282 lines
32 KiB
XML
282 lines
32 KiB
XML
<document id="1D9163B31C1D69A634CC933D39FA4BDB" ID-CLB-Dataset="20827" ID-DOI="10.15553/c2013v681a3" ID-GBIF-Dataset="6325a650-a553-43f1-a504-02d37424a5a8" ID-ISSN="2235-3658" ID-Zenodo-Dep="6033898" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1637612712282" checkinUser="carolina" docAuthor="Cribb, Phillip, Gautier, Laurent & Nusbaumer, Louis" docDate="2013" docId="123A9C28E37FFFFD25297B4D18F4F877" docLanguage="en" docName="Candollea.68.1.41-49.pdf.imf" docOrigin="Candollea 68 (1)" docStyle="DocumentStyle:FB35ED2BCB231A5F446DBDA23BDBADFC.2:Candollea.2012-2014.journal_article" docStyleId="FB35ED2BCB231A5F446DBDA23BDBADFC" docStyleName="Candollea.2012-2014.journal_article" docStyleVersion="2" docTitle="Didymoplexis avaratraensis P. J. Cribb, Nusb. & L. Gaut. 2013, spec. nova" docType="treatment" docVersion="7" lastPageNumber="43" masterDocId="EE03E450E37DFFFF255B7F601B2CFFE9" masterDocTitle="How many species are there in the holomycotrophic genus Didymoplexis Griff. (Orchidaceae) in Madagascar?" masterLastPageNumber="49" masterPageNumber="41" pageNumber="43" updateTime="1699469291086" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="6E05F261C9E8080B9F505FBB1AE4403E">How many species are there in the holomycotrophic genus Didymoplexis Griff. (Orchidaceae) in Madagascar?</mods:title>
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<mods:name id="E668B6D84074B11CDE4B2157C4CB9DE1" type="personal">
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<mods:namePart id="3372AB5F42B23CB642DDE2E923C65989">Cribb, Phillip</mods:namePart>
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<mods:affiliation id="F0FE1991B213287A1F2131D18996539B">The Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW 9 3 AB, United Kingdom.</mods:affiliation>
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<mods:nameIdentifier id="F6068D5A9DC7281C634F24E097E2A3D7" type="email">p.cribb@kew.org.uk</mods:nameIdentifier>
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<mods:namePart id="2E7C89B11327C427F1D230467EC266F9">Gautier, Laurent</mods:namePart>
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<mods:affiliation id="D6D7B0B077365506CB57D64A961DDCF4">Conservatoire et Jardin botaniques de la Ville de Genève and Université de Genève, Laboratoire universitaire de Systématique végétale et Biodiversité, CP 60, 1292 Chambésy, Switzerland.</mods:affiliation>
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<mods:namePart id="B86B8564023350A20E60E371516BE59A">Nusbaumer, Louis</mods:namePart>
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<mods:affiliation id="CDD7E56B1D06809C0684EE8E66C13F94">Conservatoire et Jardin botaniques de la Ville de Genève and Université de Genève, Laboratoire universitaire de Systématique végétale et Biodiversité, CP 60, 1292 Chambésy, Switzerland.</mods:affiliation>
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<mods:typeOfResource id="507A9961A844294607BBDBEBEAB6A06B">text</mods:typeOfResource>
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<mods:title id="89881E3B03C0850BAC5B14D432E613C6">Candollea</mods:title>
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</mods:titleInfo>
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<mods:part id="87C9336FAFD85B6165E6F95876F81C12">
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<mods:date id="22C1242BD5347D89FEB91F3BB96B41B6">2013</mods:date>
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<mods:number id="B49535C9D669CB7FFDB4C2589F156372">2013-07-01</mods:number>
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<treatment id="123A9C28E37FFFFD25297B4D18F4F877" ID-DOI="http://doi.org/10.5281/zenodo.6301737" ID-GBIF-Taxon="193254749" ID-Zenodo-Dep="6301737" LSID="urn:lsid:plazi:treatment:123A9C28E37FFFFD25297B4D18F4F877" httpUri="http://treatment.plazi.org/id/123A9C28E37FFFFD25297B4D18F4F877" lastPageNumber="43" pageId="2" pageNumber="43">
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<subSubSection id="D2897EB5E37FFFFD25297B4D1BCBFB8C" pageId="2" pageNumber="43" type="nomenclature">
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<paragraph id="9A2C2D3EE37FFFFD25297B4D1BCBFB8C" blockId="2.[114,764,1069,1125]" pageId="2" pageNumber="43">
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<heading id="C1649A52E37FFFFD25297B4D1BCBFB8C" fontSize="10" level="2" pageId="2" pageNumber="43" reason="2">
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<taxonomicName id="5D9356BDE37FFFFD25297B4D19D4FBAC" ID-CoL="35Z62" authority="P. J. Cribb, Nusb. & L. Gaut." authorityName="P. J. Cribb, Nusb. & L. Gaut." authorityYear="2013" box="[114,760,1069,1093]" class="Liliopsida" family="Orchidaceae" genus="Didymoplexis" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="avaratraensis" status="sp. nov.">
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<emphasis id="A8E7F12CE37FFFFD25297B4D1A82FBAC" bold="true" box="[114,430,1069,1093]" italics="true" pageId="2" pageNumber="43">Didymoplexis avaratraensis</emphasis>
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P. J. Cribb, Nusb. & L. Gaut.
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</taxonomicName>
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,
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<emphasis id="A8E7F12CE37FFFFD25297B2D1BCBFB8C" bold="true" box="[114,231,1101,1125]" pageId="2" pageNumber="43">
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<taxonomicNameLabel id="B3D44C57E37FFFFD25297B2D1BCBFB8C" box="[114,231,1101,1125]" pageId="2" pageNumber="43">spec. nova</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="D2897EB5E37FFFFD25B57B2D1A76FB8C" box="[238,346,1101,1125]" pageId="2" pageNumber="43" type="description">
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<paragraph id="9A2C2D3EE37FFFFD25B57B2D1A76FB8C" blockId="2.[114,764,1069,1125]" box="[238,346,1101,1125]" pageId="2" pageNumber="43">
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<heading id="C1649A52E37FFFFD25B57B2D1A76FB8C" box="[238,346,1101,1125]" fontSize="10" level="2" pageId="2" pageNumber="43" reason="2">
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(
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<figureCitation id="02A831BBE37FFFFD25AD7B2D1A67FB8C" box="[246,331,1101,1125]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="5.[98,123,1845,1865]" captionStartId-1="6.[113,138,1870,1890]" captionStartId-2="7.[98,123,815,835]" captionTargetBox-0="[97,1475,275,1823]" captionTargetBox-1="[113,1490,275,1850]" captionTargetBox-2="[98,1474,275,797]" captionTargetId-0="figure-9@5.[146,1426,276,1822]" captionTargetId-1="figure-65@6.[114,1489,276,1849]" captionTargetId-2="figure-509@7.[98,1474,275,798]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="7" captionText-0="Fig. 1. – Didymoplexis avaratraensis P. J. Cribb, Nusb. & L. Gaut. A. Habit; B, C. Flower, side view; D. Dorsal sepal abaxial view; E. Lateral sepals, front view; F. Lip (labellum), flattened, front view; G. Labellum and column details, front view; H. Flower, front view. Didymoplexis recurvata P. J. Cribb, Nusb. & L. Gaut. I. Flower, front view; J. Lip (labellum), flattened, front view. [A-H: Nusbaumer & Ranirison1763, G; I-J: Nusbaumer & Ranirison 1763bis, G] [Drawing: Juliet Beentje]" captionText-1="Fig. 2. – Didymoplexis avaratraensis P. J. Cribb, Nusb. & L. Gaut. A. Flower, front view; B. Labellum and column details, front view; C. Flower and pedicel, side view; D. Habit; E. Tuberous rhizome. [Nusbaumer & Ranirison 1763] [Photo: L. Nusbaumer,12.XII.2005]" captionText-2="Fig. 3. – Didymoplexis avaratraensis P. J. Cribb, Nusb. & L. Gaut. A. Habitus; B. Flower, front view; C. Habitus; D. Flower, front view. [Photos: A-B: Mark Clements and nne Mackenzie,18.XI.2006; C-D: Jean-Michel Hervouet, 8.XII.2007]" figureDoi-0="http://doi.org/10.5281/zenodo.6033900" figureDoi-1="http://doi.org/10.5281/zenodo.6033902" figureDoi-2="http://doi.org/10.5281/zenodo.6033908" httpUri-0="https://zenodo.org/record/6033900/files/figure.png" httpUri-1="https://zenodo.org/record/6033902/files/figure.png" httpUri-2="https://zenodo.org/record/6033908/files/figure.png" pageId="2" pageNumber="43">Fig. 1-3</figureCitation>
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).
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="D2897EB5E37FFFFD25C37B1519A4FAE4" pageId="2" pageNumber="43" type="materials_examined">
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<paragraph id="9A2C2D3EE37FFFFD25C37B1519A4FAE4" blockId="2.[113,764,1141,1951]" pageId="2" pageNumber="43">
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<emphasis id="A8E7F12CE37FFFFD25C37B151BCAFB64" bold="true" box="[152,230,1141,1165]" pageId="2" pageNumber="43">Typus:</emphasis>
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<materialsCitation id="2AFB2763E37FFFFD25B77B1519DBFB04" ID-GBIF-Occurrence="3461899301" collectingDate="2005-12-12" collectionCode="G" collectorName="Nusbaumer & Ranirison" country="Madagascar" elevation="818" location="sous-prefecture de Vohemar, commune rurale de Daraina, foret de Binara" municipality="Antsiranana" pageId="2" pageNumber="43" specimenCode="G00090146" specimenCount="1" typeStatus="holotype">
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<emphasis id="A8E7F12CE37FFFFD25B77B1519D7FB64" bold="true" box="[236,763,1141,1165]" pageId="2" pageNumber="43">
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<collectingCountry id="E2846DAEE37FFFFD25B77B151AACFB65" box="[236,384,1141,1165]" pageId="2" pageNumber="43">MADAGASCAR</collectingCountry>
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. Prov. Diego-Suarez/
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<collectingMunicipality id="7A48B744E37FFFFD27307B1519DBFB64" box="[619,759,1141,1165]" pageId="2" pageNumber="43">Antsiranana</collectingMunicipality>
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:
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</emphasis>
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<location id="9F4C7BE5E37FFFFD25CC7BF51A1BFB24" LSID="urn:lsid:plazi:treatment:123A9C28E37FFFFD25297B4D18F4F877:9F4C7BE5E37FFFFD25CC7BF51A1BFB24" country="Madagascar" municipality="Antsiranana" name="sous-prefecture de Vohemar, commune rurale de Daraina, foret de Binara" pageId="2" pageNumber="43">sous-préfecture de Vohemar, commune rurale de Daraina, forêt de Binara</location>
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,
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<geoCoordinate id="FFA74BF9E37FFFFD241B7BD51ADBFB24" box="[320,503,1205,1229]" pageId="2" pageNumber="43">13°15’S 49°37’E</geoCoordinate>
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,
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<quantity id="5D6B80DBE37FFFFD27597BD5196AFB24" box="[514,582,1205,1229]" metricMagnitude="2" metricUnit="m" metricValue="8.18" pageId="2" pageNumber="43" unit="m" value="818.0">
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<elevation id="11BECA0DE37FFFFD27597BD5196AFB24" box="[514,582,1205,1229]" metricMagnitude="2" metricUnit="m" metricValue="8.18" pageId="2" pageNumber="43" unit="m" value="818.0">818 m</elevation>
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</quantity>
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, fl.,
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<date id="EE2D0BFEE37FFFFD272F7BD519DAFB24" box="[628,758,1205,1229]" pageId="2" pageNumber="43" value="2005-12-12">
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<collectingDate id="FE69F216E37FFFFD272F7BD519DAFB24" box="[628,758,1205,1229]" pageId="2" pageNumber="43" value="2005-12-12">12.XII.2005</collectingDate>
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</date>
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,
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<emphasis id="A8E7F12CE37FFFFD25CD7BB51ACDFB04" box="[150,481,1237,1261]" italics="true" pageId="2" pageNumber="43">
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<collectorName id="376648E8E37FFFFD25CD7BB51A38FB04" box="[150,276,1237,1261]" pageId="2" pageNumber="43">Nusbaumer</collectorName>
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&
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<collectorName id="376648E8E37FFFFD24637BB51A88FB04" box="[312,420,1237,1261]" pageId="2" pageNumber="43">Ranirison</collectorName>
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1763
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||
</emphasis>
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(
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<typeStatus id="4528939CE37FFFFD24AA7BB5191DFB04" box="[497,561,1237,1261]" pageId="2" pageNumber="43" type="holotype">holo-</typeStatus>
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:
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<collectionCode id="FC82B5FBE37FFFFD27607BB51963FB04" box="[571,591,1237,1261]" pageId="2" pageNumber="43">G</collectionCode>
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[
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<specimenCode id="CA358545E37FFFFD27077BB519C0FB04" box="[604,748,1237,1261]" pageId="2" pageNumber="43">G00090146</specimenCode>
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]!
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</materialsCitation>
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;
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<materialsCitation id="2AFB2763E37FFFFD25CD7B9619A4FAE4" ID-GBIF-Occurrence="3461899304" box="[150,648,1269,1294]" collectingDate="2005-12-12" collectionCode="P, TAN" collectorName="Nusbaumer & Ranirison" country="Madagascar" elevation="818" location="sous-prefecture de Vohemar, commune rurale de Daraina, foret de Binara" municipality="Antsiranana" pageId="2" pageNumber="43" specimenCount="1" typeStatus="isotype">
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<typeStatus id="4528939CE37FFFFD25CD7B961BEEFAE7" box="[150,194,1270,1294]" pageId="2" pageNumber="43" type="isotype">iso-</typeStatus>
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:
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<collectionCode id="FC82B5FBE37FFFFD25977B961BF7FAE7" box="[204,219,1270,1294]" pageId="2" pageNumber="43">P</collectionCode>
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,
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||
<collectionCode id="FC82B5FBE37FFFFD25BD7B961A09FAE7" box="[230,293,1270,1294]" pageId="2" pageNumber="43">TAN</collectionCode>
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!, research herbarium of Daraina).
|
||
</materialsCitation>
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</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD25CC7A7D1A04FA3F" pageId="2" pageNumber="43" type="diagnosis">
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<paragraph id="9A2C2D3EE37FFFFD25CC7A7D1A04FA3F" blockId="2.[113,764,1141,1951]" pageId="2" pageNumber="43">
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||
<emphasis id="A8E7F12CE37FFFFD25CC7A7D1A04FA3F" italics="true" pageId="2" pageNumber="43">Ab aliis speciebus Africanis Madagascariensibusque sepalislateralibus ad medium connatis, petalisac sepalo dorsali in parte infernus 1/5 adnatis, columna brachia apicalia brevia recurvata ad apicem acuta ferenti, labello sine seriebus verrucarum et callo ad apicem bilobato distinguendo.</emphasis>
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||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD25CC7A851F39FDC7" pageId="2" pageNumber="43" type="description">
|
||
<paragraph id="9A2C2D3EE37FFFFD25CC7A851F39FDC7" blockId="2.[113,764,1141,1951]" lastBlockId="2.[839,1491,277,558]" pageId="2" pageNumber="43">
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||
Holomycotrophic
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<emphasis id="A8E7F12CE37FFFFD24327A851AB0FA14" box="[361,412,1509,1533]" italics="true" pageId="2" pageNumber="43">herb</emphasis>
|
||
up to
|
||
<quantity id="5D6B80DBE37FFFFD24B57A85191AFA14" box="[494,566,1509,1533]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="2" pageNumber="43" unit="cm" value="15.0">15 cm</quantity>
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||
tall, stem beige, brown to blackish when old, growing from a subterranean elongated brownish tuberous rhizome.
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||
<emphasis id="A8E7F12CE37FFFFD27577945197AF9D4" box="[524,598,1573,1597]" italics="true" pageId="2" pageNumber="43">Leaves</emphasis>
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||
scale like, very small.
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||
<emphasis id="A8E7F12CE37FFFFD25E379261A6BF9B7" box="[184,327,1606,1630]" italics="true" pageId="2" pageNumber="43">Inflorescence</emphasis>
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||
erect, racemose, laxly few-flowered, the flowers opening one at a time and successively; peduncle slender, erect, bearing a small ovate bract below inflorescence, white or pale buff-coloured; rachis terete, slender; pedicel with longitudinal ridges
|
||
<quantity id="5D6B80DBE37FFFFD248379A61916F937" box="[472,570,1734,1758]" metricMagnitude="-2" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="2" pageNumber="43" unit="cm" value="1.75" valueMax="2.0" valueMin="1.5">1.5-2 cm</quantity>
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||
during flowering period; bracts ovate, acuminate,
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||
<quantity id="5D6B80DBE37FFFFD249379861902F917" box="[456,558,1766,1790]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="2" pageNumber="43" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">1-1.5 mm</quantity>
|
||
long.
|
||
<emphasis id="A8E7F12CE37FFFFD272B798619EAF917" box="[624,710,1766,1790]" italics="true" pageId="2" pageNumber="43">Flowers</emphasis>
|
||
with pink or white sepals and petals, flushed with red-brown in the centre, the lip pink or white with reddish brown sides, the callus spotted with yellow.
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||
<emphasis id="A8E7F12CE37FFFFD24CD7826190CF8B7" box="[406,544,1862,1886]" italics="true" pageId="2" pageNumber="43">Dorsal sepal</emphasis>
|
||
strongly curved forward, lanceolate, rounded, 15 × 3.-
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||
<quantity id="5D6B80DBE37FFFFD24A078061970F897" box="[507,604,1894,1918]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="2" pageNumber="43" unit="mm" value="3.5">3.5 mm</quantity>
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||
; lateral sepals somewhat recurved, fused in basal half, more or less parallel and slightly falcate, ovate, rounded, 13 ×
|
||
<quantity id="5D6B80DBE37FFFFD20657E741EADFEC5" box="[1342,1409,276,300]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="2" pageNumber="43" unit="mm" value="4.0">4 mm</quantity>
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||
.
|
||
<emphasis id="A8E7F12CE37FFFFD20D77E741EFDFEC5" box="[1420,1489,276,300]" italics="true" pageId="2" pageNumber="43">Petals</emphasis>
|
||
elliptic-lanceolate, acute, 13 ×
|
||
<quantity id="5D6B80DBE37FFFFD21E87E551E22FEA4" box="[1203,1294,309,333]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="2" pageNumber="43" unit="mm" value="4.5">4.5 mm</quantity>
|
||
, decurved at tip, adnate in basal fifth with sepals.
|
||
<emphasis id="A8E7F12CE37FFFFD219C7E351FC0FE84" box="[1223,1260,341,365]" italics="true" pageId="2" pageNumber="43">Lip</emphasis>
|
||
narrowly clawed at base, obovate-spatulate, truncate, 5-6 ×
|
||
<quantity id="5D6B80DBE37FFFFD20517E151E49FE64" box="[1290,1381,373,397]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="8.0" metricValueMin="7.0" pageId="2" pageNumber="43" unit="mm" value="7.5" valueMax="8.0" valueMin="7.0">7-8 mm</quantity>
|
||
, the sides upcurved, bearing three patches on the apical lip lamina; callus at base shortly erect and bilobed at tip.
|
||
<emphasis id="A8E7F12CE37FFFFD20447ED61E59FE27" box="[1311,1397,438,462]" italics="true" pageId="2" pageNumber="43">Column</emphasis>
|
||
<quantity id="5D6B80DBE37FFFFD20277ED61EFEFE27" box="[1404,1490,438,462]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="2" pageNumber="43" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5-6 mm</quantity>
|
||
long, slender at base, with short recurved apical arms, triangular, broader than long and acute at the tips,
|
||
<quantity id="5D6B80DBE37FFFFD201B7E961EBFFDE7" box="[1344,1427,502,526]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="2" pageNumber="43" unit="mm" value="0.7">0.7 mm</quantity>
|
||
long.
|
||
<emphasis id="A8E7F12CE37FFFFD26137D76188DFDC7" box="[840,929,534,558]" italics="true" pageId="2" pageNumber="43">Capsule</emphasis>
|
||
unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD26357D5E1F57FD7E" pageId="2" pageNumber="43" type="etymology">
|
||
<paragraph id="9A2C2D3EE37FFFFD26357D5E1F57FD7E" blockId="2.[838,1490,574,1950]" pageId="2" pageNumber="43">
|
||
<emphasis id="A8E7F12CE37FFFFD26357D5E1F2EFDBF" box="[878,1026,574,598]" italics="true" pageId="2" pageNumber="43">Etymology. –</emphasis>
|
||
The specific epithet refers to the North (“Avaratra” in Malagasy) because the species occurs in the northern part of Madagascar.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD26367DC61EFEFCF6" pageId="2" pageNumber="43" type="distribution">
|
||
<paragraph id="9A2C2D3EE37FFFFD26367DC61EFEFCF6" blockId="2.[838,1490,574,1950]" pageId="2" pageNumber="43">
|
||
<emphasis id="A8E7F12CE37FFFFD26367DC618C3FD57" box="[877,1007,678,702]" italics="true" pageId="2" pageNumber="43">Distribution</emphasis>
|
||
. – The species is known from Toamasina and Antsiranana provinces in North-East Madagascar. Four populations each of between (4)-15-20 individuals were observed, with a total of about 65-75 individuals observed in all sites.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD26367C4C1E1BFB19" pageId="2" pageNumber="43" type="biology_ecology">
|
||
<paragraph id="9A2C2D3EE37FFFFD26367C4C1EFDFBEC" blockId="2.[838,1490,574,1950]" pageId="2" pageNumber="43">
|
||
<emphasis id="A8E7F12CE37FFFFD26367C4C1F67FCAD" box="[877,1099,812,836]" italics="true" pageId="2" pageNumber="43">Habitat and ecology</emphasis>
|
||
. –
|
||
<taxonomicName id="5D9356BDE37FFFFD21357C4C1E8CFCAD" box="[1134,1440,812,836]" class="Liliopsida" family="Orchidaceae" genus="Didymoplexis" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="avaratraensis">
|
||
<emphasis id="A8E7F12CE37FFFFD21357C4C1E8CFCAD" box="[1134,1440,812,836]" italics="true" pageId="2" pageNumber="43">Didymoplexis avaratraensis</emphasis>
|
||
</taxonomicName>
|
||
was recorded in evergreen forest on metamorphic rock; up to
|
||
<quantity id="5D6B80DBE37FFFFD261C7C0C18B8FC6D" box="[839,916,876,900]" metricMagnitude="2" metricUnit="m" metricValue="8.2" pageId="2" pageNumber="43" unit="m" value="820.0">820 m</quantity>
|
||
. This terrestrial herb occurs in forests with dense canopies reaching
|
||
<quantity id="5D6B80DBE37FFFFD21537CED1F56FC4C" box="[1032,1146,909,933]" metricMagnitude="1" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="2" pageNumber="43" unit="m" value="12.5" valueMax="15.0" valueMin="10.0">10 to 15 m</quantity>
|
||
, with emergent trees reaching
|
||
<quantity id="5D6B80DBE37FFFFD20EC7CED18B7FC2C" metricMagnitude="1" metricUnit="m" metricValue="1.9" metricValueMax="2.0" metricValueMin="1.8" pageId="2" pageNumber="43" unit="m" value="19.0" valueMax="20.0" valueMin="18.0">18 to 20 m</quantity>
|
||
, with two woody strata in the canopy at
|
||
<quantity id="5D6B80DBE37FFFFD20107CCD1E88FC2C" box="[1355,1444,941,965]" metricMagnitude="0" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="2" pageNumber="43" unit="m" value="4.5" valueMax="5.0" valueMin="4.0">4 to 5 m</quantity>
|
||
and at
|
||
<quantity id="5D6B80DBE37FFFFD263A7CAD18FCFC0C" box="[865,976,973,997]" metricMagnitude="0" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="2" pageNumber="43" unit="m" value="1.25" valueMax="1.5" valueMin="1.0">1 to 1.5 m</quantity>
|
||
high, and with an absent, sparse or very sparse ground flora, the soil densely covered with dry fallen leaves.
|
||
</paragraph>
|
||
<paragraph id="9A2C2D3EE37FFFFD26377B7218E7FB22" blockId="2.[838,1490,574,1950]" pageId="2" pageNumber="43">
|
||
The most frequent species recorded together with
|
||
<taxonomicName id="5D9356BDE37FFFFD20367B7218B4FBA3" class="Liliopsida" family="Orchidaceae" genus="Didymoplexis" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="avaratraensis">
|
||
<emphasis id="A8E7F12CE37FFFFD20367B7218B4FBA3" italics="true" pageId="2" pageNumber="43">D. avaratraensis</emphasis>
|
||
</taxonomicName>
|
||
(considering the Loky-Manambato population) in vegetation surveys include, in decreasing abundance:
|
||
<taxonomicName id="5D9356BDE37FFFFD20077B331EE0FB82" box="[1372,1484,1107,1131]" class="Magnoliopsida" family="Euphorbiaceae" genus="Croton" kingdom="Plantae" order="Malpighiales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="undetermined">
|
||
<emphasis id="A8E7F12CE37FFFFD20077B331E8AFB82" box="[1372,1446,1107,1131]" italics="true" pageId="2" pageNumber="43">Croton</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5D9356BDE37FFFFD261C7B131F0FFB62" authority="Mart." authorityName="Mart." box="[839,1059,1139,1163]" class="Liliopsida" family="Arecaceae" genus="Dypsis" kingdom="Plantae" order="Arecales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="nodifera">
|
||
<emphasis id="A8E7F12CE37FFFFD261C7B1318C8FB62" box="[839,996,1139,1163]" italics="true" pageId="2" pageNumber="43">Dypsis nodifera</emphasis>
|
||
Mart.
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5D9356BDE37FFFFD21777B131EE2FB62" authority="Jum. & H. Perrier" authorityName="Jum. & H. Perrier" box="[1068,1486,1139,1163]" class="Liliopsida" family="Arecaceae" genus="Ravenea" kingdom="Plantae" order="Arecales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="sambiranensis">
|
||
<emphasis id="A8E7F12CE37FFFFD21777B131E34FB62" box="[1068,1304,1139,1163]" italics="true" pageId="2" pageNumber="43">Ravenea sambiranensis</emphasis>
|
||
Jum. & H. Perrier
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5D9356BDE37FFFFD261C7BF31E8AFB42" authority="(Becc.) Beentje & J. Dransf." authorityName="Beentje & J. Dransf." baseAuthorityName="Becc." box="[839,1446,1171,1195]" class="Liliopsida" family="Arecaceae" genus="Dypsis" kingdom="Plantae" order="Arecales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="madagascariensis">
|
||
<emphasis id="A8E7F12CE37FFFFD261C7BF318A2FB42" box="[839,910,1171,1195]" italics="true" pageId="2" pageNumber="43">Dypsis</emphasis>
|
||
aff.
|
||
<emphasis id="A8E7F12CE37FFFFD26E57BF31F56FB42" box="[958,1146,1171,1195]" italics="true" pageId="2" pageNumber="43">madagascariensis</emphasis>
|
||
(Becc.) Beentje & J. Dransf.
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="5D9356BDE37FFFFD261C7BD318E7FB22" box="[839,971,1203,1227]" class="Magnoliopsida" family="Oleaceae" genus="Noronhia" kingdom="Plantae" order="Lamiales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="undetermined">
|
||
<emphasis id="A8E7F12CE37FFFFD261C7BD31880FB22" box="[839,940,1203,1227]" italics="true" pageId="2" pageNumber="43">Noronhia</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
</paragraph>
|
||
<paragraph id="9A2C2D3EE37FFFFD26367BB81E1BFB19" blockId="2.[838,1490,574,1950]" box="[877,1335,1240,1264]" pageId="2" pageNumber="43">
|
||
<emphasis id="A8E7F12CE37FFFFD26367BB81F07FB19" box="[877,1067,1240,1264]" italics="true" pageId="2" pageNumber="43">Flowering time. –</emphasis>
|
||
November to December.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD26367B9D1FEEF9DE" pageId="2" pageNumber="43" type="conservation">
|
||
<paragraph id="9A2C2D3EE37FFFFD26367B9D1FEEF9DE" blockId="2.[838,1490,574,1950]" pageId="2" pageNumber="43">
|
||
<emphasis id="A8E7F12CE37FFFFD26367B9D1F6FFAFC" box="[877,1091,1277,1301]" italics="true" pageId="2" pageNumber="43">Conservation Status.</emphasis>
|
||
– With an extent of occurrence (EOO) of
|
||
<quantity id="5D6B80DBE37FFFFD263F7A7D18E6FADC" box="[868,970,1309,1333]" metricMagnitude="6" metricUnit="m" metricValue="2.022" pageId="2" pageNumber="43" unit="km" value="2022.0">2,022 km</quantity>
|
||
<superScript id="6DE68076E37FFFFD26917A7C18FEFAC3" attach="left" box="[970,978,1308,1322]" fontSize="6" pageId="2" pageNumber="43">2</superScript>
|
||
and area of occupancy (AOO) of
|
||
<quantity id="5D6B80DBE37FFFFD20187A7D1EB8FADC" box="[1347,1428,1309,1333]" metricMagnitude="5" metricUnit="m" metricValue="3.0" pageId="2" pageNumber="43" unit="km" value="300.0">300 km</quantity>
|
||
<superScript id="6DE68076E37FFFFD20CE7A7C1EB1FAC3" attach="right" box="[1429,1437,1308,1322]" fontSize="6" pageId="2" pageNumber="43">2</superScript>
|
||
, and only one subpopulation collected and three subpopulations observed, all four in protected areas (Station Forestière à Usage Multiple de Loky-Manambato, Marojejy National Park and Mananara Nord National Park),
|
||
<emphasis id="A8E7F12CE37FFFFD21FC7AFE1EE0FA5F" box="[1191,1484,1438,1462]" italics="true" pageId="2" pageNumber="43">Didymoplexisavaratraensis</emphasis>
|
||
is assigned a preliminary status of “Vulnerable” (VU D2) following the IUCN Red List Categories and Criteria (
|
||
<bibRefCitation id="FE0250CFE37FFFFD20DC7ABF18A8F9FE" author="IUCN" bookContentInfo="32 pp." firstAuthor="IUCN" journalOrPublisher="Gland, Switzerland and Cambridge, UK: IUCN" pageId="2" pageNumber="43" refId="ref4844" refString="IUCN (2012). IUCN Red List Categories and Criteria: Version 3.1. Second edition. (Gland, Switzerland and Cambridge, UK: IUCN. Iv + 32 pp." title="IUCN Red List Categories and Criteria: Version 3.1. Second edition" type="book" year="2012">IUCN, 2012</bibRefCitation>
|
||
; calculation following
|
||
<bibRefCitation id="FE0250CFE37FFFFD21DA7A9F1E8FF9FE" author="CALLMANDER, M. W. & G. E. SCHATZ & P. P. LOWRY II & M. O. LAIVAO & J. RAHARIMAMPIONONA & S. ANDRIAMBOLOLONERA & T. RAMINOSOA & T. CONSIGLIO" box="[1153,1443,1535,1559]" etAl="& al." firstAuthor="CALLMANDER" journalOrPublisher="Oryx" pageId="2" pageNumber="43" pagination="168 - 176" part="42" refId="ref4532" refString="CALLMANDER, M. W., G. E. SCHATZ, P. P. LOWRY II, M. O. LAIVAO, J. RAHARIMAMPIONONA, S. ANDRIAMBOLOLONERA, T. RAMINOSOA & T. CONSIGLIO (2007). Application of IUCN Red List criteria and assessment of Priority Areas for plant conservation in Madagascar: rare and threatened Pandanaceae indicate new sites in need of protection. Oryx 42: 168 - 176." title="Application of IUCN Red List criteria and assessment of Priority Areas for plant conservation in Madagascar: rare and threatened Pandanaceae indicate new sites in need of protection" type="journal article" year="2007">CALLMANDER & al. (2007)</bibRefCitation>
|
||
and performed with
|
||
<bibRefCitation id="FE0250CFE37FFFFD26A8797F1F53F9DE" author="MOAT, J." box="[1011,1151,1567,1591]" firstAuthor="MOAT" journalOrPublisher="Royal Botanic Gardens, Kew" pageId="2" pageNumber="43" publicationUrl="www.kew.org/gis/projects/cats" refId="ref4878" refString="MOAT, J. (2012). Conservation Assessment Tools Extension for ArcView 3. x, Version 1.0. GIS Unit. Royal Botanic Gardens, Kew [www. kew. org / gis / projects / cats]." title="Conservation Assessment Tools Extension for ArcView 3. x, Version 1.0. GIS Unit" type="url" year="2012">MOAT (2012)</bibRefCitation>
|
||
tools.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2897EB5E37FFFFD2636792418F4F877" pageId="2" pageNumber="43" type="discussion">
|
||
<paragraph id="9A2C2D3EE37FFFFD2636792418F4F877" blockId="2.[838,1490,574,1950]" pageId="2" pageNumber="43">
|
||
<emphasis id="A8E7F12CE37FFFFD263679241E3CF9B5" box="[877,1296,1604,1628]" italics="true" pageId="2" pageNumber="43">
|
||
Notes. –
|
||
<taxonomicName id="5D9356BDE37FFFFD268F79241E3CF9B5" box="[980,1296,1604,1628]" class="Liliopsida" family="Orchidaceae" genus="Didymoplexis" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="species" species="avaratraensis">Didymoplexis avaratraensis</taxonomicName>
|
||
</emphasis>
|
||
is clearly distinguished from the other African and Malagasy species of
|
||
<taxonomicName id="5D9356BDE37FFFFD20CE7904188FF974" class="Liliopsida" family="Orchidaceae" genus="Didymoplexis" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="43" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="A8E7F12CE37FFFFD20CE7904188FF974" italics="true" pageId="2" pageNumber="43">Didymoplexis</emphasis>
|
||
</taxonomicName>
|
||
known with flowers (
|
||
<bibRefCitation id="FE0250CFE37FFFFD21D879E51E2BF974" author="CRIBB, P. J." box="[1155,1287,1669,1693]" editor="POLHILL, R. M." firstAuthor="CRIBB" journalOrPublisher="Balkema, Rotterdam" pageId="2" pageNumber="43" pagination="11" part="11" refId="ref4633" refString="CRIBB, P. J. (1984). Orchidaceae. 2. In: POLHILL, R. M. (ed.), Fl. Trop. E. Africa 11. Balkema, Rotterdam." title="Orchidaceae. 2" type="book chapter" volumeTitle="Fl. Trop. E. Africa" year="1984">CRIBB, 1984</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="FE0250CFE37FFFFD204979E51EE6F974" author="CRIBB, P. J. & L. GAUTIER & S. TRIGUI & L. NUSBAUMER" box="[1298,1482,1669,1693]" etAl="& al." firstAuthor="CRIBB" journalOrPublisher="Candollea" pageId="2" pageNumber="43" pagination="413 - 416" part="66" refId="ref4701" refString="CRIBB, P. J., L. GAUTIER, S. TRIGUI & L. NUSBAUMER (2011). Two new records of Orchidaceae from Madagascar, with an updated list of species shared with continental Africa. Candollea 66: 413 - 416." title="Two new records of Orchidaceae from Madagascar, with an updated list of species shared with continental Africa" type="journal article" year="2011">CRIBB & al., 2011</bibRefCitation>
|
||
) by its 2 lateral sepals fused to the mid-point while the remaining two petals and sepal are adnate together in the basal fifth, as well as by its column which has short recurved apical arms that are acute at the tips, and by its lip lacking rows of warts but with a bilobed callus at the apex. One observation of predation of flowering plants by some kind of invertebrate in one population is also interesting to note (Mark Clements,
|
||
<emphasis id="A8E7F12CE37FFFFD261D78E618E5F877" box="[838,969,1926,1950]" italics="true" pageId="2" pageNumber="43">pers. comm.</emphasis>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |