTime="1691127498364" checkinUser="pensoft" docAuthor="Peterson, Paul M., Herrera Arrieta, Yolanda, Lobo Cabezas, Silvia &amp; Romaschenko, Konstantin" docDate="2023" docId="86EE41336F9C5977A4ED47B0E7B2AB8E" docLanguage="en" docName="PhytoKeys 230: 1-106" docOrigin="PhytoKeys 230" docPubDate="2023-08-03" docSource="http://dx.doi.org/10.3897/phytokeys.230.103882" docTitle="Muhlenbergia utilis (Torr.) Hitchc., J. Wash. Acad. Sci. 23 (10): 453. 1933." docType="treatment" docVersion="2" id="365B97AE96F45DB295043BF02F4AF4BE" lastPageNumber="1" masterDocId="365B97AE96F45DB295043BF02F4AF4BE" masterDocTitle="Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Central America: phylogeny and classification" masterLastPageNumber="106" masterPageNumber="1" pageNumber="1" updateTime="1691128203638" updateUser="ExternalLinkService">
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<mods:title id="E4548AADD075D1461F9AE24E54D93333">Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Central America: phylogeny and classification</mods:title>
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<mods:namePart id="404463C66368FF52E29320697B31994E">Peterson, Paul M.</mods:namePart>
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<mods:affiliation id="B6EBB6FD6B8F5B4835CB2B35CE4E7675">Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA</mods:affiliation>
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<mods:namePart id="39ABCD898FC138F96E2E5AEDDF47DC1A">Herrera Arrieta, Yolanda</mods:namePart>
<mods:nameIdentifier id="995C75D2FDDA6EBD0D7F33DF5C914B59" type="ORCID">https://orcid.org/0000-0003-3814-6518</mods:nameIdentifier>
<mods:affiliation id="F3ABBD99C32083DDC07963DACADE378F">Instituto Politecnico Nacional, CIIDIR Unidad-Durango-COFAA, Durango, C. P. 34220, Mexico</mods:affiliation>
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<mods:namePart id="5C63BCDAA8724CDF100FA5AF9995ED34">Lobo Cabezas, Silvia</mods:namePart>
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<mods:affiliation id="219AC2FAADBB4095A2C7BEFA7DA290E9">Herbario Nacional, Museo Nacional de Costa Rica, Apartado Postal 749 - 1000, San Jose, Costa Rica</mods:affiliation>
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<mods:namePart id="FF0E8902AC2937A2C9AD2328E63F16F9">Romaschenko, Konstantin</mods:namePart>
<mods:nameIdentifier id="94ACD2B1DE2E36A848474229C37DC3CC" type="ORCID">https://orcid.org/0000-0002-7248-4193</mods:nameIdentifier>
<mods:affiliation id="02F826608112942807F52A70F789A245">Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA</mods:affiliation>
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<mods:date id="172FEE6D7DD5A7133FCBD2820022AFBC">2023</mods:date>
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<mods:number id="7954657DC29FF5A9483DFB034ED0E4FB">230</mods:number>
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<treatment id="86EE41336F9C5977A4ED47B0E7B2AB8E" LSID="urn:lsid:plazi:treatment:86EE41336F9C5977A4ED47B0E7B2AB8E" httpUri="http://treatment.plazi.org/id/86EE41336F9C5977A4ED47B0E7B2AB8E" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection id="7DB91002538722D79D0398BE1606818A" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="84FA45AEE60C627ECF7951C264E50F08" pageId="0" pageNumber="1">
35.
<taxonomicName id="B2AE1D2B8F2B346B36344AAEF26DF9DE" ID-CoL="742Y9" ID-ENA="798120" LSID="86EE4133-6F9C-5977-A4ED-47B0E7B2AB8E" authority="(Torr.) Hitchc., J. Wash. Acad. Sci. 23 (10): 453. 1933." authorityName="(Torr.) Hitchc., J. Wash. Acad. Sci. 23 (10): 453. 1933." class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia utilis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="utilis">Muhlenbergia utilis (Torr.) Hitchc., J. Wash. Acad. Sci. 23(10): 453. 1933.</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="CC20D5F50CAF5612FEBB2B55A509E2E7" pageId="0" pageNumber="1" type="description">
<paragraph id="EC40933CEDAC318605A46D7D2898C26A" pageId="0" pageNumber="1">
<figureCitation id="B3B20046D40E38B06B34B17E5E49E40F" captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. A-E Muhlenbergia plumbea (Trin.) Hitchc. A habit B ligule C glumes D floret E stamens and lodicules F-L Muhlenbergia utilis (Torr.) Hitchc. F habit G rhizome H ligule I glumes J floret K stamens, pistil, and lodicules. A-E drawn from C. G. Pringle 9581 (US- 396634) F-L drawn from A, S. Hitchcock 5652 (US)." figureDoi="10.3897/phytokeys.230.103882.figure18" httpUri="https://binary.pensoft.net/fig/887886" pageId="0" pageNumber="1">Fig. 18 F-K</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="814C604D7949D6A64F11ED755B99F256" pageId="0" pageNumber="1" type="reference_group">
<paragraph id="D0180B4A585E188A51E10C5212EADD09" pageId="0" pageNumber="1">
<taxonomicName id="8ABB5C32D593C9A7639BA0AB54179DEA" class="Liliopsida" family="Poaceae" genus="Vilfa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Vilfa utilis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="utilis">Vilfa utilis</taxonomicName>
Torr., Pacif. Railr. Rep. 5(2):365-366. 1857. Type: U.S.A., California, Lost Mountain Spring, from Tejon to the Lost Hills, in stony places,
<emphasis id="780AB57F7DCE5E5DB143D108B19C8F9B" italics="true" pageId="0" pageNumber="1">W.P. Blake s.n.</emphasis>
(holotype: NY-00431757 [image!]; isotypes: GH-00023997 [image!], MO-992072!). ≡
<taxonomicName id="C51F969FCE1E830E8F02C821C8F6675A" class="Liliopsida" family="Poaceae" genus="Sporobolus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sporobolus utilis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="utilis">Sporobolus utilis</taxonomicName>
(Torr.) Scribn., Bull. Div. Agrostol., U.S.D.A. 17:171, f. 467. 1899. Basionym.
</paragraph>
</subSubSection>
<subSubSection id="75F909F81F8F9343E6E2648326210C00" pageId="0" pageNumber="1" type="description">
<paragraph id="037E402639A6938C0418D13EC97970B8" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="46E8835236A9D019197EB8CAB8BD057E" pageId="0" pageNumber="1">
<emphasis id="2AF8BF92E7369C58DFE7FD57037D961E" bold="true" italics="true" pageId="0" pageNumber="1">Perennials</emphasis>
; with slender, scaly rhizomes.
<emphasis id="919DA3A9C87F4A937407C05F88901758" bold="true" italics="true" pageId="0" pageNumber="1">Culms</emphasis>
7-30 cm tall, erect to decumbent, older plants trailing, up to 1 m long, minutely pubescent to glabrous below the nodes;
<emphasis id="5C35674030999CD2F336C51AD877DB38" bold="true" italics="true" pageId="0" pageNumber="1">internodes</emphasis>
mostly smooth to lightly nodulose roughened.
<emphasis id="D7FD4EE4CE3A68743FC62DB8C62A503A" bold="true" italics="true" pageId="0" pageNumber="1">Leaf sheaths</emphasis>
0.3-2.4 cm long, shorter or longer than the internodes, glabrous, margins hyaline;
<emphasis id="79854FD2EE6BA6C277199B09DC3A7E4A" bold="true" italics="true" pageId="0" pageNumber="1">ligules</emphasis>
0.2-0.8 mm long, membranous, decurrent, apex truncate;
<emphasis id="9205DE501CD89216A6E0AD5AE40864D8" bold="true" italics="true" pageId="0" pageNumber="1">blades</emphasis>
0.5-4.7 cm long, 0.2-1.8 mm wide, involute, sometimes flat, straight or arcuate-spreading, the blades often at right angles to culms, mostly glabrous abaxially and hirsutulous adaxially.
<emphasis id="40224465AEAC9C0A8102AFF1ECD33E2B" bold="true" italics="true" pageId="0" pageNumber="1">Panicles</emphasis>
1-5 cm long, 0.1-0.4 cm wide, narrow, contracted, interrupted between each branch, partially included in the upper sheaths;
<emphasis id="612C6203050885A3234060306F9980F9" bold="true" italics="true" pageId="0" pageNumber="1">primary branches</emphasis>
0.2-1.2 cm long, appressed, rarely ascending to spreading 30° from the rachises; rachises usually visible between the branches;
<emphasis id="87CAF783940922894787015C6CCBB947" bold="true" italics="true" pageId="0" pageNumber="1">pedicels</emphasis>
0.1-1.1 mm long, glabrous.
<emphasis id="3D23DB94FB62903C71FB2E05A0D69184" bold="true" italics="true" pageId="0" pageNumber="1">Spikelets</emphasis>
1.4-2.4 mm long, erect;
<emphasis id="116DBD86BD91EA4FF1AE18152C81A4F3" bold="true" italics="true" pageId="0" pageNumber="1">glumes</emphasis>
0.5-1.4 mm long, ⅓ to as long as the lemma, subequal, unawned, glabrous, 1-veined, occasionally 2-to 3-veined, yellowish to light green, apex acute;
<emphasis id="410054FB629EC4ABC91728844E1BF44F" bold="true" italics="true" pageId="0" pageNumber="1">lemmas</emphasis>
1.3-2.4 mm long, lanceolate, unawned, glabrous or with minute appressed pubescence along the margins and the base, the hairs about 0.1 mm long, green or purplish, apex acute;
<emphasis id="F2D01FFE1374F4CDD3332FA8088315BC" bold="true" italics="true" pageId="0" pageNumber="1">paleas</emphasis>
1-2 mm long, lanceolate, glabrous, apex acute;
<emphasis id="55661077FACE7314BA5C9739D4FF78F5" bold="true" italics="true" pageId="0" pageNumber="1">anthers</emphasis>
0.7-1.4 mm long, yellow to purplish.
<emphasis id="1F40CA0EF8B85D0795D646E4BCE958BF" bold="true" italics="true" pageId="0" pageNumber="1">Caryopses</emphasis>
0.7-1.2 mm long, ellipsoid to ovoid, brown. 2
<emphasis id="37B2516A759D61A843142C96783032A5" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 20.
</paragraph>
</subSubSection>
<subSubSection id="3CDEEC4FE5EEE34808CF84A347118E85" pageId="0" pageNumber="1" type="distribution">
<paragraph id="8D344DD361F620C7CFA4995D6DAEDDF2" pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph id="D1E13380A528E562DA9270A6A1D2DCB6" pageId="0" pageNumber="1">
<taxonomicName id="D02BA701DE33E15334252C8B222F9720" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia utilis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="utilis">
<emphasis id="5E223E3FAF82465888DFE3F4B24D9AF4" italics="true" pageId="0" pageNumber="1">Muhlenbergia utilis</emphasis>
</taxonomicName>
ranges from the southern United States to
<normalizedToken id="DA311B28F8BF48E56138CD5339D76E2C" originalValue="México">Mexico</normalizedToken>
in Chiapas, Chihuahua, Durango, Guanajuato, Hidalgo, Jalisco,
<normalizedToken id="94C9EEB2F3FB0E9E0A2FD7D7A432655F" originalValue="México">Mexico</normalizedToken>
, Ciudad de
<normalizedToken id="0BD654616723C0D4F9CA4441643931BF" originalValue="México">Mexico</normalizedToken>
,
<normalizedToken id="49607A5289AE682CF3D972A384FF9221" originalValue="Michoacán">Michoacan</normalizedToken>
, Puebla,
<normalizedToken id="CB075065D11AB8E058E716CA83BFFCFF" originalValue="Querétaro">Queretaro</normalizedToken>
, Sonora, Veracruz, and Zacatecas, and Central America (Guatemala and
<normalizedToken id="9F95BBABC2EBD3C9B0B464B99AF2B1A8" originalValue="México">Mexico</normalizedToken>
) [Herrera Arrieta and Peterson 2018].
</paragraph>
</subSubSection>
<subSubSection id="39015B4C0DFE0185C3760892FDC085B3" pageId="0" pageNumber="1" type="ecology">
<paragraph id="37B37B40BD76B0D15F0572753E6FAE8C" pageId="0" pageNumber="1">Ecology.</paragraph>
<paragraph id="44643D01B5FFDE0E1F2BC64080D0120F" pageId="0" pageNumber="1">
This species occurs in wet soils along streams, ponds, depressions in grasslands, and alkaline or gypsiferous plains associated with
<taxonomicName id="50CE1EB282D719B1D378E59B919765BC" class="Dicotyledoneae" family="Fagaceae" genus="Quercus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="genus">
<emphasis id="8C608ED66960CCC62C6D534602BEF0B8" italics="true" pageId="0" pageNumber="1">Quercus</emphasis>
</taxonomicName>
spp.; 200-2500 m.
</paragraph>
</subSubSection>
<subSubSection id="736C1DE7B46261C93D144B40E3C07A22" pageId="0" pageNumber="1" type="comments">
<paragraph id="7CF2EC7634E7ABA5282ED7EE7C5798FD" pageId="0" pageNumber="1">Comments.</paragraph>
<paragraph id="C16B1D41B44EF83706339F27935E62C5" pageId="0" pageNumber="1">
Morphologically,
<taxonomicName id="45E43D3C4E63EED60A1D32AD47E8E25C" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia utilis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="utilis">
<emphasis id="2798F46D64BE3609CD824B75C21471FF" italics="true" pageId="0" pageNumber="1">Muhlenbergia utilis</emphasis>
</taxonomicName>
can be confused with
<taxonomicName id="6E1BEBAC745DDDCA6F26619594FB76D9" family="Poaceae" kingdom="Plantae" lsidName="M. vaginata" order="Poales" pageId="0" pageNumber="1" rank="species" species="vaginata">
<emphasis id="1EAC8585DF70308E7D632FD336086A1C" italics="true" pageId="0" pageNumber="1">M. vaginata</emphasis>
</taxonomicName>
but the former differs in having slender, scaly rhizomes, (
<taxonomicName id="648ACE28799B362DB8186FD625AD6980" family="Poaceae" kingdom="Plantae" lsidName="M. vaginata" order="Poales" pageId="0" pageNumber="1" rank="species" species="vaginata">
<emphasis id="AB3F81C26073EAFED2699E47E972585B" italics="true" pageId="0" pageNumber="1">M. vaginata</emphasis>
</taxonomicName>
without rhizomes but culms decumbent and rooting below can sometimes be mistaken for rhizomes) and unawned lemmas (mucronate in
<taxonomicName id="D87D9244EE0C7EA9252F00A3430A5353" family="Poaceae" kingdom="Plantae" lsidName="M. vaginata" order="Poales" pageId="0" pageNumber="1" rank="species" species="vaginata">
<emphasis id="9CB31DF9950D80599616FC5453C35298" italics="true" pageId="0" pageNumber="1">M. vaginata</emphasis>
</taxonomicName>
).
</paragraph>
<paragraph id="C1C5B654F1C3108F1FBEA31BCB0EFAF4" pageId="0" pageNumber="1">
<taxonomicName id="3A6930285262AE7B9BCB8C796D850E62" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia utilis" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="utilis">
<emphasis id="BDBF7B9CDD058E3FE943840454D1A6C4" italics="true" pageId="0" pageNumber="1">Muhlenbergia utilis</emphasis>
</taxonomicName>
is a member of
<taxonomicName id="773F4A36F0F7DE771511E15746D0B302" family="Poaceae" kingdom="Plantae" lsidName="M. (Pseudosporobolus) subsp. subg." order="Poales" pageId="0" pageNumber="1" rank="subGenus" subGenus="Pseudosporobolus">M. subg. Pseudosporobolus</taxonomicName>
and forms a clade with
<taxonomicName id="937EE4C0FF048D2EB404ABCEE9AAD18C" family="Poaceae" kingdom="Plantae" lsidName="M. repens" order="Poales" pageId="0" pageNumber="1" rank="species" species="repens">
<emphasis id="9EBFF9E2FC27DE93EF888AD4A33DB850" italics="true" pageId="0" pageNumber="1">M. repens</emphasis>
</taxonomicName>
and
<taxonomicName id="43CE035B0F82E7FB1655797D0BF6F40F" family="Poaceae" kingdom="Plantae" lsidName="M. villiflora" order="Poales" pageId="0" pageNumber="1" rank="species" species="villiflora">
<emphasis id="E97DDA9D666DC7C13B127A11E20D8D56" italics="true" pageId="0" pageNumber="1">M. villiflora</emphasis>
</taxonomicName>
Hitchc. (Fig.
<figureCitation id="A9DB81F4FFEA724EE7DC957D6D54556E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. A, B Bayesian tree inferred from combined plastid (ndhA intron, rps 16 - trnK, rps 16 intron, rps 3, and rpl 32 - trnL) and ITS sequences. Thick branches indicate posterior probabilities of 0.95 - 1; species in bold occur in Central America; Scale bar: 2 %." figureDoi="10.3897/phytokeys.230.103882.figure1" httpUri="https://binary.pensoft.net/fig/887869" pageId="0" pageNumber="1">1</figureCitation>
;
<bibRefCitation id="3FF6AC422B65882602EA1FFB057B7AD1" DOI="https://doi.org/10.1111/jse.12805" author="Peterson, PM" journalOrPublisher="Journal of Systematics and Evolution" pageId="0" pageNumber="1" pagination="621 - 629" refId="B41" refString="Peterson, PM, Roquet, C, Romaschenko, K, Herrera Arrieta, Y, Susanna, A, 2021. A biogeographical analysis of Muhlenbergia (Poaceae: Chloridoideae: Cynodonteae: Muhlenbergiinae). Journal of Systematics and Evolution 60 (3): 621 - 629, DOI: https://doi.org/10.1111/jse.12805" title="A biogeographical analysis of Muhlenbergia (Poaceae: Chloridoideae: Cynodonteae: Muhlenbergiinae)." url="https://doi.org/10.1111/jse.12805" volume="60" year="2021">Peterson et al. 2021</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="E1809A4782E0C5B28FD20808E6F48F6C" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="820C0E96475C8D6D027BC0A800F8B39A" pageId="0" pageNumber="1">Specimens examined.</paragraph>
<paragraph id="6E0A1566B8C3ABD3B322FEEADA99C7FF" pageId="0" pageNumber="1">
Mexico.
<emphasis id="623A712E22D13EE4CEDC9CB3393B950C" bold="true" pageId="0" pageNumber="1">Chiapas</emphasis>
:
<emphasis id="36819BEE1A6E4BA85FA3C560EFF98851" bold="true" pageId="0" pageNumber="1">
<collectingCountry id="CB2F25CCCFAFC845C008932113C379FF" name="Saint Kitts and Nevis">
San
<normalizedToken id="C9C65AA443E049AD856F66EEC9772A76" originalValue="Cristóbal">Cristobal</normalizedToken>
</collectingCountry>
de las Casas
</emphasis>
: Marsh at S end of San
<normalizedToken id="0B32F3E8DA4D3857B7365040315B8C87" originalValue="Cristóbal">Cristobal</normalizedToken>
de las Casas,
<emphasis id="1A435107CEAADD64E2BB7C3A74BEAC71" italics="true" pageId="0" pageNumber="1">D.E. Breedlove 54373</emphasis>
(ENCB, SLPM, CAS, MO).
</paragraph>
</subSubSection>
</treatment>
</document>