388 lines
34 KiB
XML
388 lines
34 KiB
XML
<document ID-DOI="http://doi.org/10.5281/zenodo.4598751" ID-GBIF-Dataset="2ca41b6f-e201-4093-9c51-f79abb72b834" ID-GBIF-Taxon="182216034" ID-ISSN="1639-4798" ID-Zenodo-Dep="4598751" checkinTime="1615486294010" checkinUser="carolina" docAuthor="Meve, Ulrich, Gâteblé, Gildas & Liede-Schumann, Sigrid" docDate="2017" docId="03A287B7FFBDFFDC768EFF2FFEA8FDD9" docLanguage="en" docName="Adansonia.39.1.55-70.pdf" docOrigin="Adansonia 39 (1)" docStyle="DocumentStyle:E7A860AFEA63D44BCC37955D07FCAFC7.3:Adansonia.2015-2017.journal_article" docStyleId="E7A860AFEA63D44BCC37955D07FCAFC7" docStyleName="Adansonia.2015-2017.journal_article" docStyleVersion="3" docTitle="Marsdenia weberlingiana Liede 2017, sp. nov." docType="treatment" docVersion="1" lastPageId="14" lastPageNumber="68" masterDocId="FF9BFFCFFFB0FFD27666FFF8FFEFFFE8" masterDocTitle="Taxonomic novelties in Apocynaceae subfam. Asclepiadoideae from New Caledonia" masterLastPageNumber="70" masterPageNumber="55" pageId="13" pageNumber="68" updateTime="1648149925785" updateUser="jonas" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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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>Taxonomic novelties in Apocynaceae subfam. Asclepiadoideae from New Caledonia</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>Meve, Ulrich</mods:namePart>
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<mods:affiliation>Department of Plant Systematics, University of Bayreuth DE- 95448 Bayreuth (Germany)</mods:affiliation>
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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>Gâteblé, Gildas</mods:namePart>
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<mods:affiliation>Institut agronomique néo-calédonien, Station de Recherche agronomique de Saint-Louis, boîte postale 711, F- 98810 Mont-Dore (New Caledonia)</mods:affiliation>
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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>Liede-Schumann, Sigrid</mods:namePart>
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<mods:affiliation>Department of Plant Systematics, University of Bayreuth DE- 95448 Bayreuth (Germany)</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>Adansonia</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>2017-06-30</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>39</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>55</mods:start>
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<mods:end>70</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:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.5252/a2017n1a5</mods:identifier>
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<mods:identifier type="GBIF-Dataset">2ca41b6f-e201-4093-9c51-f79abb72b834</mods:identifier>
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<mods:identifier type="ISSN">1639-4798</mods:identifier>
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<mods:identifier type="Zenodo-Dep">4599043</mods:identifier>
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||
</mods:mods>
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||
<treatment ID-DOI="http://doi.org/10.5281/zenodo.4598751" ID-GBIF-Taxon="182216034" ID-Zenodo-Dep="4598751" LSID="urn:lsid:plazi:treatment:03A287B7FFBDFFDC768EFF2FFEA8FDD9" httpUri="http://treatment.plazi.org/id/03A287B7FFBDFFDC768EFF2FFEA8FDD9" lastPageId="14" lastPageNumber="68" pageId="13" pageNumber="68">
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<subSubSection box="[232,675,215,242]" pageId="13" pageNumber="68" type="nomenclature">
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<paragraph blockId="13.[232,675,215,274]" box="[232,675,215,242]" pageId="13" pageNumber="68">
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<heading box="[232,675,215,242]" centered="true" fontSize="11" level="2" pageId="13" pageNumber="68" reason="3">
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<taxonomicName authority="Liede" authorityName="Liede" authorityYear="2017" box="[232,579,215,242]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="species" species="weberlingiana" status="sp. nov.">
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<emphasis bold="true" box="[232,510,215,242]" italics="true" pageId="13" pageNumber="68">Marsdenia weberlingiana</emphasis>
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Liede
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</taxonomicName>
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,
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<taxonomicNameLabel box="[590,675,216,242]" pageId="13" pageNumber="68" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection box="[413,494,247,274]" pageId="13" pageNumber="68" type="description">
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||
<paragraph blockId="13.[232,675,215,274]" box="[413,494,247,274]" pageId="13" pageNumber="68">
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(
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<figureCitation box="[422,485,247,274]" captionStart="FIG" captionStartId="12.[132,143,1985,2003]" captionTargetBox="[184,1411,214,1888]" captionTargetId="figure-22@12.[162,1426,205,1906]" captionTargetPageId="12" captionText="FIG. 7. ─ Marsdenia weberlingiana Liede, sp. nov.: A, branch with inflorescences; B, flower, top view; C, flower, side view, corolla partially removed; D, gynostegium; E, pollinarium; F, style-head. Drawings: U. Frensch from M. MacKee 26650 (P). Scale bars: A, 2 cm; B, 3 mm; C, 2 mm; D, 1 mm; E, 0.5 mm; F, 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.4599059" httpUri="https://zenodo.org/record/4599059/files/figure.png" pageId="13" pageNumber="68">Fig. 7</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="68" type="diagnosis">
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<paragraph blockId="13.[131,777,304,1312]" pageId="13" pageNumber="68">
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<emphasis italics="true" pageId="13" pageNumber="68">A twining herb with ovate, coriacous and discolorous leaves indistinguishable from</emphasis>
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<taxonomicName box="[280,407,330,354]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="species" species="nigriflora">M. nigriflora</taxonomicName>
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<emphasis italics="true" pageId="13" pageNumber="68">by vegetative characters, but otherwise unique within New Caledonian</emphasis>
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<taxonomicName box="[443,547,357,381]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="genus">Marsdenia</taxonomicName>
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<emphasis italics="true" pageId="13" pageNumber="68">
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species because of its radiate flowers of around
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<quantity box="[351,420,384,408]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="13" pageNumber="68" unit="mm" value="12.0">12 mm</quantity>
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diam. with adaxially glabrous corolla lobes, bipartite staminal corona lobes differentiated into a swollen, transversally ovate base and a lingulate apical part. The style-head is subconical and slightly papillate, and thus very similar to the one of
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</emphasis>
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<taxonomicName box="[133,259,489,513]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="species" species="nigriflora">M. nigriflora</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="68" type="materials_examined">
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<paragraph blockId="13.[131,777,304,1312]" pageId="13" pageNumber="68">
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<materialsCitation ID-GBIF-Occurrence="3113722352" collectingDate="1973-04-29" collectionCode="P" collectorName="H. S. MacKee" country="New Caledonia" elevation="50" location="Ho" pageId="13" pageNumber="68" specimenCode="P00607351" specimenCount="1" stateProvince="Grande-Terre" typeStatus="holotype">
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TYPUS. —
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<emphasis bold="true" box="[251,419,537,562]" pageId="13" pageNumber="68">
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<collectingCountry box="[251,419,537,562]" pageId="13" pageNumber="68">New Caledonia</collectingCountry>
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</emphasis>
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.
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<collectingRegion box="[436,582,537,561]" pageId="13" pageNumber="68">Grande-Terre</collectingRegion>
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, North Prov.,
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<location LSID="urn:lsid:plazi:treatment:03A287B7FFBDFFDC768EFF2FFEA8FDD9:8ED4607AFFBDFFDF7483FDE1FCE9FDD9" box="[741,774,537,561]" country="New Caledonia" name="Ho" pageId="13" pageNumber="68" stateProvince="Grande-Terre">Hô</location>
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(
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<location LSID="urn:lsid:plazi:treatment:03A287B7FFBDFFDC768EFF2FFEA8FDD9:8ED4607AFFBDFFDF76EDFDCBFF00FDA3" box="[139,239,563,587]" country="New Caledonia" name="Houailou" pageId="13" pageNumber="68" stateProvince="Grande-Terre">Houaïlou</location>
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), reste de forêt sur terrain serpentineux altéré,
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<quantity box="[714,770,563,587]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="13" pageNumber="68" unit="m" value="50.0">
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||
<elevation box="[714,770,563,587]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="13" pageNumber="68" unit="m" value="50.0">50 m</elevation>
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||
</quantity>
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||
,
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<date box="[134,254,590,614]" pageId="13" pageNumber="68" value="1973-04-29">
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<collectingDate box="[134,254,590,614]" pageId="13" pageNumber="68" value="1973-04-29">29.IV.1973</collectingDate>
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</date>
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,
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<collectorName box="[266,391,590,613]" pageId="13" pageNumber="68">
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<emphasis box="[266,307,590,613]" italics="true" pageId="13" pageNumber="68">H.S.</emphasis>
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<emphasis box="[306,466,590,614]" italics="true" pageId="13" pageNumber="68">MacKee 26650</emphasis>
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</collectorName>
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(
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<typeStatus box="[483,542,590,614]" pageId="13" pageNumber="68">holo-</typeStatus>
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,
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<collectionCode box="[555,571,590,613]" pageId="13" pageNumber="68">P</collectionCode>
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[
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<specimenCode box="[579,700,590,614]" pageId="13" pageNumber="68">P00607351</specimenCode>
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]!
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</materialsCitation>
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||
;
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<materialsCitation ID-GBIF-Occurrence="3113722352" collectingDate="1973-04-29" collectionCode="P" collectorName="H. S. MacKee" country="New Caledonia" elevation="50" location="Ho" pageId="13" pageNumber="68" specimenCode="P00607352" specimenCount="1" stateProvince="Grande-Terre" typeStatus="isotype">
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<typeStatus box="[731,771,590,614]" pageId="13" pageNumber="68">iso-</typeStatus>
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,
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||
<collectionCode box="[134,148,617,640]" pageId="13" pageNumber="68">P</collectionCode>
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||
[
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<specimenCode box="[155,271,616,640]" pageId="13" pageNumber="68">P00607352</specimenCode>
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||
]!)
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</materialsCitation>
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||
.
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||
</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="68" type="etymology">
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<paragraph blockId="13.[131,777,304,1312]" pageId="13" pageNumber="68">
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ETYMOLOGY. — Named after the late Prof. Focko Weberling (University of Ulm, Germany), well-known morphologist and inflorescence specialist. Weberling, highly respected teacher and mentor of S. Liede-Schumann, would have celebrated his 90th birthday in
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<date box="[249,375,770,794]" pageId="13" pageNumber="68" value="2016-03">March 2016</date>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="68" type="distribution">
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||
<paragraph blockId="13.[131,777,304,1312]" pageId="13" pageNumber="68">
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||
DISTRIBUTION AND HABITAT. —
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<emphasis bold="true" box="[462,620,817,843]" pageId="13" pageNumber="68">New Caledonia</emphasis>
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. Grande-Terre, North Prov. Known only from the type collection (
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<figureCitation box="[620,675,844,868]" captionStart="FIG" captionStartId="4.[466,477,1097,1115]" captionTargetBox="[131,1457,213,1057]" captionTargetId="figure-337@4.[698,1267,213,787]" captionTargetPageId="4" captionText="FIG. 3. ─ Distribution of the five new Neo-Caledonian Marsdenia R.Br. species." figureDoi="http://doi.org/10.5281/zenodo.4599049" httpUri="https://zenodo.org/record/4599049/files/figure.png" pageId="13" pageNumber="68">Fig. 3</figureCitation>
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). Margins of disturbed rainforest on serpentine;
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<quantity box="[504,559,870,894]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="13" pageNumber="68" unit="m" value="50.0">
|
||
<elevation box="[504,559,870,894]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="13" pageNumber="68" unit="m" value="50.0">50 m</elevation>
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</quantity>
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||
.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="68" type="conservation">
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<paragraph blockId="13.[131,777,304,1312]" pageId="13" pageNumber="68">
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CONSERVATION STATUS. — So far, the only known locality of this new species is at Hô, just north of Houaïlou. The col de Hô region and the Cap Bocage peninsula are renowned for several rare species despite a general lack of botanical knowledge for the area. As a whole this region could be considered as an “ultramafic island”. Most of the area is under nickel mining concession and the Cap Bocage peninsula is under active mining. The other main threat in this region are the severe bush fires that frequently occur. The North Province “Nature Guard” Philippe Nekotrotro has recently surveyed the type locality for this species without success. Considering that the remnants of rainforest pockets in the area are under fire and mining pressure,
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<taxonomicName authority="Liede" authorityName="Liede" authorityYear="2017" box="[340,571,1209,1233]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="species" species="weberlingiana" status="sp. nov.">
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<emphasis box="[340,507,1209,1233]" italics="true" pageId="13" pageNumber="68">M. weberlingiana</emphasis>
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Liede
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</taxonomicName>
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,
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<taxonomicNameLabel box="[580,654,1209,1232]" pageId="13" pageNumber="68" rank="species">sp. nov.</taxonomicNameLabel>
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is assigned a preliminary IUCN conservation status of “Critically endangered” [CR B1ab(i,ii,iii,v)+2ab(i,ii,iii,v)] using Red List criteria (
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<bibRefCitation author="IUCN" firstAuthor="IUCN" pageId="13" pageNumber="68" refId="ref10534" refString="IUCN 2012. - IUCN Red List Categories and Criteria: Version 3.1 Second edition. IUCN Species Survival Commission, IUCN, Gland, Switzerland and Cambridge." type="book" year="2012">IUCN, 2012</bibRefCitation>
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) if not Extinct.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="13" pageNumber="68" type="description">
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<paragraph blockId="13.[132,352,1364,1453]" box="[132,279,1364,1390]" pageId="13" pageNumber="68">DESCRIPTION</paragraph>
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<paragraph blockId="13.[132,352,1364,1453]" box="[132,196,1395,1421]" pageId="13" pageNumber="68">
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<emphasis box="[132,196,1395,1421]" italics="true" pageId="13" pageNumber="68">Plants</emphasis>
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</paragraph>
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<paragraph blockId="13.[132,352,1364,1453]" box="[132,352,1427,1453]" pageId="13" pageNumber="68">Ascending, twining.</paragraph>
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<paragraph blockId="13.[132,774,1491,1613]" box="[132,197,1491,1517]" pageId="13" pageNumber="68">
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<emphasis box="[132,197,1491,1517]" italics="true" pageId="13" pageNumber="68">Shoots</emphasis>
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</paragraph>
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<paragraph blockId="13.[132,774,1491,1613]" pageId="13" pageNumber="68">
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Perennial, herbaceous, glabrescent, sparsely covered with appressed trichomes,
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<quantity box="[344,484,1554,1581]" metricMagnitude="-1" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="13" pageNumber="68" unit="mm" value="275.0" valueMax="300.0" valueMin="250.0">250-300 µm</quantity>
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long; internodes
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||
<quantity box="[681,774,1554,1581]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" metricValueMax="10.0" metricValueMin="6.0" pageId="13" pageNumber="68" unit="cm" value="8.0" valueMax="10.0" valueMin="6.0">6-10 cm</quantity>
|
||
long,
|
||
<quantity box="[197,307,1586,1613]" metricMagnitude="-3" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="13" pageNumber="68" unit="mm" value="2.25" valueMax="2.5" valueMin="2.0">2-2.5 mm</quantity>
|
||
diam.
|
||
</paragraph>
|
||
<paragraph blockId="13.[131,776,1651,1836]" box="[132,190,1651,1676]" pageId="13" pageNumber="68">
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||
<emphasis box="[132,190,1651,1676]" italics="true" pageId="13" pageNumber="68">Latex</emphasis>
|
||
</paragraph>
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||
<paragraph blockId="13.[131,776,1651,1836]" pageId="13" pageNumber="68">
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||
Colorless
|
||
<emphasis box="[238,441,1682,1708]" italics="true" pageId="13" pageNumber="68">fide MacKee 26650</emphasis>
|
||
.
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||
<emphasis box="[453,520,1683,1708]" italics="true" pageId="13" pageNumber="68">Leaves</emphasis>
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with petiole
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||
<quantity box="[660,775,1682,1709]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="13" pageNumber="68" unit="mm" value="12.5" valueMax="15.0" valueMin="10.0">10-15 mm</quantity>
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||
long, leaf blades coriaceous, with 2-4 colleters at the base, 70-100 ×
|
||
<quantity box="[251,379,1746,1773]" metricMagnitude="-2" metricUnit="m" metricValue="3.75" metricValueMax="4.5" metricValueMin="3.0" pageId="13" pageNumber="68" unit="mm" value="37.5" valueMax="45.0" valueMin="30.0">30-45 mm</quantity>
|
||
, elliptic, basally rounded, apically acuminate with acumen
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||
<quantity box="[413,506,1778,1804]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="7.0" metricValueMin="4.0" pageId="13" pageNumber="68" unit="mm" value="5.5" valueMax="7.0" valueMin="4.0">4-7 mm</quantity>
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||
long, discolourous, glabrous on both sides.
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||
</paragraph>
|
||
<paragraph blockId="13.[130,775,1873,2028]" box="[132,267,1873,1899]" pageId="13" pageNumber="68">
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||
<emphasis box="[132,267,1873,1899]" italics="true" pageId="13" pageNumber="68">Inflorescences</emphasis>
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||
</paragraph>
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<paragraph blockId="13.[130,775,1873,2028]" pageId="13" pageNumber="68">
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Always one per node, extra-axillary, 5-12 -flowered, all flowers open synchronously, sciadioidal. Peduncles
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||
<quantity box="[597,712,1937,1964]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.5" metricValueMin="1.2" pageId="13" pageNumber="68" unit="mm" value="13.5" valueMax="15.0" valueMin="12.0">12-15 mm</quantity>
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long, sparsely covered over the whole surface with appressed,
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||
<quantity metricMagnitude="-1" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="13" pageNumber="68" unit="mm" value="275.0" valueMax="300.0" valueMin="250.0">250- 300 µm</quantity>
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long trichomes.
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||
</paragraph>
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||
<paragraph blockId="13.[811,1456,215,369]" box="[813,890,215,241]" pageId="13" pageNumber="68">
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||
<emphasis box="[813,890,215,241]" italics="true" pageId="13" pageNumber="68">Flowers</emphasis>
|
||
</paragraph>
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||
<paragraph blockId="13.[811,1456,215,369]" pageId="13" pageNumber="68">
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With floral bracts
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||
<quantity box="[1002,1065,247,274]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="68" unit="mm" value="1.0">1 mm</quantity>
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||
long,
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||
<quantity box="[1128,1212,247,274]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="13" pageNumber="68" unit="mm" value="0.6">0.6 mm</quantity>
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||
wide at the base, ovate, with scattered trichomes. Pedicels
|
||
<quantity box="[1183,1300,279,306]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="13" pageNumber="68" unit="mm" value="12.5" valueMax="15.0" valueMin="10.0">10-15 mm</quantity>
|
||
long, sparsely covered over the whole surface with appressed trichomes,
|
||
<quantity metricMagnitude="-1" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="13" pageNumber="68" unit="mm" value="175.0" valueMax="200.0" valueMin="150.0">150- 200 µm</quantity>
|
||
long. Flower buds 7
|
||
<emphasis box="[1127,1143,344,369]" italics="true" pageId="13" pageNumber="68">×</emphasis>
|
||
<quantity box="[1149,1214,343,369]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="13" pageNumber="68" unit="mm" value="4.0">4 mm</quantity>
|
||
when mature, ovoid.
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,1456,406,497]" box="[813,872,406,432]" pageId="13" pageNumber="68">
|
||
<emphasis box="[813,872,406,432]" italics="true" pageId="13" pageNumber="68">Calyx</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,1456,406,497]" pageId="13" pageNumber="68">
|
||
Fused for almost half of its length, campanulate, ciliate; lobes 2.5
|
||
<emphasis box="[855,871,471,496]" italics="true" pageId="13" pageNumber="68">×</emphasis>
|
||
<quantity box="[877,966,470,497]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="13" pageNumber="68" unit="mm" value="1.5">1.5 mm</quantity>
|
||
, ovate, apically obtuse.
|
||
</paragraph>
|
||
<paragraph blockId="13.[812,1455,534,656]" box="[813,889,534,560]" pageId="13" pageNumber="68">
|
||
<emphasis box="[813,889,534,560]" italics="true" pageId="13" pageNumber="68">Corolla</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[812,1455,534,656]" pageId="13" pageNumber="68">
|
||
Rotate,
|
||
<quantity box="[897,962,566,593]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="13" pageNumber="68" unit="mm" value="6.0">6 mm</quantity>
|
||
long, abaxially green, adaxially brown to purple; lobes basally fused,
|
||
<quantity box="[1069,1178,598,625]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="13" pageNumber="68" unit="mm" value="2.75" valueMax="3.0" valueMin="2.5">2.5-3 mm</quantity>
|
||
wide, horizontal, oblong, apically obtuse, marginally ciliate.
|
||
</paragraph>
|
||
<paragraph blockId="13.[813,1458,693,816]" box="[813,1225,693,720]" pageId="13" pageNumber="68">
|
||
<emphasis box="[813,1225,693,720]" italics="true" pageId="13" pageNumber="68">Gynostegial corona of free staminal lobes</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[813,1458,693,816]" pageId="13" pageNumber="68">
|
||
Purplish-red, glabrous,
|
||
<quantity box="[1077,1213,725,752]" metricMagnitude="-3" metricUnit="m" metricValue="1.45" metricValueMax="1.5" metricValueMin="1.4" pageId="13" pageNumber="68" unit="mm" value="1.45" valueMax="1.5" valueMin="1.4">1.4-1.5 mm</quantity>
|
||
long, equalling to or longer than the gynostegium; lobes solid, massive, basally oblongoid, apically subulate, extended into a long, slender tip.
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,1458,853,1103]" box="[811,944,853,879]" pageId="13" pageNumber="68">
|
||
<emphasis box="[811,944,853,879]" italics="true" pageId="13" pageNumber="68">Gynostegium</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,1458,853,1103]" pageId="13" pageNumber="68">
|
||
<emphasis box="[813,830,886,911]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
<quantity box="[839,929,885,912]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="13" pageNumber="68" unit="mm" value="1.5">1.5 mm</quantity>
|
||
long,
|
||
<quantity box="[1004,1094,885,911]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="13" pageNumber="68" unit="mm" value="0.7">0.7 mm</quantity>
|
||
diam., sessile. Stamens without filament; anthers broader than long, trapezoidal, abaxially planar; anther wings
|
||
<quantity box="[1034,1116,948,975]" metricMagnitude="-1" metricUnit="m" metricValue="4.5" pageId="13" pageNumber="68" unit="mm" value="450.0">450 µm</quantity>
|
||
long, extending along the whole length of the anther, consisting of distal ridge alone; anther wings of adjacent anthers parallel to each other, in the same plane as the anther; connective appendages
|
||
<emphasis box="[1272,1289,1045,1070]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
700
|
||
<emphasis box="[1343,1359,1045,1070]" italics="true" pageId="13" pageNumber="68">×</emphasis>
|
||
<quantity box="[1363,1449,1044,1071]" metricMagnitude="-1" metricUnit="m" metricValue="7.0" pageId="13" pageNumber="68" unit="mm" value="700.0">700 µm</quantity>
|
||
, triangular, equalling the stamen in width, strongly inflexed.
|
||
</paragraph>
|
||
<paragraph blockId="13.[810,1457,1140,1358]" box="[813,938,1140,1166]" pageId="13" pageNumber="68">
|
||
<emphasis box="[813,938,1140,1166]" italics="true" pageId="13" pageNumber="68">Pollinarium</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[810,1457,1140,1358]" pageId="13" pageNumber="68">
|
||
Corpusculum
|
||
<emphasis box="[960,976,1173,1198]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
<quantity box="[980,1060,1172,1199]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="13" pageNumber="68" unit="mm" value="500.0">500 µm</quantity>
|
||
long, more than twice as long as broad, elliptic, margins of the corpuscular cleft parallel; caudicles
|
||
<emphasis box="[814,831,1236,1261]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
<quantity box="[838,925,1235,1262]" metricMagnitude="-1" metricUnit="m" metricValue="6.25" pageId="13" pageNumber="68" unit="mm" value="625.0">625 µm</quantity>
|
||
long, (sub-)basally inserted at the corpusculum, cylindrical, s-shaped, convex-concave, not thickened at the insertion of the pollinium; pollinia apically attached to the caudicles, erect,
|
||
<emphasis box="[977,994,1332,1357]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
450
|
||
<emphasis box="[1046,1062,1332,1357]" italics="true" pageId="13" pageNumber="68">×</emphasis>
|
||
<quantity box="[1064,1148,1331,1358]" metricMagnitude="-1" metricUnit="m" metricValue="2.0" pageId="13" pageNumber="68" unit="mm" value="200.0">200 µm</quantity>
|
||
, ovate in cross-section, ovoid.
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,1456,1395,1486]" box="[811,916,1395,1421]" pageId="13" pageNumber="68">
|
||
<emphasis box="[811,916,1395,1421]" italics="true" pageId="13" pageNumber="68">Style-head</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,1456,1395,1486]" pageId="13" pageNumber="68">
|
||
Slightly papillose,
|
||
<emphasis box="[1005,1022,1428,1453]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
<quantity box="[1029,1113,1427,1454]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="13" pageNumber="68" unit="mm" value="0.5">0.5 mm</quantity>
|
||
long,
|
||
<emphasis box="[1177,1194,1428,1453]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
<quantity box="[1200,1264,1427,1454]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="68" unit="mm" value="1.0">1 mm</quantity>
|
||
diam.; upper part
|
||
<emphasis box="[811,828,1460,1485]" italics="true" pageId="13" pageNumber="68">c.</emphasis>
|
||
<quantity box="[834,932,1459,1486]" metricMagnitude="-4" metricUnit="m" metricValue="2.5" pageId="13" pageNumber="68" unit="mm" value="0.25">0.25 mm</quantity>
|
||
long, equalling the lower part, depressed-conical.
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,973,1523,1580]" box="[811,973,1523,1549]" pageId="13" pageNumber="68">
|
||
<emphasis box="[811,973,1523,1549]" italics="true" pageId="13" pageNumber="68">Fruits and seeds</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="13.[811,973,1523,1580]" box="[813,930,1554,1580]" pageId="13" pageNumber="68">Unknown.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="14" lastPageNumber="69" pageId="13" pageNumber="68" type="discussion">
|
||
<paragraph blockId="13.[811,1457,1619,2028]" box="[813,913,1619,1645]" pageId="13" pageNumber="68">REMARKS</paragraph>
|
||
<paragraph blockId="13.[811,1457,1619,2028]" lastBlockId="14.[130,777,215,561]" lastPageId="14" lastPageNumber="69" pageId="13" pageNumber="68">
|
||
The generic placement of this new species left some questions due to its unusual character combination. Unfortunately, the condition of the herbarium specimens was not sufficient to extract DNA for molecular analysis, so that the relationships could not be tested molecularly. Originally thought to belong to
|
||
<taxonomicName authority="R. Br." authorityName="R. Br." box="[844,1020,1810,1836]" class="Magnoliopsida" family="Apocynaceae" genus="Sarcolobus" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="genus">
|
||
<emphasis box="[844,954,1810,1836]" italics="true" pageId="13" pageNumber="68">Sarcolobus</emphasis>
|
||
R.Br.
|
||
</taxonomicName>
|
||
(cf. labels on type specimens), because of geniculate caudicles and a papillate style-head surface (cf.
|
||
<bibRefCitation author="Forster" box="[811,951,1874,1900]" firstAuthor="Forster" pageId="13" pageNumber="68" pagination="335 - 360" refId="ref10365" refString="FORSTER P. I. 1991. - A taxonomic revision of Sarcolobus R. Br. (Asclepiadaceae: Marsdenieae) in Australia and Papuasia. Austrobaileya 3 (3): 335 - 360." type="journal article" year="1991">Forster 1991</bibRefCitation>
|
||
), this element is nevertheless published under
|
||
<taxonomicName box="[813,924,1905,1931]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="genus">
|
||
<emphasis box="[813,924,1905,1931]" italics="true" pageId="13" pageNumber="68">Marsdenia</emphasis>
|
||
</taxonomicName>
|
||
, here. Latex constitution supports this placement, as colorless and clear instead of the predominant milky latex is a feature not rarely found in
|
||
<taxonomicName authority="(Forster 1995 b)" baseAuthorityName="Forster" baseAuthorityYear="1995" box="[1156,1449,1969,1996]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="genus">
|
||
<emphasis box="[1156,1268,1969,1995]" italics="true" pageId="13" pageNumber="68">Marsdenia</emphasis>
|
||
(
|
||
<bibRefCitation author="Forster" box="[1285,1439,1969,1996]" firstAuthor="Forster" pageId="13" pageNumber="68" pagination="703 - 933" refId="ref10454" refString="FORSTER P. I. 1995 b. - Circumscription of Marsdenia (Asclepiadaceae: Marsdenieae) with a revision of the genus in Australia and Papuasia. Australian Systematic Botany 8 (5): 703 - 933. https: // doi. org / 10.1071 / SB 9950703" type="journal article" year="1995" yearSuffix="b">Forster 1995b</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, especially in New Caledonian species (e.g.
|
||
<taxonomicName authority="Schltr." authorityName="Schltr." box="[1252,1452,2001,2027]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="13" pageNumber="68" phylum="Tracheophyta" rank="species" species="ericoides">
|
||
<emphasis box="[1252,1374,2001,2027]" italics="true" pageId="13" pageNumber="68">M. ericoides</emphasis>
|
||
Schltr.
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName authority="Guillaumin" authorityName="Guillaumin" authorityYear="1964" box="[132,461,215,242]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="species" species="koniamboensis">
|
||
<emphasis box="[132,322,215,241]" italics="true" pageId="14" pageNumber="69">M. koniamboensis</emphasis>
|
||
Guillaumin
|
||
</taxonomicName>
|
||
). Colorless latex, in contrast, is not known to occur in
|
||
<taxonomicName box="[402,511,247,273]" class="Magnoliopsida" family="Apocynaceae" genus="Sarcolobus" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="genus">
|
||
<emphasis box="[402,511,247,273]" italics="true" pageId="14" pageNumber="69">Sarcolobus</emphasis>
|
||
</taxonomicName>
|
||
(cf.
|
||
<bibRefCitation author="Forster" box="[558,696,247,274]" firstAuthor="Forster" pageId="14" pageNumber="69" pagination="335 - 360" refId="ref10365" refString="FORSTER P. I. 1991. - A taxonomic revision of Sarcolobus R. Br. (Asclepiadaceae: Marsdenieae) in Australia and Papuasia. Austrobaileya 3 (3): 335 - 360." type="journal article" year="1991">Forster 1991</bibRefCitation>
|
||
). Also,
|
||
<taxonomicName authority="Liede" authorityName="Liede" authorityYear="2017" box="[131,475,279,305]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="species" species="weberlingiana" status="sp. nov.">
|
||
<emphasis box="[131,401,279,305]" italics="true" pageId="14" pageNumber="69">Marsdenia weberlingiana</emphasis>
|
||
Liede
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel box="[488,574,280,306]" pageId="14" pageNumber="69" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is not only indistinguishable from
|
||
<taxonomicName authority="Guillaumin" authorityName="Guillaumin" box="[338,609,311,337]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="species" species="nigriflora">
|
||
<emphasis box="[338,475,311,337]" italics="true" pageId="14" pageNumber="69">M. nigriflora</emphasis>
|
||
Guillaumin
|
||
</taxonomicName>
|
||
with regard to vegetative characters, it shares a radiate corolla (but of
|
||
<quantity box="[700,776,343,369]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="14" pageNumber="69" unit="mm" value="12.0">12 mm</quantity>
|
||
diam. versus
|
||
<quantity box="[276,343,374,401]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="14" pageNumber="69" unit="mm" value="5.0">5 mm</quantity>
|
||
diam. in
|
||
<taxonomicName box="[459,596,375,401]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="species" species="nigriflora">
|
||
<emphasis box="[459,596,375,401]" italics="true" pageId="14" pageNumber="69">M. nigriflora</emphasis>
|
||
</taxonomicName>
|
||
), a more or less papillate style-head surface and similar pollinaria. However, pollinaria are larger in
|
||
<taxonomicName authority="Liede" authorityName="Liede" authorityYear="2017" box="[378,634,438,464]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="species" species="weberlingiana" status="sp. nov.">
|
||
<emphasis box="[378,564,438,464]" italics="true" pageId="14" pageNumber="69">M. weberlingiana</emphasis>
|
||
Liede
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel box="[645,728,439,465]" pageId="14" pageNumber="69" rank="species">sp. nov.</taxonomicNameLabel>
|
||
and with more distinctly geniculate caudicles. Geniculate caudicles, though fairly short ones, also occur in
|
||
<taxonomicName authority="Meve & Gâteblé & Liede-Schumann, 2017" authorityName="Meve & Gâteblé & Liede-Schumann" authorityYear="2017" box="[625,767,502,528]" class="Magnoliopsida" family="Apocynaceae" genus="Marsdenia" kingdom="Plantae" order="Gentianales" pageId="14" pageNumber="69" phylum="Tracheophyta" rank="species" species="kaalaensis" status="sp. nov.">
|
||
<emphasis box="[625,767,502,528]" italics="true" pageId="14" pageNumber="69">M. kaalaensis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel box="[132,216,535,561]" pageId="14" pageNumber="69" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation box="[231,314,534,561]" captionStart="FIG" captionStartId="3.[132,143,1654,1672]" captionTargetBox="[236,1353,215,1594]" captionTargetId="figure-233@3.[227,1361,211,1603]" captionTargetPageId="3" captionText="FIG. 2. ─ Marsdenia kaalaensis Meve, Gâteblé & Liede, sp. nov.: A, flowering stem; B, flower in top view; C, gynostegium with corona in lateral view; D, isolated style-head with still one pollinarium attached; E, pollinarium. Drawings: U. Meve from Pillon et al. 213, Fig. 2A drawn after a photograph taken by J. Munzinger. Scale bars: A, 5 mm; B, 2 mm; C-E, 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.4599047" httpUri="https://zenodo.org/record/4599047/files/figure.png" pageId="14" pageNumber="69">Fig. 2E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |