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<document id="C4C35275B5811A1514B4C82190B6544A" ID-DOI="10.11646/phytotaxa.129.1.5" ID-ISSN="1179-3163" ID-Zenodo-Dep="5085651" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625839902980" checkinUser="felipe" docAuthor="Nagahama, Nicolás, Anton, Ana M. &amp; Norrmann, Guillermo A." docDate="2013" docId="03C787C8FF90453EC9D6FD4F49E0323E" docLanguage="en" docName="Phytotaxa.129.1.53-58.pdf" docOrigin="Phytotaxa 129 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.129.1.5" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Andropogon Linnaeus (1753: 1045" docType="treatment" docVersion="3" lastPageNumber="56" masterDocId="FFFEFFB0FF90453AC944FB1C4914334D" masterDocTitle="Andropogon × guaraniticus (Andropogoneae, Poaceae): a name for a natural hybrid from northeastern Argentina" masterLastPageNumber="58" masterPageNumber="53" pageNumber="53" updateTime="1698996494826" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="EACE31C6F54C0B3BA2F00BE1003AE1D2" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="C1DEBB772076BAA786958CD681C7FEE3">Andropogon × guaraniticus (Andropogoneae, Poaceae): a name for a natural hybrid from northeastern Argentina</mods:title>
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<mods:namePart id="C06DAABCC310CD9A7E1CB3604323C5A4">Nagahama, Nicolás</mods:namePart>
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<mods:namePart id="54A2BABE827AE08891B3CFEF4E807A45">Anton, Ana M.</mods:namePart>
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<mods:name id="054FB2B0D42DEDBFA0446D9C7DCF0C4F" type="personal">
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<mods:namePart id="0E8DAF8D2A9D1AF1372509820199642E">Norrmann, Guillermo A.</mods:namePart>
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<mods:typeOfResource id="0E441223CF597F162BBB5F61377F2F9D">text</mods:typeOfResource>
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<mods:title id="88C284AC99108E376C3AB41EC09E2424">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="8FDDD7DAA4D7FC59018136EFBE9C9CB1">
<mods:date id="A8C65A6476213D95D8E53D87D1CA58D8">2013</mods:date>
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<mods:number id="90A9109B277059ECD99B6A786C2C8BB9">2013-09-05</mods:number>
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<mods:number id="29A41F05F8D647C68F01D100D597EEFD">129</mods:number>
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<mods:url id="FC6EFF33EC3A9D9032AF76ED4F1F47C6">http://dx.doi.org/10.11646/phytotaxa.129.1.5</mods:url>
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<mods:classification id="8A34FCBA98827B45234AF371B5B3E277">journal article</mods:classification>
<mods:identifier id="D11E0A0FB36A5B9394CB5F93CFBF0A9D" type="DOI">10.11646/phytotaxa.129.1.5</mods:identifier>
<mods:identifier id="34C61882DC2AB70A96B35943440A045F" type="ISSN">1179-3163</mods:identifier>
<mods:identifier id="7AF38CB35FEAF82E19ECFC1AEE186A88" type="Zenodo-Dep">5085651</mods:identifier>
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<treatment id="03C787C8FF90453EC9D6FD4F49E0323E" LSID="urn:lsid:plazi:treatment:03C787C8FF90453EC9D6FD4F49E0323E" httpUri="http://treatment.plazi.org/id/03C787C8FF90453EC9D6FD4F49E0323E" lastPageId="4" lastPageNumber="56" pageId="0" pageNumber="53">
<subSubSection id="C3746555FF90453AC9D6FD4F4D0E3523" box="[146,1050,1619,1646]" pageId="0" pageNumber="53" type="nomenclature">
<paragraph id="8BD136DEFF90453AC9D6FD4F4D0E3523" blockId="0.[146,1050,1619,1646]" box="[146,1050,1619,1646]" pageId="0" pageNumber="53">
<heading id="D09981B2FF90453AC9D6FD4F4D0E3523" box="[146,1050,1619,1646]" fontSize="11" level="2" pageId="0" pageNumber="53" reason="3">
<emphasis id="B91AEACCFF90453AC9D6FD4F48CF3520" box="[146,475,1619,1645]" italics="true" pageId="0" pageNumber="53">
<emphasis id="B91AEACCFF90453AC9D6FD4F48C43520" bold="true" box="[146,464,1619,1645]" italics="true" pageId="0" pageNumber="53">
<taxonomicName id="4C6E4D5DFF90453AC9D6FD4F48333520" ID-CoL="8VTTT" ID-ENA="15314" authorityName="Linnaeus (1753:" authorityYear="1045" box="[146,295,1619,1645]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Andropogon</taxonomicName>
× guaraniticu
</emphasis>
s
</emphasis>
Nagahama &amp; Norrmann,
<emphasis id="B91AEACCFF90453ACA43FD4F4AB53520" box="[775,929,1619,1645]" italics="true" pageId="0" pageNumber="53">nothosp. nov.</emphasis>
,
<figureCitation id="13552A5BFF90453ACAEBFD484AE93523" box="[943,1021,1620,1646]" captionStart="FIGURE 1" captionStartId="1.[151,247,1920,1941]" captionTargetBox="[277,1311,191,1862]" captionTargetId="figure-94@1.[249,1338,179,1895]" captionTargetPageId="1" captionText="FIGURE 1. Andropogon × guaraniticus. A. Habit. B. Detail of ligule. C. Unit of inflorescence. D. Middle or proximal pair of spikelets. E. Distal pair of spikelets. F–J. Sessile spikelet. F.Spikelet, dorsal view. G. Upper lemma. H. Lower lemma. I. Upper palea. J. Detail of lodicules, stigma and stamens. Only two of the three stamens were drawn. A–J. Drawn by Laura Ribulgo from the holotype (Norrmann 227)." figureDoi="http://doi.org/10.5281/zenodo.5085653" httpUri="https://zenodo.org/record/5085653/files/figure.png" pageId="0" pageNumber="53">Figs. 1</figureCitation>
,
<figureCitation id="13552A5BFF90453ACD48FD484D0E3523" box="[1036,1050,1620,1646]" captionStart="FIGURE 2" captionStartId="3.[151,245,1835,1856]" captionTargetBox="[169,1421,187,1798]" captionTargetId="figure-109@3.[150,1436,157,1813]" captionTargetPageId="3" captionText="FIGURE 2. Morphological comparison between A. macrothrix (Norrmann 93), A. selloanus (Norrmann 99) and A. × guaraniticus (Norrmann 227, holotype). A. Detail of ligule. B. Unit of inflorescence. C. Middle or proximal pair of spikelets. D. Distal pair of spikelets. A–D. Drawn by Laura Ribulgo." figureDoi="http://doi.org/10.5281/zenodo.5085655" httpUri="https://zenodo.org/record/5085655/files/figure.png" pageId="0" pageNumber="53">2</figureCitation>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3746555FF90453EC9D5FD6649E0323E" lastPageId="4" lastPageNumber="57" pageId="0" pageNumber="53" type="materials_examined">
<paragraph id="8BD136DEFF90453AC9D5FD664AA935FC" blockId="0.[145,1431,1658,1809]" pageId="0" pageNumber="53">
<materialsCitation id="3B063C83FF90453AC9D5FD664AAD35FC" collectingDate="1996-01-02" collectionCode="S, CTES, CORD" country="Argentina" county="Type" elevation="213" latitude="-28.832224" location="Ruta" longLatPrecision="20" longitude="-58.729168" municipality="San Roque" pageId="0" pageNumber="53" specimenCount="1" stateProvince="Corrientes" typeStatus="holotype">
<collectingCounty id="62B04E52FF90453AC9D5FD6649DC35DC" box="[145,200,1658,1681]" pageId="0" pageNumber="53">Type</collectingCounty>
:—
<collectingCountry id="F379764EFF90453AC9A3FD66489335DC" box="[231,391,1658,1681]" name="Argentina" pageId="0" pageNumber="53">ARGENTINA</collectingCountry>
.
<collectingRegion id="49AAF83CFF90453AC8DCFD664B1F35DC" box="[408,523,1658,1681]" country="Argentina" name="Corrientes" pageId="0" pageNumber="53">Corrientes</collectingRegion>
:
<collectingMunicipality id="6BB5ACA4FF90453ACB59FD664B8835DC" box="[541,668,1658,1681]" pageId="0" pageNumber="53">San Roque</collectingMunicipality>
,
<location id="8EB16005FF90453ACBE9FD664BCB35DC" LSID="urn:lsid:plazi:treatment:03C787C8FF90453EC9D6FD4F49E0323E:8EB16005FF90453ACBE9FD664BCB35DC" box="[685,735,1658,1681]" country="Argentina" county="Type" latitude="-28.832224" longLatPrecision="20" longitude="-58.729168" municipality="San Roque" name="Ruta" pageId="0" pageNumber="53" stateProvince="Corrientes">Ruta</location>
12, 30 km
<collectionCode id="ED7FAE1BFF90453ACA32FD664A9135DC" box="[886,901,1658,1681]" country="Sweden" lsid="urn:lsid:biocol.org:col:15668" name="Department of Botany, Swedish Museum of Natural History" pageId="0" pageNumber="53" type="Herbarium">S</collectionCode>
de
<location id="8EB16005FF90453ACAFFFD664D2D35DC" LSID="urn:lsid:plazi:treatment:03C787C8FF90453EC9D6FD4F49E0323E:8EB16005FF90453ACAFFFD664D2D35DC" box="[955,1081,1658,1681]" country="Argentina" county="Type" latitude="-28.832224" longLatPrecision="20" longitude="-58.729168" municipality="San Roque" name="San Roque" pageId="0" pageNumber="53" stateProvince="Corrientes">San Roque</location>
,
<date id="FFD0101EFF90453ACD0FFD664DEB35DC" box="[1099,1279,1658,1681]" pageId="0" pageNumber="53" value="1996-01-02">
<collectingDate id="EF94E9F6FF90453ACD0FFD664DEB35DC" box="[1099,1279,1658,1681]" pageId="0" pageNumber="53" value="1996-01-02">2 January 1996</collectingDate>
</date>
,
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,
<geoCoordinate id="EE5A5019FF90453AC986FD86485D35FC" box="[194,329,1690,1713]" degrees="58" direction="west" minutes="43" orientation="longitude" pageId="0" pageNumber="53" precision="15" seconds="45" value="-58.729168">58°43’45”W</geoCoordinate>
,
<quantity id="4C969B3BFF90453AC811FD86488F35FC" box="[341,411,1690,1713]" metricMagnitude="2" metricUnit="m" metricValue="2.13" pageId="0" pageNumber="53" unit="m" value="213.0">
<elevation id="0043D1EDFF90453AC811FD86488F35FC" box="[341,411,1690,1713]" metricMagnitude="2" metricUnit="m" metricValue="2.13" pageId="0" pageNumber="53" unit="m" value="213.0">213 m</elevation>
</quantity>
,
<emphasis id="B91AEACCFF90453AC8E2FD864B5035FC" box="[422,580,1690,1713]" italics="true" pageId="0" pageNumber="53">Norrmann 227</emphasis>
(
<typeStatus id="54D5887CFF90453ACB15FD864BA435FC" box="[593,688,1690,1713]" pageId="0" pageNumber="53" type="holotype">holotype</typeStatus>
<collectionCode id="ED7FAE1BFF90453ACBF3FD864A1535FC" box="[695,769,1690,1713]" country="Argentina" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15603" lsid="urn:lsid:biocol.org:col:15603" name="Instituto de Botánica del Nordeste" pageId="0" pageNumber="53" type="Herbarium">CTES</collectionCode>
!; isotype
<collectionCode id="ED7FAE1BFF90453ACA27FD864AA635FC" box="[867,946,1690,1713]" country="Argentina" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15636" lsid="urn:lsid:biocol.org:col:15636" name="Universidad Nacional de Córdoba" pageId="0" pageNumber="53" type="Herbarium">CORD</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BD136DEFF90453AC9D6FDA64A44345C" blockId="0.[145,1431,1658,1809]" pageId="0" pageNumber="53">
<taxonomicName id="4C6E4D5DFF90453AC9D6FDA6480D359C" authorityName="Linnaeus (1753:" authorityYear="1045" box="[146,281,1722,1745]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="genus">Andropogon</taxonomicName>
× guaraniticus
<emphasis id="B91AEACCFF90453AC886FDA64BB7359C" box="[450,675,1722,1745]" italics="true" pageId="0" pageNumber="53">is distinguished from</emphasis>
<taxonomicName id="4C6E4D5DFF90453ACBEFFDA64A56359C" authorityName="Trinius" authorityYear="1832" box="[683,834,1722,1745]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="species" species="macrothrix">A. macrothrix</taxonomicName>
<emphasis id="B91AEACCFF90453ACA0EFDA64C6635BC" italics="true" pageId="0" pageNumber="53">by its longer hairs on the pedicel and the callus of the sessile spikelet, narrower apex of the rachis internodes, and a shorter awn. It is easily distinguished from</emphasis>
<taxonomicName id="4C6E4D5DFF90453ACC39FDC64831345C" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="species" species="selloanus">A. selloanus</taxonomicName>
<emphasis id="B91AEACCFF90453AC86FFDE64BAB345C" box="[299,703,1786,1809]" italics="true" pageId="0" pageNumber="53">by its long awns, which are lacking in</emphasis>
<taxonomicName id="4C6E4D5DFF90453ACB81FDE64A5D345C" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[709,841,1786,1809]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="0" pageNumber="53" phylum="Tracheophyta" rank="species" species="selloanus">A. selloanus</taxonomicName>
.
</paragraph>
<paragraph id="8BD136DEFF904538C9D6FC5D4C3E3051" blockId="0.[146,1430,1857,1960]" lastBlockId="2.[151,1436,152,1106]" lastPageId="2" lastPageNumber="55" pageId="0" pageNumber="53">
Plants perennial, cespitose, culms
<quantity id="4C969B3BFF90453ACB60FC5D4BD13416" box="[548,709,1857,1883]" metricMagnitude="-1" metricUnit="m" metricValue="7.74" metricValueMax="9.67" metricValueMin="5.81" pageId="0" pageNumber="53" unit="cm" value="77.4" valueMax="96.7" valueMin="58.1">58.1–96.7 cm</quantity>
tall, nodes 5–7, glabrous. Innovations intravaginal, vernation conduplicate. Leaf sheaths generally longer than the internodes in the basal region and shorter than the internodes in the distal region, glabrous; blades 15.7–47.5 ×
<quantity id="4C969B3BFF90453ACA2BFC924D0334E5" box="[879,1047,1934,1960]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.4" metricValueMin="2.6" pageId="0" pageNumber="53" unit="cm" value="0.4" valueMax="0.54" valueMin="0.26">0.26–0.54 cm</quantity>
, straight, usually flat, the basal ones with marginal trichomes
<quantity id="4C969B3BFF924538CB4DFB844B8E33FF" box="[521,666,152,178]" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="5.3" metricValueMin="3.2" pageId="2" pageNumber="55" unit="mm" value="4.25" valueMax="5.3" valueMin="3.2">3.2–5.3 mm</quantity>
long, glabrous on both surfaces, margins scabrous towards the apex; apex generally subobtuse or rarely obtuse navicular; ligule
<quantity id="4C969B3BFF924538CAE7FBA24D5B3395" box="[931,1103,190,216]" metricMagnitude="-4" metricUnit="m" metricValue="6.4" metricValueMax="8.5" metricValueMin="4.3" pageId="2" pageNumber="55" unit="mm" value="0.64" valueMax="0.85" valueMin="0.43">0.43–0.85 mm</quantity>
long, obtuse, membranousciliate; apex denticulate. Inflorescence scarcely branched,
<quantity id="4C969B3BFF924538CA07FBF94AF033B2" box="[835,996,229,255]" metricMagnitude="-1" metricUnit="m" metricValue="5.159999999999999" metricValueMax="7.51" metricValueMin="2.81" pageId="2" pageNumber="55" unit="cm" value="51.599999999999994" valueMax="75.1" valueMin="28.1">28.1–75.1 cm</quantity>
long, composed of both terminal and axillary inflorescence units, these units
<quantity id="4C969B3BFF924538CBC8FA104BEB326B" box="[652,767,268,294]" metricMagnitude="-2" metricUnit="m" metricValue="6.35" metricValueMax="7.7" metricValueMin="5.0" pageId="2" pageNumber="55" unit="cm" value="6.35" valueMax="7.7" valueMin="5.0">5–7.7 cm</quantity>
long, with 2–5 racemes, equal or subequal in length, conjugate or subdigitate, exserted or partially enclosed by the spatheole; peduncle
<quantity id="4C969B3BFF924538CDF2FA2E4C463201" box="[1206,1362,306,332]" metricMagnitude="-1" metricUnit="m" metricValue="1.51" metricValueMax="2.08" metricValueMin="0.94" pageId="2" pageNumber="55" unit="cm" value="15.1" valueMax="20.8" valueMin="9.4">9.4–20.8 cm</quantity>
long; spatheoles
<quantity id="4C969B3BFF924538C85EFA454881323E" box="[282,405,345,371]" metricMagnitude="-2" metricUnit="m" metricValue="9.2" metricValueMax="11.0" metricValueMin="7.4" pageId="2" pageNumber="55" unit="cm" value="9.2" valueMax="11.0" valueMin="7.4">7.4–11 cm</quantity>
long. Pedicels and rachis internodes linear, pedicels
<quantity id="4C969B3BFF924538CD4FFA454D8D323E" box="[1035,1177,345,371]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="4.2" metricValueMin="3.8" pageId="2" pageNumber="55" unit="mm" value="4.0" valueMax="4.2" valueMin="3.8">3.8–4.2 mm</quantity>
long, internodes
<quantity id="4C969B3BFF924538CC2CFA4549E732D7" metricMagnitude="-3" metricUnit="m" metricValue="3.75" metricValueMax="4.4" metricValueMin="3.1" pageId="2" pageNumber="55" unit="mm" value="3.75" valueMax="4.4" valueMin="3.1">3.1– 4.4 mm</quantity>
long, apex of the rachis internodes cup-shaped,
<quantity id="4C969B3BFF924538CA7AFA9C4AF832D7" box="[830,1004,384,410]" metricMagnitude="-4" metricUnit="m" metricValue="6.8999999999999995" metricValueMax="7.7" metricValueMin="6.1" pageId="2" pageNumber="55" unit="mm" value="0.69" valueMax="0.77" valueMin="0.61">0.61–0.77 mm</quantity>
wide; both with hairs
<quantity id="4C969B3BFF924538CDB9FA9C4C8832D7" box="[1277,1436,384,410]" metricMagnitude="-3" metricUnit="m" metricValue="9.55" metricValueMax="11.3" metricValueMin="7.8" pageId="2" pageNumber="55" unit="mm" value="9.55" valueMax="11.3" valueMin="7.8">7.8–11.3 mm</quantity>
long. Sessile spikelets (in the middle or proximal pair) perfect, 4.2–4.8 ×
<quantity id="4C969B3BFF924538CAB8FABA4D63328D" box="[1020,1143,422,448]" metricMagnitude="-4" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="2" pageNumber="55" unit="mm" value="0.8" valueMax="1.0" valueMin="0.6">0.6–1 mm</quantity>
, awned; sessile spikelets callus pubescent, hairs
<quantity id="4C969B3BFF924538C8FCFAD14B5E32AA" box="[440,586,461,487]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" metricValueMax="4.5" metricValueMin="3.1" pageId="2" pageNumber="55" unit="mm" value="3.8" valueMax="4.5" valueMin="3.1">3.1–4.5 mm</quantity>
long. Lower glume 4–5.2 ×
<quantity id="4C969B3BFF924538CAF4FAD14D2432AA" box="[944,1072,461,487]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" pageId="2" pageNumber="55" unit="mm" value="1.2" valueMax="1.4" valueMin="1.0">1–1.4 mm</quantity>
, slightly concave, lanceolate, chartaceous, margins glabrous, 2–nerved, scabrous on the upper portion of the keels; upper glume 3.5–4.3 ×
<quantity id="4C969B3BFF924538C9D3F90648313179" box="[151,293,538,564]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" metricValueMax="1.3" metricValueMin="0.9" pageId="2" pageNumber="55" unit="mm" value="1.1" valueMax="1.3" valueMin="0.9">0.9–1.3 mm</quantity>
, chartaceous, margins ciliate towards the apex, 3–nerved, the lateral nerves tenuous, apex acute or briefly awned. Lower lemma 2.8–3.5 ×
<quantity id="4C969B3BFF924538CB2EF95D4BED3116" box="[618,761,577,603]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="2" pageNumber="55" unit="mm" value="0.65" valueMax="0.8" valueMin="0.5">0.5–0.8 mm</quantity>
, bicarinate, lanceolate, hyaline, margins glabrous at base, ciliate towards the apex, 2–nerved, acuminate; palea absent; upper lemma 2.6–2.9 ×
<quantity id="4C969B3BFF924538CDDFF9744C3A31CF" box="[1179,1326,616,642]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="2" pageNumber="55" unit="mm" value="0.65" valueMax="0.8" valueMin="0.5">0.5–0.8 mm</quantity>
, hyaline, ciliate on the margins towards the apex, 3–nerved, acute, awned, awn
<quantity id="4C969B3BFF924538CA89F9924D7531E5" box="[973,1121,654,680]" metricMagnitude="-2" metricUnit="m" metricValue="1.315" metricValueMax="1.5" metricValueMin="1.13" pageId="2" pageNumber="55" unit="mm" value="13.15" valueMax="15.0" valueMin="11.3">11.3–15 mm</quantity>
long; palea 0.8–2.2 ×
<quantity id="4C969B3BFF924538CC2CF99249E13182" metricMagnitude="-4" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="2" pageNumber="55" unit="mm" value="0.4" valueMax="0.5" valueMin="0.3">0.3– 0.5 mm</quantity>
, hyaline, margins glabrous at the base, ciliate towards the apex, 0–nerved, sub-obtuse. Lodicules 2,
<quantity id="4C969B3BFF924538C9D3F9C0483C31BB" box="[151,296,732,758]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="2" pageNumber="55" unit="mm" value="0.6" valueMax="0.7" valueMin="0.5">0.5–0.7 mm</quantity>
long, glabrous. Stamens 3, anthers
<quantity id="4C969B3BFF924538CB98F9C04A4331BB" box="[732,855,732,758]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" metricValueMax="1.6" metricValueMin="1.0" pageId="2" pageNumber="55" unit="mm" value="1.3" valueMax="1.6" valueMin="1.0">1–1.6 mm</quantity>
long, yellow. Caryopsis not seen. Distal sessile spikelets reduced 1.5–2.5 ×
<quantity id="4C969B3BFF924538C8A4F81E4B783051" box="[480,620,770,796]" metricMagnitude="-4" metricUnit="m" metricValue="3" metricValueMax="4.0" metricValueMin="2.0" pageId="2" pageNumber="55" unit="mm" value="0.3" valueMax="0.4" valueMin="0.2">0.2–0.4 mm</quantity>
long. Pedicellate spikelets vestigial, 1.8–2.6 ×
<quantity id="4C969B3BFF924538CDD1F81E4C323051" box="[1173,1318,770,796]" metricMagnitude="-4" metricUnit="m" metricValue="3" metricValueMax="4.0" metricValueMin="2.0" pageId="2" pageNumber="55" unit="mm" value="0.3" valueMax="0.4" valueMin="0.2">0.2–0.4 mm</quantity>
.
</paragraph>
<caption id="DF116656FF91453BC9D3FC9C488034A0" ID-DOI="http://doi.org/10.5281/zenodo.5085653" ID-Zenodo-Dep="5085653" httpUri="https://zenodo.org/record/5085653/files/figure.png" pageId="1" pageNumber="54" startId="1.[151,247,1920,1941]" targetBox="[277,1311,191,1862]" targetPageId="1">
<paragraph id="8BD136DEFF91453BC9D3FC9C488034A0" blockId="1.[151,1437,1919,2029]" pageId="1" pageNumber="54">
<emphasis id="B91AEACCFF91453BC9D3FC9C480534D8" bold="true" box="[151,273,1920,1941]" pageId="1" pageNumber="54">FIGURE 1.</emphasis>
<taxonomicName id="4C6E4D5DFF91453BC85CFC9C488034D8" authorityName="Linnaeus (1753:" authorityYear="1045" box="[280,404,1920,1941]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="1" pageNumber="54" phylum="Tracheophyta" rank="genus">
<emphasis id="B91AEACCFF91453BC85CFC9C488034D8" box="[280,404,1920,1941]" italics="true" pageId="1" pageNumber="54">Andropogon</emphasis>
</taxonomicName>
×
<emphasis id="B91AEACCFF91453BC8F5FC9C4B2434D8" box="[433,560,1920,1941]" italics="true" pageId="1" pageNumber="54">guaraniticus</emphasis>
.
<emphasis id="B91AEACCFF91453BCB79FC9C4B4134D8" bold="true" box="[573,597,1920,1941]" pageId="1" pageNumber="54">A.</emphasis>
Habit.
<emphasis id="B91AEACCFF91453BCBE7FC9C4BA734D8" bold="true" box="[675,691,1920,1941]" pageId="1" pageNumber="54">B</emphasis>
. Detail of ligule.
<emphasis id="B91AEACCFF91453BCA2DFC9C4A9434D8" bold="true" box="[873,896,1920,1941]" pageId="1" pageNumber="54">C.</emphasis>
Unit of inflorescence.
<emphasis id="B91AEACCFF91453BCD28FC9C4D9034D8" bold="true" box="[1132,1156,1920,1941]" pageId="1" pageNumber="54">D.</emphasis>
Middle or proximal pair of spikelets.
<emphasis id="B91AEACCFF91453BC9B2FC81481934FF" bold="true" box="[246,269,1949,1970]" pageId="1" pageNumber="54">E.</emphasis>
Distal pair of spikelets.
<emphasis id="B91AEACCFF91453BC8B2FC814B3634FF" bold="true" box="[502,546,1949,1970]" pageId="1" pageNumber="54">F–J.</emphasis>
Sessile spikelet.
<emphasis id="B91AEACCFF91453BCB83FC814BC834FF" bold="true" box="[711,732,1949,1970]" pageId="1" pageNumber="54">F.</emphasis>
Spikelet, dorsal view.
<emphasis id="B91AEACCFF91453BCAF7FC814ADC34FF" bold="true" box="[947,968,1949,1970]" pageId="1" pageNumber="54">G.</emphasis>
Upper lemma.
<emphasis id="B91AEACCFF91453BCD19FC814D6234FF" bold="true" box="[1117,1142,1949,1970]" pageId="1" pageNumber="54">H.</emphasis>
Lower lemma.
<emphasis id="B91AEACCFF91453BCC48FC814C0834FF" bold="true" box="[1292,1308,1949,1970]" pageId="1" pageNumber="54">I.</emphasis>
Upper palea.
<emphasis id="B91AEACCFF91453BC9D3FCA749BD349D" bold="true" box="[151,169,1979,2000]" pageId="1" pageNumber="54">J.</emphasis>
Detail of lodicules, stigma and stamens. Only two of the three stamens were drawn.
<emphasis id="B91AEACCFF91453BCD4EFCA74D2F349D" bold="true" box="[1034,1083,1979,2000]" pageId="1" pageNumber="54">A–J.</emphasis>
Drawn by Laura Ribulgo from the holotype (
<emphasis id="B91AEACCFF91453BC9BDFCC4489334A0" box="[249,391,2008,2029]" italics="true" pageId="1" pageNumber="54">Norrmann 227</emphasis>
).
</paragraph>
</caption>
<paragraph id="8BD136DEFF924538C982F8354ABD3749" blockId="2.[151,1436,152,1106]" pageId="2" pageNumber="55">
Distribution and habitat:—
<taxonomicName id="4C6E4D5DFF924538CB49F8344B8A300F" authorityName="Linnaeus (1753:" authorityYear="1045" box="[525,670,808,834]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="genus">
<emphasis id="B91AEACCFF924538CB49F8344B8A300F" box="[525,670,808,834]" italics="true" pageId="2" pageNumber="55">Andropogon</emphasis>
</taxonomicName>
×
<emphasis id="B91AEACCFF924538CB8CF8354A48300F" box="[712,860,809,834]" italics="true" pageId="2" pageNumber="55">guaraniticus</emphasis>
is known from the San Roque Department in
<collectingRegion id="49AAF83CFF924538C9D3F84C48003027" box="[151,276,848,874]" country="Argentina" name="Corrientes" pageId="2" pageNumber="55">Corrientes</collectingRegion>
,
<collectingCountry id="F379764EFF924538C85BF84C48833027" box="[287,407,848,874]" name="Argentina" pageId="2" pageNumber="55">Argentina</collectingCountry>
. It grows mainly on the boundaries of populations of
<taxonomicName id="4C6E4D5DFF924538CD40F8534D863024" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[1028,1170,847,873]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF924538CD40F8534D863024" box="[1028,1170,847,873]" italics="true" pageId="2" pageNumber="55">A. selloanus</emphasis>
</taxonomicName>
on sandy soils in open disturbed places about
<quantity id="4C969B3BFF924538C8EEF86A4B2530DD" box="[426,561,886,912]" metricMagnitude="2" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="2" pageNumber="55" unit="m" value="250.0" valueMax="300.0" valueMin="200.0">200–300 m</quantity>
elevation, generally on road margins.
<taxonomicName id="4C6E4D5DFF924538CABAF8694C1D30C2" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[1022,1289,885,911]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF924538CABAF8694C1D30C2" box="[1022,1289,885,911]" italics="true" pageId="2" pageNumber="55">Andropogon selloanus</emphasis>
</taxonomicName>
grows from
<collectingCountry id="F379764EFF924538C9D3F88149E630FA" box="[151,242,925,951]" name="Mexico" pageId="2" pageNumber="55">Mexico</collectingCountry>
to
<collectingCountry id="F379764EFF924538C858F881488330FA" box="[284,407,925,951]" name="Argentina" pageId="2" pageNumber="55">Argentina</collectingCountry>
, usually on dry and sandy soils or on wet soils in the Pantanal, central and southern
<collectingCountry id="F379764EFF924538C9DCF8D849F73093" box="[152,227,964,990]" name="Brazil" pageId="2" pageNumber="55">Brazil</collectingCountry>
.
<taxonomicName id="4C6E4D5DFF924538C9AAF8DF4B1C3090" authorityName="Trinius" authorityYear="1832" box="[238,520,963,989]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="species" species="macrothrix">
<emphasis id="B91AEACCFF924538C9AAF8DF4B1C3090" box="[238,520,963,989]" italics="true" pageId="2" pageNumber="55">Andropogon macrothrix</emphasis>
</taxonomicName>
grows in
<collectingCountry id="F379764EFF924538CB3AF8D84BF23093" box="[638,742,964,990]" name="Uruguay" pageId="2" pageNumber="55">Uruguay</collectingCountry>
, northeast
<collectingCountry id="F379764EFF924538CA21F8D84AC93093" box="[869,989,964,990]" name="Argentina" pageId="2" pageNumber="55">Argentina</collectingCountry>
,
<collectingCountry id="F379764EFF924538CAADF8D84D433093" box="[1001,1111,964,990]" name="Paraguay" pageId="2" pageNumber="55">Paraguay</collectingCountry>
, east
<collectingCountry id="F379764EFF924538CDDDF8D84DFB3093" box="[1177,1263,964,990]" name="Bolivia" pageId="2" pageNumber="55">Bolivia</collectingCountry>
and south and central
<collectingCountry id="F379764EFF924538C9AAF8F6482C3749" box="[238,312,1002,1028]" name="Brazil" pageId="2" pageNumber="55">Brazil</collectingCountry>
, on edges of streams, low swampy areas or wet soils.
</paragraph>
<paragraph id="8BD136DEFF924538C982FF0D4817371F" blockId="2.[151,1436,152,1106]" pageId="2" pageNumber="55">Etymology:—The epithet refers to the Guarani Indians, a group of indigenous peoples of southern South America.</paragraph>
<caption id="DF116656FF924538C9D3FF944C8F37D3" box="[151,1435,1160,1182]" pageId="2" pageNumber="55" startId="2.[151,231,1160,1181]">
<paragraph id="8BD136DEFF924538C9D3FF944C8F37D3" blockId="2.[151,1435,1160,1213]" box="[151,1435,1160,1182]" pageId="2" pageNumber="55">
<emphasis id="B91AEACCFF924538C9D3FF9449EB37D0" bold="true" box="[151,255,1160,1181]" pageId="2" pageNumber="55">TABLE 1.</emphasis>
Comparison of
<taxonomicName id="4C6E4D5DFF924538C8DDFF944B0437D0" authorityName="Linnaeus (1753:" authorityYear="1045" box="[409,528,1160,1181]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="genus">
<emphasis id="B91AEACCFF924538C8DDFF944B0437D0" box="[409,528,1160,1181]" italics="true" pageId="2" pageNumber="55">Andropogon</emphasis>
</taxonomicName>
×
<emphasis id="B91AEACCFF924538CB6DFF944BB637D0" box="[553,674,1160,1181]" italics="true" pageId="2" pageNumber="55">guaraniticus</emphasis>
and the parental species. Plants were analyzed using a stereoscopic microscope
</paragraph>
</caption>
<paragraph id="8BD136DEFF924538C9D3FFBB4A9537F0" blockId="2.[151,1435,1160,1213]" box="[151,897,1191,1213]" pageId="2" pageNumber="55">
and measured using digital calipers (Electronic IP65, 797
<collectionCode id="ED7FAE1BFF924538CBFAFFBB4BD937F0" box="[702,717,1191,1213]" country="Germany" lsid="urn:lsid:biocol.org:col:15534" name="Botanischer Garten und Botanisches Museum Berlin-Dahlem, Zentraleinrichtung der Freien Universitaet" pageId="2" pageNumber="55" type="Herbarium">B</collectionCode>
Series, Starrett®).
</paragraph>
<paragraph id="8BD136DEFF924538CBC7FFC14C3034BD" pageId="2" pageNumber="55">
<table id="F96EC47EFF92BAC5C9D8FFC14C8634BD" box="[156,1426,1245,2032]" gridcols="4" gridrows="16" pageId="2" pageNumber="55">
<tr id="355E349CFF92BAC5C9D8FFC14C8637BF" box="[156,1426,1245,1266]" gridrow="0" pageId="2" pageNumber="55" rowspan-0="1">
<th id="768F5DE0FF92BAC5CBC7FFC14A6D37BF" box="[643,889,1245,1266]" gridcol="1" gridrow="0" pageId="2" pageNumber="55">
<taxonomicName id="4C6E4D5DFF924538CBC7FFC14BEC37BF" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[643,760,1245,1266]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF924538CBC7FFC14BEC37BF" box="[643,760,1245,1266]" italics="true" pageId="2" pageNumber="55">A. selloanus</emphasis>
</taxonomicName>
</th>
<th id="768F5DE0FF92BAC5CAD4FFC14D6237BF" box="[912,1142,1245,1266]" gridcol="2" gridrow="0" pageId="2" pageNumber="55">
<emphasis id="B91AEACCFF924538CAD4FFC14D2E37BF" box="[912,1082,1245,1266]" italics="true" pageId="2" pageNumber="55">A. × guaraniticus</emphasis>
</th>
<th id="768F5DE0FF92BAC5CDD8FFC14C8637BF" box="[1180,1426,1245,1266]" gridcol="3" gridrow="0" pageId="2" pageNumber="55">
<taxonomicName id="4C6E4D5DFF924538CDD8FFC14C3637BF" authorityName="Trinius" authorityYear="1832" box="[1180,1314,1245,1266]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="2" pageNumber="55" phylum="Tracheophyta" rank="species" species="macrothrix">
<emphasis id="B91AEACCFF924538CDD8FFC14C3637BF" box="[1180,1314,1245,1266]" italics="true" pageId="2" pageNumber="55">A. macrothrix</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="355E349CFF92BAC5C9D8FE1B4C863650" box="[156,1426,1287,1309]" gridrow="1" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FE1B4B493650" box="[156,605,1287,1309]" gridcol="0" gridrow="1" pageId="2" pageNumber="55">Ligule</th>
<td id="768F5DE0FF92BAC5CBC7FE1B4A6D3650" box="[643,889,1287,1309]" gridcol="1" gridrow="1" pageId="2" pageNumber="55">truncate</td>
<td id="768F5DE0FF92BAC5CAD4FE1B4D623650" box="[912,1142,1287,1309]" gridcol="2" gridrow="1" pageId="2" pageNumber="55">obtuse</td>
<td id="768F5DE0FF92BAC5CDD8FE1B4C863650" box="[1180,1426,1287,1309]" gridcol="3" gridrow="1" pageId="2" pageNumber="55">obtuse</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FE2D4C86360A" box="[156,1426,1329,1351]" gridrow="2" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FE2D4B49360A" box="[156,605,1329,1351]" gridcol="0" gridrow="2" pageId="2" pageNumber="55">Ligule length (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FE2D4A6D360A" box="[643,889,1329,1351]" gridcol="1" gridrow="2" pageId="2" pageNumber="55">0.39–0.51</td>
<td id="768F5DE0FF92BAC5CAD4FE2D4D62360A" box="[912,1142,1329,1351]" gridcol="2" gridrow="2" pageId="2" pageNumber="55">0.43–0.85</td>
<td id="768F5DE0FF92BAC5CDD8FE2D4C86360A" box="[1180,1426,1329,1351]" gridcol="3" gridrow="2" pageId="2" pageNumber="55">0.60–0.93</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FE404C86363F" box="[156,1426,1372,1394]" gridrow="3" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FE404B49363F" box="[156,605,1372,1394]" gridcol="0" gridrow="3" pageId="2" pageNumber="55">Unit of inflorescence length (cm)</th>
<td id="768F5DE0FF92BAC5CBC7FE404A6D363F" box="[643,889,1372,1394]" gridcol="1" gridrow="3" pageId="2" pageNumber="55">3.82–6.64</td>
<td id="768F5DE0FF92BAC5CAD4FE404D62363F" box="[912,1142,1372,1394]" gridcol="2" gridrow="3" pageId="2" pageNumber="55">5.01–7.74</td>
<td id="768F5DE0FF92BAC5CDD8FE404C86363F" box="[1180,1426,1372,1394]" gridcol="3" gridrow="3" pageId="2" pageNumber="55">5.7–7.91</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FE9A4C8636D1" box="[156,1426,1414,1436]" gridrow="4" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FE9A4B4936D1" box="[156,605,1414,1436]" gridcol="0" gridrow="4" pageId="2" pageNumber="55">N° of racemes per unit of inflorescence</th>
<td id="768F5DE0FF92BAC5CBC7FE9A4A6D36D1" box="[643,889,1414,1436]" gridcol="1" gridrow="4" pageId="2" pageNumber="55">2–3</td>
<td id="768F5DE0FF92BAC5CAD4FE9A4D6236D1" box="[912,1142,1414,1436]" gridcol="2" gridrow="4" pageId="2" pageNumber="55">2–5</td>
<td id="768F5DE0FF92BAC5CDD8FE9A4C8636D1" box="[1180,1426,1414,1436]" gridcol="3" gridrow="4" pageId="2" pageNumber="55">4–6</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FEAD4C86368A" box="[156,1426,1457,1479]" gridrow="5" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FEAD4B49368A" box="[156,605,1457,1479]" gridcol="0" gridrow="5" pageId="2" pageNumber="55">Spatheole length (cm)</th>
<td id="768F5DE0FF92BAC5CBC7FEAD4A6D368A" box="[643,889,1457,1479]" gridcol="1" gridrow="5" pageId="2" pageNumber="55">5.63–7.34</td>
<td id="768F5DE0FF92BAC5CAD4FEAD4D62368A" box="[912,1142,1457,1479]" gridcol="2" gridrow="5" pageId="2" pageNumber="55">7.41–11.02</td>
<td id="768F5DE0FF92BAC5CDD8FEAD4C86368A" box="[1180,1426,1457,1479]" gridcol="3" gridrow="5" pageId="2" pageNumber="55">10.49–12.34</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FEC74C8636BC" box="[156,1426,1499,1521]" gridrow="6" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FEC74B4936BC" box="[156,605,1499,1521]" gridcol="0" gridrow="6" pageId="2" pageNumber="55">Pedicel and rachis internode hairs length (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FEC74A6D36BC" box="[643,889,1499,1521]" gridcol="1" gridrow="6" pageId="2" pageNumber="55">8.24–9.80</td>
<td id="768F5DE0FF92BAC5CAD4FEC74D6236BC" box="[912,1142,1499,1521]" gridcol="2" gridrow="6" pageId="2" pageNumber="55">7.81–11.34</td>
<td id="768F5DE0FF92BAC5CDD8FEC74C8636BC" box="[1180,1426,1499,1521]" gridcol="3" gridrow="6" pageId="2" pageNumber="55">5.84–7.27</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FD1A4C863551" box="[156,1426,1542,1564]" gridrow="7" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FD1A4B493551" box="[156,605,1542,1564]" gridcol="0" gridrow="7" pageId="2" pageNumber="55">Apex of the rachis internodes width (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FD1A4A6D3551" box="[643,889,1542,1564]" gridcol="1" gridrow="7" pageId="2" pageNumber="55">0.41–0.56</td>
<td id="768F5DE0FF92BAC5CAD4FD1A4D623551" box="[912,1142,1542,1564]" gridcol="2" gridrow="7" pageId="2" pageNumber="55">0.61–0.77</td>
<td id="768F5DE0FF92BAC5CDD8FD1A4C863551" box="[1180,1426,1542,1564]" gridcol="3" gridrow="7" pageId="2" pageNumber="55">0.83–0.93</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FD2C4C86350B" box="[156,1426,1584,1606]" gridrow="8" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FD2C4B49350B" box="[156,605,1584,1606]" gridcol="0" gridrow="8" pageId="2" pageNumber="55">Sessile spikelet width (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FD2C4A6D350B" box="[643,889,1584,1606]" gridcol="1" gridrow="8" pageId="2" pageNumber="55">0.54–0.78</td>
<td id="768F5DE0FF92BAC5CAD4FD2C4D62350B" box="[912,1142,1584,1606]" gridcol="2" gridrow="8" pageId="2" pageNumber="55">0.60–1.03</td>
<td id="768F5DE0FF92BAC5CDD8FD2C4C86350B" box="[1180,1426,1584,1606]" gridcol="3" gridrow="8" pageId="2" pageNumber="55">0.93–1.76</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FD474C86353C" box="[156,1426,1627,1649]" gridrow="9" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FD474B49353C" box="[156,605,1627,1649]" gridcol="0" gridrow="9" pageId="2" pageNumber="55">Sessile spikelet callus hairs length (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FD474A6D353C" box="[643,889,1627,1649]" gridcol="1" gridrow="9" pageId="2" pageNumber="55">7.14–8.55</td>
<td id="768F5DE0FF92BAC5CAD4FD474D62353C" box="[912,1142,1627,1649]" gridcol="2" gridrow="9" pageId="2" pageNumber="55">3.08–4.54</td>
<td id="768F5DE0FF92BAC5CDD8FD474C86353C" box="[1180,1426,1627,1649]" gridcol="3" gridrow="9" pageId="2" pageNumber="55">1.06–2.19</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FD994C8635D6" box="[156,1426,1669,1691]" gridrow="10" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FD994B4935D6" box="[156,605,1669,1691]" gridcol="0" gridrow="10" pageId="2" pageNumber="55">Upper lemma of the sessile spikelet</th>
<td id="768F5DE0FF92BAC5CBC7FD994A6D35D6" box="[643,889,1669,1691]" gridcol="1" gridrow="10" pageId="2" pageNumber="55">usually awnless</td>
<td id="768F5DE0FF92BAC5CAD4FD994D6235D6" box="[912,1142,1669,1691]" gridcol="2" gridrow="10" pageId="2" pageNumber="55">awned</td>
<td id="768F5DE0FF92BAC5CDD8FD994C8635D6" box="[1180,1426,1669,1691]" gridcol="3" gridrow="10" pageId="2" pageNumber="55">awned</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FDAC4C86358B" box="[156,1426,1712,1734]" gridrow="11" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FDAC4B49358B" box="[156,605,1712,1734]" gridcol="0" gridrow="11" pageId="2" pageNumber="55">Awn length (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FDAC4A6D358B" box="[643,889,1712,1734]" gridcol="1" gridrow="11" pageId="2" pageNumber="55">0.1–0.6(–1.66)</td>
<td id="768F5DE0FF92BAC5CAD4FDAC4D62358B" box="[912,1142,1712,1734]" gridcol="2" gridrow="11" pageId="2" pageNumber="55">11.25–14.99</td>
<td id="768F5DE0FF92BAC5CDD8FDAC4C86358B" box="[1180,1426,1712,1734]" gridcol="3" gridrow="11" pageId="2" pageNumber="55">19.98–21.67</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FDC74C8635BC" box="[156,1426,1755,1777]" gridrow="12" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FDC74B4935BC" box="[156,605,1755,1777]" gridcol="0" gridrow="12" pageId="2" pageNumber="55">Pedicellate spikelet length (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FDC74A6D35BC" box="[643,889,1755,1777]" gridcol="1" gridrow="12" pageId="2" pageNumber="55">0.42–1.51</td>
<td id="768F5DE0FF92BAC5CAD4FDC74D6235BC" box="[912,1142,1755,1777]" gridcol="2" gridrow="12" pageId="2" pageNumber="55">1.85–2.61</td>
<td id="768F5DE0FF92BAC5CDD8FDC74C8635BC" box="[1180,1426,1755,1777]" gridcol="3" gridrow="12" pageId="2" pageNumber="55">2.48–2.71</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FC194C863456" box="[156,1426,1797,1819]" gridrow="13" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FC194B493456" box="[156,605,1797,1819]" gridcol="0" gridrow="13" pageId="2" pageNumber="55">Pedicellate spikelet width (mm)</th>
<td id="768F5DE0FF92BAC5CBC7FC194A6D3456" box="[643,889,1797,1819]" gridcol="1" gridrow="13" pageId="2" pageNumber="55">0.13–0.24</td>
<td id="768F5DE0FF92BAC5CAD4FC194D623456" box="[912,1142,1797,1819]" gridcol="2" gridrow="13" pageId="2" pageNumber="55">0.25–0.36</td>
<td id="768F5DE0FF92BAC5CDD8FC194C863456" box="[1180,1426,1797,1819]" gridcol="3" gridrow="13" pageId="2" pageNumber="55">0.36–0.46</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FC2C4C863428" box="[156,1426,1840,1893]" gridrow="14" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FC2C4B493428" box="[156,605,1840,1893]" gridcol="0" gridrow="14" pageId="2" pageNumber="55">Habitat</th>
<td id="768F5DE0FF92BAC5CBC7FC2C4A6D3428" box="[643,889,1840,1893]" gridcol="1" gridrow="14" pageId="2" pageNumber="55">open disturbed places, dry soils</td>
<td id="768F5DE0FF92BAC5CAD4FC2C4D623428" box="[912,1142,1840,1893]" gridcol="2" gridrow="14" pageId="2" pageNumber="55">open disturbed places, dry soils</td>
<td id="768F5DE0FF92BAC5CDD8FC2C4C863428" box="[1180,1426,1840,1893]" gridcol="3" gridrow="14" pageId="2" pageNumber="55">low swampy areas</td>
</tr>
<tr id="355E349CFF92BAC5C9D8FC664C8634BD" box="[156,1426,1914,2032]" gridrow="15" pageId="2" pageNumber="55">
<th id="768F5DE0FF92BAC5C9D8FC664B4934BD" box="[156,605,1914,2032]" gridcol="0" gridrow="15" pageId="2" pageNumber="55">Geographical distribution</th>
<td id="768F5DE0FF92BAC5CBC7FC664A6D34BD" box="[643,889,1914,2032]" gridcol="1" gridrow="15" pageId="2" pageNumber="55">from Mexico to Argentina</td>
<td id="768F5DE0FF92BAC5CAD4FC664D6234BD" box="[912,1142,1914,2032]" gridcol="2" gridrow="15" pageId="2" pageNumber="55">San Roque Department, Corrientes Province, Argentina</td>
<td id="768F5DE0FF92BAC5CDD8FC664C8634BD" box="[1180,1426,1914,2032]" gridcol="3" gridrow="15" pageId="2" pageNumber="55">Uruguay, Northeast Argentina, Paraguay, East Bolivia, South and Central Brazil</td>
</tr>
</table>
</paragraph>
<caption id="DF116656FF934539C9D3FC374B3D3436" ID-DOI="http://doi.org/10.5281/zenodo.5085655" ID-Zenodo-Dep="5085655" httpUri="https://zenodo.org/record/5085655/files/figure.png" pageId="3" pageNumber="56" startId="3.[151,245,1835,1856]" targetBox="[169,1421,187,1798]" targetPageId="3">
<paragraph id="8BD136DEFF934539C9D3FC374B3D3436" blockId="3.[151,1436,1834,1915]" pageId="3" pageNumber="56">
<emphasis id="B91AEACCFF934539C9D3FC37481A340D" bold="true" box="[151,270,1835,1856]" pageId="3" pageNumber="56">FIGURE 2.</emphasis>
Morphological comparison between
<taxonomicName id="4C6E4D5DFF934539CB39FC374A10340D" authorityName="Trinius" authorityYear="1832" box="[637,772,1835,1856]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="3" pageNumber="56" phylum="Tracheophyta" rank="species" species="macrothrix">
<emphasis id="B91AEACCFF934539CB39FC374A10340D" box="[637,772,1835,1856]" italics="true" pageId="3" pageNumber="56">A. macrothrix</emphasis>
</taxonomicName>
(
<emphasis id="B91AEACCFF934539CA57FC374A83340D" box="[787,919,1835,1856]" italics="true" pageId="3" pageNumber="56">Norrmann 93</emphasis>
),
<taxonomicName id="4C6E4D5DFF934539CAE8FC374D30340D" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[940,1060,1835,1856]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="3" pageNumber="56" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF934539CAE8FC374D30340D" box="[940,1060,1835,1856]" italics="true" pageId="3" pageNumber="56">A. selloanus</emphasis>
</taxonomicName>
(
<emphasis id="B91AEACCFF934539CD77FC374DA3340D" box="[1075,1207,1835,1856]" italics="true" pageId="3" pageNumber="56">Norrmann 99</emphasis>
) and
<emphasis id="B91AEACCFF934539CDB4FC374C12340D" box="[1264,1286,1835,1856]" italics="true" pageId="3" pageNumber="56">A.</emphasis>
×
<emphasis id="B91AEACCFF934539CC65FC374C88340D" box="[1313,1436,1835,1856]" italics="true" pageId="3" pageNumber="56">guaraniticus</emphasis>
(
<emphasis id="B91AEACCFF934539C9DBFC5448253410" box="[159,305,1864,1885]" italics="true" pageId="3" pageNumber="56">Norrmann 227</emphasis>
, holotype).
<emphasis id="B91AEACCFF934539C8EDFC5448D53410" bold="true" box="[425,449,1864,1885]" pageId="3" pageNumber="56">A.</emphasis>
Detail of ligule.
<emphasis id="B91AEACCFF934539CB28FC544B963410" bold="true" box="[620,642,1864,1885]" pageId="3" pageNumber="56">B.</emphasis>
Unit of inflorescence.
<emphasis id="B91AEACCFF934539CA23FC544A6B3410" bold="true" box="[871,895,1864,1885]" pageId="3" pageNumber="56">C.</emphasis>
Middle or proximal pair of spikelets.
<emphasis id="B91AEACCFF934539CDBEFC544C063410" bold="true" box="[1274,1298,1864,1885]" pageId="3" pageNumber="56">D.</emphasis>
Distal pair of spikelets.
<emphasis id="B91AEACCFF934539C9B3FC7A483F3436" bold="true" box="[247,299,1894,1915]" pageId="3" pageNumber="56">A–D.</emphasis>
Drawn by Laura Ribulgo.
</paragraph>
</caption>
<paragraph id="8BD136DEFF93453EC982FCB649E0323E" blockId="3.[151,1436,1961,2027]" lastBlockId="4.[151,1436,151,371]" lastPageId="4" lastPageNumber="57" pageId="3" pageNumber="56">
Notes:—
<taxonomicName id="4C6E4D5DFF934539C874FCB54B2B348E" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[304,575,1961,1987]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="3" pageNumber="56" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF934539C874FCB54B2B348E" box="[304,575,1961,1987]" italics="true" pageId="3" pageNumber="56">Andropogon selloanus</emphasis>
</taxonomicName>
was dominant at the collection site of
<emphasis id="B91AEACCFF934539CD7AFCB54C08348E" box="[1086,1308,1961,1987]" italics="true" pageId="3" pageNumber="56">
<collectionCode id="ED7FAE1BFF934539CD7AFCB54D47348E" box="[1086,1107,1961,1987]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="3" pageNumber="56" type="Herbarium">A</collectionCode>
. × guaraniticus
</emphasis>
, while
<taxonomicName id="4C6E4D5DFF934539CCC7FCB5480834A7" authorityName="Trinius" authorityYear="1832" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="3" pageNumber="56" phylum="Tracheophyta" rank="species" species="macrothrix">
<emphasis id="B91AEACCFF934539CCC7FCB5480834A7" italics="true" pageId="3" pageNumber="56">A. macrothrix</emphasis>
</taxonomicName>
grew in isolated low swampy areas on the side of the road. An on-site estimate of the relative numbers of individuals of the two species was ca. 100:1 for
<taxonomicName id="4C6E4D5DFF94453ECA3EFB8B4D1A33FC" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[890,1038,151,177]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="4" pageNumber="57" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF94453ECA3EFB8B4D1A33FC" box="[890,1038,151,177]" italics="true" pageId="4" pageNumber="57">A. selloanus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6E4D5DFF94453ECD0FFB8B4DE733FC" authorityName="Trinius" authorityYear="1832" box="[1099,1267,151,177]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="4" pageNumber="57" phylum="Tracheophyta" rank="species" species="macrothrix">
<emphasis id="B91AEACCFF94453ECD0FFB8B4DE733FC" box="[1099,1267,151,177]" italics="true" pageId="4" pageNumber="57">A. macrothrix</emphasis>
</taxonomicName>
, respectively.
<taxonomicName id="4C6E4D5DFF94453EC9D3FBA148A4339A" authorityName="Trinius" authorityYear="1832" box="[151,432,189,215]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="4" pageNumber="57" phylum="Tracheophyta" rank="species" species="macrothrix">
<emphasis id="B91AEACCFF94453EC9D3FBA148A4339A" box="[151,432,189,215]" italics="true" pageId="4" pageNumber="57">Andropogon macrothrix</emphasis>
</taxonomicName>
and
<taxonomicName id="4C6E4D5DFF94453EC8ACFBA14B62339A" authorityName="Hackel" authorityYear="1904" baseAuthorityName="Hackel" baseAuthorityYear="1889" box="[488,630,189,215]" class="Liliopsida" family="Poaceae" genus="Andropogon" kingdom="Plantae" order="Poales" pageId="4" pageNumber="57" phylum="Tracheophyta" rank="species" species="selloanus">
<emphasis id="B91AEACCFF94453EC8ACFBA14B62339A" box="[488,630,189,215]" italics="true" pageId="4" pageNumber="57">A. selloanus</emphasis>
</taxonomicName>
are diploids (2
<emphasis id="B91AEACCFF94453ECA62FBA24A21339A" box="[806,821,190,215]" italics="true" pageId="4" pageNumber="57">n</emphasis>
= 2
<emphasis id="B91AEACCFF94453ECA26FBA24A7B339A" box="[866,879,190,215]" italics="true" pageId="4" pageNumber="57">x</emphasis>
= 20, Norrmann 1985) and all hybrids obtained between them were also diploids (Galdeano &amp; Norrmann 2000). These authors, based on the meiotic chromosome behavior and seed-set observations, confirmed the sterility of
<emphasis id="B91AEACCFF94453ECD40FA174D0A3268" box="[1028,1054,267,293]" italics="true" pageId="4" pageNumber="57">
<collectionCode id="ED7FAE1BFF94453ECD40FA174D0D3268" box="[1028,1049,267,293]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="4" pageNumber="57" type="Herbarium">A</collectionCode>
.
</emphasis>
×
<emphasis id="B91AEACCFF94453ECD78FA104DC43268" box="[1084,1232,268,293]" italics="true" pageId="4" pageNumber="57">guaraniticus</emphasis>
. Therefore, these interspecific hybrids have been found only in the sympatric areas of the parental species, where the
<collectionCode id="ED7FAE1BFF94453ECC1BFA2E4C673201" box="[1375,1395,306,332]" country="USA" lsid="urn:lsid:biocol.org:col:15707" name="Field Museum of Natural History, Botany Department" pageId="4" pageNumber="57" type="Herbarium">F</collectionCode>
1 is formed.
</paragraph>
</subSubSection>
</treatment>
</document>
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