204 lines
22 KiB
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204 lines
22 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.76.10808" ID-PMC="PMC5301984" ID-Pensoft-Pub="1314-2003-76-39" ID-Pensoft-UUID="FFBD980EFF8A8924FFD5FF9FFF903809" ID-PubMed="28228686" ID-Zenodo-Dep="238999" ModsDocID="1314-2003-76-39" checkinTime="1484231100784" checkinUser="pensoft" docAuthor="Testoni, Daniel & Linder, H. Peter" docDate="2017" docId="090701FEDF4A59149D31020671785ECD" docLanguage="en" docName="PhytoKeys 76: 39-69" docOrigin="PhytoKeys 76" docPubDate="2017-01-11" docSource="http://dx.doi.org/10.3897/phytokeys.76.10808" docTitle="Cortaderia speciosa (Nees & Meyen) Stapf, Gard. Chron. Ser. 3 (22): 396. 1897." docType="treatment" docVersion="3" id="FFBD980EFF8A8924FFD5FF9FFF903809" lastPageNumber="49" masterDocId="FFBD980EFF8A8924FFD5FF9FFF903809" masterDocTitle="Synoptic taxonomy of Cortaderia Stapf (Danthonioideae, Poaceae)" masterLastPageNumber="69" masterPageNumber="39" pageNumber="48" updateTime="1668141907645" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Synoptic taxonomy of Cortaderia Stapf (Danthonioideae, Poaceae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Testoni, Daniel</mods:namePart>
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<mods:affiliation>Herbario BBB, Departamento de Biologia, Bioquimica y Farmacia, Universidad Nacional del Sur, San Juan 670, CP- 8000 Bahia Blanca, Argentina</mods:affiliation>
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<mods:nameIdentifier type="email">daniel.testoni@uns.edu.ar</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Linder, H. Peter</mods:namePart>
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<mods:affiliation>Department of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, CH- 8008 Zurich, Switzerland</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2017</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2017-01-11</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>76</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>39</mods:start>
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<mods:end>69</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.76.10808</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.76.10808</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-76-39</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FFBD980EFF8A8924FFD5FF9FFF903809</mods:identifier>
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<mods:identifier type="Zenodo-Dep">238999</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182226348" LSID="urn:lsid:plazi:treatment:090701FEDF4A59149D31020671785ECD" httpUri="http://treatment.plazi.org/id/090701FEDF4A59149D31020671785ECD" lastPageId="10" lastPageNumber="49" pageId="9" pageNumber="48">
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<subSubSection pageId="9" pageNumber="48" type="nomenclature">
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<paragraph pageId="9" pageNumber="48">
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3.
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<taxonomicName LSID="090701FE-DF4A-5914-9D31-020671785ECD" authority="(Nees & Meyen) Stapf, Gard. Chron. Ser. 3 (22): 396. 1897." authorityName="(Nees & Meyen) Stapf, Gard. Chron. Ser. 3 (22): 396. 1897." class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia speciosa" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosa">Cortaderia speciosa (Nees & Meyen) Stapf, Gard. Chron. Ser. 3(22): 396. 1897.</taxonomicName>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Lemmas of selected species of Cortaderia. A Cortaderia selloana, Juergens 40 (B) B Cortaderia araucana, Borchers s. n. (US) C Cortaderia speciosa, P. M. Peterson 12766 (US) D Cortaderia vaginata, L. B. Smith, P. R. Reitz & R. Klein 7761 (B) E Cortaderia egmontiana, P. M. Peterson, R. J. Soreng & N. Refulio-Rodriguez 17508 (US) F Cortaderia modesta, A. Chase 8288 (US) G Cortaderia hieronymi, A. Burkart et al. 30395 (P) - note that awn and setae are much longer than illustrated H Cortaderia nitida, S. Laegaard 52786 (K) I Cortaderia sericantha, E. Asplund 17175 (B) J Cortaderia bifida, D. N. Smith & J. Cabanillas 7167 (US) K Cortaderia hapalotricha, J. C. Solomon & R. Chevalier 16620 L Cortaderia columbiana, J. P. Schulz 318 (US). All at same magnification." figureDoi="10.3897/phytokeys.76.10808.figure1" httpUri="https://binary.pensoft.net/fig/117855" pageId="9" pageNumber="48">Fig. 1C</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="48" type="reference_group">
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<paragraph pageId="9" pageNumber="48">
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<taxonomicName authorityName="Nees" authorityYear="1841" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium speciosum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosum">Gynerium speciosum</taxonomicName>
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Nees & Meyen, Nov. Act. Nat. Cur. 19 suppl. 1: 153. 1843;
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium argenteum subsp. var. var. strictum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="variety" species="argenteum" subSpecies="var." variety="strictum">Gynerium argenteum var. strictum</taxonomicName>
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E. Desv., Fl. Chile. 6: 328. 1854;
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Moorea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Moorea speciosa" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosa">Moorea speciosa</taxonomicName>
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(Nees & Meyen) Stapf, Gard. Chron. Ser. 3, 34: 400. 1903. Type: Chile, ad flumen Copiapo dictum circa Nantoco in provincia
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<normalizedToken originalValue="Copiapó">Copiapo</normalizedToken>
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reipublicae Chilensis, III-1831, F. J. F. Meyen s.n. (lectotype designated by Connor & Edgar, Taxon 23: 603 (1974): B 10 0217503! (http://ww2.bgbm.org/Herbarium/specimen.cfm?Barcode=B100217503); isolectotype: K! frag. ex B).
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</paragraph>
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<paragraph pageId="9" pageNumber="48">
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">Gynerium quila</taxonomicName>
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Nees & Meyen, Nov. Act. Nat. Cur.19 suppl. 1: 153. 1843;
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<taxonomicName authorityName="Stapf" authorityYear="1897" baseAuthorityName="Molina" class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">Cortaderia quila</taxonomicName>
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(Nees & Meyen) Stapf, Gard. Chron. Ser. 3: 22: 396. 1897;
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Moorea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Moorea quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">Moorea quila</taxonomicName>
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(Nees & Meyen) Stapf, Gard. Chron. Ser 3, 34: 400. 1903. Type: Chile, ad
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<normalizedToken originalValue="Copiapó">Copiapo</normalizedToken>
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fluvium circa Nantoco, sine data, F. J. F. Meyen s.n. (syntype: B!);
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<normalizedToken originalValue="Perú">Peru</normalizedToken>
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, ad lacum Titicacam et ad pedem vulcani Arequipensis. Femina planta. Mascula ignota est., 1000 m, Maio, F. J. F. Meyen s.n. (syntype: B 10 0217504 (http://ww2.bgbm.org/Herbarium/specimen.cfm?Barcode=B100217504; isosyntype: BAA! frag. ex B).
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</paragraph>
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<paragraph pageId="9" pageNumber="48">
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium quila subsp. var. var. pygmaeum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="variety" species="quila" subSpecies="var." variety="pygmaeum">Gynerium quila var. pygmaeum</taxonomicName>
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Meyen, Nov. Act. Nat. Cur. 19 Suppl. 1: 153. 1843. Type:
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<normalizedToken originalValue="Perú">Peru</normalizedToken>
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, "ad lacum Titicacam. ♀", IV-1841, F. J. F. Meyen s.n. (lectotype, designated here: B 10 0217506! (http://ww2.bgbm.org/Herbarium/specimen.cfm?Barcode=B100217506).
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</paragraph>
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<paragraph pageId="9" pageNumber="48">
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium argenteum subsp. var. var. parviflorum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="variety" species="argenteum" subSpecies="var." variety="parviflorum">Gynerium argenteum var. parviflorum</taxonomicName>
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E. Desv., Fl. Chile. 6: 328. 1854. Type: Chile, Mal Paso, cordillera de Guanta, a la orilla de los arroyos, 2490 m., en donde forma copas apretadas de un metro y
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<normalizedToken originalValue="más">mas</normalizedToken>
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, sine data, C. Gay s.n. (lectotype, designated here: P 00506920!).
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</paragraph>
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<paragraph pageId="9" pageNumber="48">
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<taxonomicName authorityName="Phil" authorityYear="1864" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium atacamense" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="atacamense">Gynerium atacamense</taxonomicName>
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Phil., Linnaea 33: 289.1865.
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<taxonomicName authorityName="Pilg" authorityYear="1906" baseAuthorityName="Phil." class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia atacamensis" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="atacamensis">Cortaderia atacamensis</taxonomicName>
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(Phil.) Pilg., Bot. Jahrb. 37: 374. 1906. Type: Chile, prope San Pedro de Atacama, I-1854, R. A. Philippi s.n. (lectotype, designated as holotype by Connor & Edgar, Taxon 23: 597 (1974): SGO photo!; isolectotype: BAA! frag. ex SGO, W!).
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</paragraph>
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<paragraph pageId="9" pageNumber="48">
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<taxonomicName authorityName="Stapf" authorityYear="1897" class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia rudiuscula" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="rudiuscula">Cortaderia rudiuscula</taxonomicName>
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Stapf, Gard. Chron. Ser. 3, 22: 396. 1897.
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Moorea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Moorea rudiuscula" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="rudiuscula">Moorea rudiuscula</taxonomicName>
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(Stapf) Stapf, Gard. Chron. Ser. 3, 34: 400. 1903. Type: Chile, Santa Rosa de los Andes, V-1882, J. Ball s.n. (lectotype, designated by Connor & Edgar, Taxon 23: 601 (1974): K!; isolectotype: BAA! frag. ex K).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="48" type="etymology">
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<paragraph pageId="9" pageNumber="48">Etymology.</paragraph>
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<paragraph pageId="9" pageNumber="48">
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<emphasis italics="true" pageId="9" pageNumber="48">speciosus</emphasis>
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(Latin), beautiful, showy.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="48" type="nomenclatural comments">
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<paragraph pageId="9" pageNumber="48">Nomenclatural comments.</paragraph>
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<paragraph pageId="9" pageNumber="48">
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The binomials
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<taxonomicName authorityName="Nees" authorityYear="1841" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium speciosum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosum">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium speciosum</emphasis>
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</taxonomicName>
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,
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<taxonomicName authorityName="Meyen" authorityYear="1834" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium neesii" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="neesii">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium neesii</emphasis>
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</taxonomicName>
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and
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<taxonomicName authorityName="Meyen" authorityYear="1834" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium pygmaeum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="pygmaeum">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium pygmaeum</emphasis>
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</taxonomicName>
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- mentioned as new species by Meyen (1834), from Copiapo (Chile) and Lake Titicaca (Peru), respectively - are synonyms of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia speciosa" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosa">
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<emphasis italics="true" pageId="9" pageNumber="48">Cortaderia speciosa</emphasis>
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</taxonomicName>
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, but are invalid (nomina nuda) as no descriptions were published. Their identity can be determined, because the specimens in B! were annotated with the Meyen names.
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<taxonomicName authorityName="Nees" authorityYear="1841" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium speciosum" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosum">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium speciosum</emphasis>
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</taxonomicName>
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was validated by Nees in 1943. Tropicos (Downloaded 14 December 2016) lists the species as described by Nees in 1841 (
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<bibRefCitation author="Nees ab Esenbeck, CG" journalOrPublisher="Prausnitzianis, Glogau" pageId="27" pageNumber="66" refId="B25" refString="Nees ab Esenbeck, CG, 1841. Florae Africae Australioris. Illustrationis monographicae. I. Gramineae. Prausnitzianis, Glogau" title="Florae Africae Australioris. Illustrationis monographicae. I. Gramineae" year="1841">Nees ab Esenbeck 1841</bibRefCitation>
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), but this is erroneous.
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<bibRefCitation author="Conert, J" journalOrPublisher="Cramer, Weinheim" pageId="26" pageNumber="65" refId="B5" refString="Conert, J, 1961. Die Systematik und Anatomie der Arundineae. J. Cramer, Weinheim" title="Die Systematik und Anatomie der Arundineae. J." year="1961">Conert (1961)</bibRefCitation>
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designated
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<emphasis italics="true" pageId="9" pageNumber="48">Philippi 1024</emphasis>
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(B photo!) from Chile ("Atacama oppidum, 1824") as lectotype of
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<taxonomicName authorityName="Phil" authorityYear="1864" class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium atacamense" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="atacamense">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium atacamense</emphasis>
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</taxonomicName>
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Phil. However, the type has been found in the herbarium SGO (Connor, 1983) and, therefore, the lectotype designated by Conert should not be taken into account. The binomial
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Arundo" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Arundo quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">
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<emphasis italics="true" pageId="9" pageNumber="48">Arundo quila</emphasis>
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</taxonomicName>
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Molina is a synonym of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Chusquea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Chusquea quila" order="Poales" pageId="9" pageNumber="48" phylum="Liliopsida" rank="species" species="quila">
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<emphasis italics="true" pageId="9" pageNumber="48">Chusquea quila</emphasis>
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</taxonomicName>
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Kunth (
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<taxonomicName authorityName="Kunth" authorityYear="1822" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Poales" pageId="9" pageNumber="48" phylum="Liliopsida" rank="subFamily" subFamily="Bambusoideae">Bambusoideae</taxonomicName>
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). In some works, it has been confused
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium quila</emphasis>
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</taxonomicName>
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Nees & Meyen (basionym of
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<taxonomicName authorityName="Stapf" authorityYear="1897" baseAuthorityName="Molina" class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">
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<emphasis italics="true" pageId="9" pageNumber="48">Cortaderia quila</emphasis>
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</taxonomicName>
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Nees & Meyen) Stapf, therefore, the binomials
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Gynerium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Gynerium quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">
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<emphasis italics="true" pageId="9" pageNumber="48">Gynerium quila</emphasis>
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</taxonomicName>
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(Molina) Nees & Meyen and
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<taxonomicName authorityName="Stapf" authorityYear="1897" baseAuthorityName="Molina" class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia quila" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="quila">
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<emphasis italics="true" pageId="9" pageNumber="48">Cortaderia quila</emphasis>
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</taxonomicName>
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(Molina) Stapf are invalid.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="48" type="common names">
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<paragraph pageId="9" pageNumber="48">Common names.</paragraph>
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<paragraph pageId="9" pageNumber="48">cortadera</paragraph>
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</subSubSection>
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<subSubSection lastPageId="10" lastPageNumber="49" pageId="9" pageNumber="48" type="taxonomy">
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<paragraph pageId="9" pageNumber="48">Taxonomy.</paragraph>
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<paragraph lastPageId="10" lastPageNumber="49" pageId="9" pageNumber="48">
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In the Selloana group,
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia speciosa" order="Poales" pageId="9" pageNumber="48" phylum="Tracheophyta" rank="species" species="speciosa">
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<emphasis italics="true" pageId="9" pageNumber="48">Cortaderia speciosa</emphasis>
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</taxonomicName>
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can be diagnosed by the short basal lemmas, which are less than 13 mm long. The spikelets are 8-15 mm long and the basal lemma 7.0-12.5 mm long (including awn, 1-4 mm). It differs from other species in the group by its very compact, bright brown panicles with ascending, short and stiff
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<pageBreakToken pageId="10" pageNumber="49" start="start">branches</pageBreakToken>
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. The species is readily distinguished by the small floret sizes. The leaf anatomy is also somewhat different from the other species of the group (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Leaf anatomy of Cortaderia, as evident from transverse sections. A-B Cortaderia selloana (Villamil 11738) C Cortaderia speciosa (Testoni 644) D Cortaderia vaginata (Zanin 1654). Comparison of bulliform cells in Egmontiana group: E Cortaderia egmontiana (Testoni 634) F Cortaderia modesta (Carauta 927) G Cortaderia vaginata (Zanin 1654). Structures referred to in the descriptions are labelled as follows: 1, multi-layered abaxial sub-epidermal collenchyma layer; 2, aerenchyma; 3, chlorenchyma; 4, primary vascular bundle; 5, midrib; 6, colourless cells; 7, empty cells; 8, bulliform cells." figureDoi="10.3897/phytokeys.76.10808.figure2" httpUri="https://binary.pensoft.net/fig/117856" pageId="10" pageNumber="49">2C</figureCitation>
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): the midrib is rounded and somewhat lower; the outer sheath of the central vascular bundle without projections to the adaxial epidermis; and with a massive abaxial sub-epidermal collenchyma layer, only in the middle part of the leaf. The latter occurs in the Nitida group but along the leaf. It is known only by pistillate plants from desert regions (the Puna) of Argentina, Bolivia and Chile.
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</paragraph>
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<paragraph pageId="10" pageNumber="49">
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This species is completely apomictic, and several morphological subgroups can be recognized. As these are all apomicts, it is presumed that they derive from the same ancestral sexual population. The material previously separated as
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<taxonomicName authorityName="Stapf" authorityYear="1897" class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia rudiuscula" order="Poales" pageId="10" pageNumber="49" phylum="Tracheophyta" rank="species" species="rudiuscula">
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<emphasis italics="true" pageId="10" pageNumber="49">Cortaderia rudiuscula</emphasis>
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</taxonomicName>
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has longer (9-12 mm) and more slender lemmas, than the material previously separated as
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Cortaderia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cortaderia speciosa" order="Poales" pageId="10" pageNumber="49" phylum="Tracheophyta" rank="species" species="speciosa">
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<emphasis italics="true" pageId="10" pageNumber="49">Cortaderia speciosa</emphasis>
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</taxonomicName>
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(lemmas ca. 8 mm), but there is no clear separation between these two forms.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |