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<document id="A3ED18A7E693180868BAE11CF9B5C3B3" ID-DOI="10.11646/phytotaxa.609.2.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="8272241" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="diego" IM.materialsCitations_approvedBy="diego" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="diego" IM.taxonomicNames_approvedBy="diego" IM.treatments_approvedBy="diego" checkinTime="1692696637336" checkinUser="plazi" docAuthor="García-Martínez, Miguel A., Terrazas, Teresa, Sánchez, Daniel, Reyes, Pablo Carrillo- &amp; Ruiz-Sanchez, Eduardo" docDate="2023" docId="03AD87BFFFFA0C14FF452ACBFEEFFC6B" docLanguage="en" docName="phytotaxa.609.2.1.pdf" docOrigin="Phytotaxa 609 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.609.2.1" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.6:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="6" docTitle="Otatea ximenae Ruiz-Sanchez &amp; Clark" docType="treatment" docVersion="3" lastPageNumber="93" masterDocId="FF94FFC7FFE80C06FFCD2B29FFEBFFC7" masterDocTitle="Culm anatomy of the genus Otatea (Poaceae, Bambusoideae, Bambuseae, Guaduinae) as a contribution to Mexican species identification" masterLastPageNumber="102" masterPageNumber="75" pageNumber="93" updateTime="1692733049628" updateUser="diego" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="29C23D424035D67D9F71DA42B756BE42">Culm anatomy of the genus Otatea (Poaceae, Bambusoideae, Bambuseae, Guaduinae) as a contribution to Mexican species identification</mods:title>
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<mods:namePart id="6D90612F54F9F4DC5B34CF3A483A9684">García-Martínez, Miguel A.</mods:namePart>
<mods:affiliation id="D40C3BCF6A46283776085953BFEC978E">Doctorado en Ciencias en Biosistemática, Ecología y Manejo de Recursos Naturales y Agrícolas, Universidad de Guadalajara, Camino Ing. Ramón Padilla Sánchez 2000, Nextipac, Zapopan, Jalisco, 45200, Mexico. &amp; Laboratorio Nacional de Identificación y Caracterización Vegetal (LaniVeg), Instituto de Botánica, Universidad de Guadalajara, Camino Ing. Ramón Padilla Sánchez 2000, Nextipac, Zapopan, Jalisco, 45200, Mexico.</mods:affiliation>
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<mods:namePart id="8AAB3F9FEA6E3AA2BA80869FEC4C671B">Terrazas, Teresa</mods:namePart>
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<mods:affiliation id="831BB5A443F2784EFA1B9843DB3B2FBA">Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Coyoacán 04510, Mexico City, Mexico. Departamento de Botánica y Zoología, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Camino Ing. Ramón Padilla Sánchez 2000, Nextipac, Zapopan, Jalisco, 45200, Mexico. &amp; tterrazas @ ib. unam. mx; https: // orcid. org / 0000 - 0001 - 7749 - 5126</mods:affiliation>
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<mods:namePart id="F079BD4865E86B56A6AE1452D8CAD06D">Sánchez, Daniel</mods:namePart>
<mods:affiliation id="23E8DC3637ED556A1D1298EF53F9223F">Investigador por México, Consejo Nacional de Humanidades Ciencias y Tecnologías (CONAHCYT), Laboratorio Nacional de Identificación y Caracterización Vegetal, Departamento Botánica y Zoología, Universidad de Guadalajara, Camino Ing. Ramón Padilla Sánchez 2000, Nextipac, Zapopan, Jalisco, 45200, Mexico.</mods:affiliation>
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<mods:namePart id="123740BD37AD74EFF7C65B05D3C06855">Reyes, Pablo Carrillo-</mods:namePart>
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<mods:affiliation id="0B753D9D0C27AFB00B3D9B7D86322233">pablo. creyes @ academicos. udg. mx; https: // orcid. org / 0000 - 0001 - 9278 - 0208</mods:affiliation>
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<mods:namePart id="993A8981778C3F931AFD8DCF13802840">Ruiz-Sanchez, Eduardo</mods:namePart>
<mods:affiliation id="4C5C0734C100DC3E711E07525F044A2A">Laboratorio Nacional de Identificación y Caracterización Vegetal (LaniVeg), Instituto de Botánica, Universidad de Guadalajara, Camino Ing. Ramón Padilla Sánchez 2000, Nextipac, Zapopan, Jalisco, 45200, Mexico.</mods:affiliation>
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<mods:title id="00D8E3322DDAD9ADF4C7AEF36A07AEF9">Phytotaxa</mods:title>
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<mods:date id="FE4FE2097EA67871561BC636A7E11E96">2023</mods:date>
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<taxonomicName id="4C044D2AFFFA0C14FF452ACBFED6FE3B" ID-CoL="4B24R" ID-ENA="993352" authority="Ruiz-Sanchez &amp; Clark" authorityName="Ruiz-Sanchez &amp; Clark" box="[136,317,482,508]" class="Liliopsida" family="Poaceae" genus="Otatea" kingdom="Plantae" order="Poales" pageId="18" pageNumber="93" phylum="Tracheophyta" rank="species" species="ximenae">
<emphasis id="B970EABBFFFA0C14FF452ACBFED6FE3B" bold="true" box="[136,317,482,508]" italics="true" pageId="18" pageNumber="93">Otatea ximenae</emphasis>
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(
<figureCitation id="133F2A2CFFFA0C14FE802ACBFE75FE3B" box="[333,414,482,508]" captionStart="FIGURE 14" captionStartId="19.[136,229,1869,1891]" captionTargetBox="[165,1423,206,1838]" captionTargetId="figure-18@19.[159,1428,190,1844]" captionTargetPageId="19" captionText="FIGURE 14. Culm cross section of Otatea ximenae. A. Cross section general view. B. Central area with vascular bundles following different orientations. C. Epidermis and hypodermis. D. Peripheral vascular bundle. E. Transitional vascular bundle. F. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272284" httpUri="https://zenodo.org/record/8272284/files/figure.png" pageId="18" pageNumber="93">Fig. 14</figureCitation>
)
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<subSubSection id="C31E6522FFFA0C14FF452903FEEFFC6B" pageId="18" pageNumber="93" type="materials_examined">
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<emphasis id="B970EABBFFFA0C14FF452903FE9AFD83" bold="true" box="[136,369,554,580]" pageId="18" pageNumber="93">Material examined:</emphasis>
<materialsCitation id="3B6C3CF4FFFA0C14FE432903FCFCFDAE" collectingDate="2020-02-02" collectionCode="M" country="Mexico" county="Asuncion Nochixtlan" elevation="1928" latitude="17.38586" location="Puebla-Oaxaca" longLatPrecision="1" longitude="-97.1358" municipality="Km" pageId="18" pageNumber="93" specimenCount="1" stateProvince="Oaxaca">
<collectingCountry id="F3137639FFFA0C14FE432903FE14FD83" box="[398,511,554,580]" name="Mexico" pageId="18" pageNumber="93">MEXICO</collectingCountry>
.
<collectingRegion id="49C0F84BFFFA0C14FDCA2903FDB4FD83" box="[519,607,554,580]" country="Mexico" name="Oaxaca" pageId="18" pageNumber="93">Oaxaca</collectingRegion>
:
<collectingCounty id="62DA4E25FFFA0C14FDAB2903FCBFFD83" box="[614,852,554,580]" pageId="18" pageNumber="93">Asunción Nochixtlán</collectingCounty>
,
<collectingMunicipality id="6BDFACD3FFFA0C14FC902902FC6CFD82" box="[861,903,555,581]" pageId="18" pageNumber="93">Km</collectingMunicipality>
190 of the
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highway,
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<geoCoordinate id="EE30506EFFFA0C14FF452967FEFBFDAF" box="[136,272,590,616]" degrees="97" direction="west" minutes="8" orientation="longitude" pageId="18" pageNumber="93" precision="1" seconds="8.9" value="-97.1358">97°88.9”W</geoCoordinate>
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<elevation id="0029D19AFFFA0C14FEDA2967FE85FDAE" box="[279,366,590,617]" metricMagnitude="3" metricUnit="m" metricValue="1.928" pageId="18" pageNumber="93" unit="m" value="1928.0">1928 m</elevation>
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<date id="FFBA1069FFFA0C14FEB72967FDDDFDAF" box="[378,566,590,616]" pageId="18" pageNumber="93" value="2020-02-02">
<collectingDate id="EFFEE981FFFA0C14FEB72967FDDDFDAF" box="[378,566,590,616]" pageId="18" pageNumber="93" value="2020-02-02">2 February 2020</collectingDate>
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,
<emphasis id="B970EABBFFFA0C14FD8C2967FCFCFDAE" box="[577,791,590,617]" italics="true" pageId="18" pageNumber="93">
Ruiz-Sanchez &amp;
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.
<materialsCitation id="3B6C3CF4FFFA0C14FCD62966FCC5FDAE" box="[795,814,591,617]" collectingDate="2020-02-02" collectionCode="A" country="Mexico" county="Asuncion Nochixtlan" elevation="1928" isTailEnumeration="true" latitude="17.38586" location="Puebla-Oaxaca" longLatPrecision="1" longitude="-97.1358" municipality="Km" pageId="18" pageNumber="93" specimenCount="1" stateProvince="Oaxaca">
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.
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<materialsCitation id="3B6C3CF4FFFA0C14FCF42966FB79FDAF" box="[825,1170,590,617]" collectionCode="IBUG" country="Mexico" location="Garcia-Martinez" pageId="18" pageNumber="93" specimenCount="1" stateProvince="Oaxaca">
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<location id="8EDB6072FFFA0C14FCF42966FC1DFDAE" LSID="urn:lsid:plazi:treatment:03AD87BFFFFA0C14FF452ACBFEEFFC6B:8EDB6072FFFA0C14FCF42966FC1DFDAE" box="[825,1014,591,617]" country="Mexico" name="Garcia-Martinez" pageId="18" pageNumber="93" stateProvince="Oaxaca">García-Martínez</location>
645
</emphasis>
(
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!)
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.
</paragraph>
<paragraph id="8BBB36A9FFFA0C14FF70295BFEEFFC6B" blockId="18.[136,1452,554,940]" pageId="18" pageNumber="93">
<emphasis id="B970EABBFFFA0C14FF70295BFDE0FD4B" bold="true" box="[189,523,626,652]" pageId="18" pageNumber="93">Culm anatomy description:</emphasis>
—Culm solid. Epidermis with a layer of axially elongated lignified cells, 12 µm length, with occasional rectangular silica bodies on top (
<figureCitation id="133F2A2CFFFA0C14FD3929BFFCB1FD77" box="[756,858,662,688]" captionStart="FIGURE 16" captionStartId="21.[136,229,1817,1839]" captionTargetBox="[189,1399,203,1787]" captionTargetId="figure-18@21.[183,1404,190,1793]" captionTargetPageId="21" captionText="FIGURE 16. Culm cross section of Otatea sp. nov. 2. A. Cross section general view. B. Epidermis and cortex. C. Peripheral vascular bundle. D. Transitional vascular bundle. E. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272288" httpUri="https://zenodo.org/record/8272288/files/figure.png" pageId="18" pageNumber="93">Fig. 16C</figureCitation>
). Cortex with one layer of thick-walled cells followed by 2 layers of wider, thinner-walled ovoidal cells (3 layers in total, 30 µm length;
<figureCitation id="133F2A2CFFFA0C14FBE92993FB61FD13" box="[1060,1162,698,724]" captionStart="FIGURE 16" captionStartId="21.[136,229,1817,1839]" captionTargetBox="[189,1399,203,1787]" captionTargetId="figure-18@21.[183,1404,190,1793]" captionTargetPageId="21" captionText="FIGURE 16. Culm cross section of Otatea sp. nov. 2. A. Cross section general view. B. Epidermis and cortex. C. Peripheral vascular bundle. D. Transitional vascular bundle. E. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272288" httpUri="https://zenodo.org/record/8272288/files/figure.png" pageId="18" pageNumber="93">Fig. 16C</figureCitation>
). Vascular bundles in 56 alternating cycles (
<figureCitation id="133F2A2CFFFA0C14FEAE29F7FE25FD3F" box="[355,462,734,760]" captionStart="FIGURE 16" captionStartId="21.[136,229,1817,1839]" captionTargetBox="[189,1399,203,1787]" captionTargetId="figure-18@21.[183,1404,190,1793]" captionTargetPageId="21" captionText="FIGURE 16. Culm cross section of Otatea sp. nov. 2. A. Cross section general view. B. Epidermis and cortex. C. Peripheral vascular bundle. D. Transitional vascular bundle. E. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272288" httpUri="https://zenodo.org/record/8272288/files/figure.png" pageId="18" pageNumber="93">Fig. 16A</figureCitation>
). Peripheral, transitional, and central vascular bundles surrounded by a sclerenchyma sheath defining their contour (
<figureCitation id="133F2A2CFFFA0C14FE3F282BFD61FCDB" box="[498,650,770,796]" captionStart="FIGURE 16" captionStartId="21.[136,229,1817,1839]" captionTargetBox="[189,1399,203,1787]" captionTargetId="figure-18@21.[183,1404,190,1793]" captionTargetPageId="21" captionText="FIGURE 16. Culm cross section of Otatea sp. nov. 2. A. Cross section general view. B. Epidermis and cortex. C. Peripheral vascular bundle. D. Transitional vascular bundle. E. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272288" httpUri="https://zenodo.org/record/8272288/files/figure.png" pageId="18" pageNumber="93">Figs. 16DF</figureCitation>
). Ovate central vascular bundles, 309 ×304 μm; two round shaped metaxylem vessels, 75 × 83 μm; phloem with sieve tubes and companion cells located between two metaxylem vessels on the upper level, 78 × 98 µm; sieve tubes 19 × 20 µm (
<figureCitation id="133F2A2CFFFA0C14FCC72863FC85FCA3" box="[778,878,842,868]" captionStart="FIGURE 16" captionStartId="21.[136,229,1817,1839]" captionTargetBox="[189,1399,203,1787]" captionTargetId="figure-18@21.[183,1404,190,1793]" captionTargetPageId="21" captionText="FIGURE 16. Culm cross section of Otatea sp. nov. 2. A. Cross section general view. B. Epidermis and cortex. C. Peripheral vascular bundle. D. Transitional vascular bundle. E. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272288" httpUri="https://zenodo.org/record/8272288/files/figure.png" pageId="18" pageNumber="93">Fig. 16F</figureCitation>
). Ground parenchyma with abundant starch grains. Frequent conical silica bodies across the ground tissue occupying intercellular spaces covering a mean area of 10 µm
<superScript id="7C719BE1FFFA0C14FA6E2847FA40FCBB" attach="left" box="[1443,1451,878,892]" fontSize="6" pageId="18" pageNumber="93">2</superScript>
(
<figureCitation id="133F2A2CFFFA0C14FF5D28BBFF1CFC6B" box="[144,247,914,940]" captionStart="FIGURE 16" captionStartId="21.[136,229,1817,1839]" captionTargetBox="[189,1399,203,1787]" captionTargetId="figure-18@21.[183,1404,190,1793]" captionTargetPageId="21" captionText="FIGURE 16. Culm cross section of Otatea sp. nov. 2. A. Cross section general view. B. Epidermis and cortex. C. Peripheral vascular bundle. D. Transitional vascular bundle. E. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies." figureDoi="http://doi.org/10.5281/zenodo.8272288" httpUri="https://zenodo.org/record/8272288/files/figure.png" pageId="18" pageNumber="93">Fig. 16B</figureCitation>
).
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</subSubSection>
</treatment>
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