330 lines
26 KiB
XML
330 lines
26 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.114.27395" ID-GBIF-Dataset="3a7b11d8-1e61-415c-8460-916ccdfeca47" ID-PMC="PMC6323110" ID-Pensoft-Pub="1314-2003-114-55" ID-Pensoft-UUID="FF8FFFF1522D91297719F722F91EFFB8" ID-PubMed="30627042" ID-Zenodo-Dep="2533525" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-2003-114-55" ModsDocOrigin="PhytoKeys " ModsDocTitle="Taxonomic revision of the African genus Greenwayodendron (Annonaceae)" checkinTime="1553125324493" checkinUser="pensoft" docAuthor="Lissambou, Brandet-Junior, Hardy, Olivier J., Atteke, Christiane, Stevart, Tariq, Dauby, Gilles, Mbatchi, Bertrand, Sonke, Bonaventure & Couvreur, Thomas L. P." docDate="2018" docId="4A2F1282DB5BDC4E75012B0B59182112" docLanguage="en" docName="PhytoKeys 114: 55-93" docOrigin="PhytoKeys 114" docSource="http://dx.doi.org/10.3897/phytokeys.114.27395" docTitle="Greenwayodendron littorale Lissambou, Dauby & Couvreur 2018, sp. nov." docType="treatment" docVersion="6" id="FF8FFFF1522D91297719F722F91EFFB8" lastPageNumber="55" masterDocId="FF8FFFF1522D91297719F722F91EFFB8" masterDocTitle="Taxonomic revision of the African genus Greenwayodendron (Annonaceae)" masterLastPageNumber="93" masterPageNumber="55" pageNumber="55" updateTime="1668139149470" 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>Taxonomic revision of the African genus Greenwayodendron (Annonaceae)</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>Lissambou, Brandet-Junior</mods:namePart>
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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>Hardy, Olivier J.</mods:namePart>
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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>Atteke, Christiane</mods:namePart>
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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>Stevart, Tariq</mods:namePart>
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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>Dauby, Gilles</mods:namePart>
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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>Mbatchi, Bertrand</mods:namePart>
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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>Sonke, Bonaventure</mods:namePart>
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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>Couvreur, Thomas L. P.</mods:namePart>
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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>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>114</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>93</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.114.27395</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.114.27395</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-114-55</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF8FFFF1522D91297719F722F91EFFB8</mods:identifier>
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<mods:identifier type="Zenodo-Dep">2533525</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="154472493" LSID="urn:lsid:plazi:treatment:4A2F1282DB5BDC4E75012B0B59182112" httpUri="http://treatment.plazi.org/id/4A2F1282DB5BDC4E75012B0B59182112" lastPageNumber="55" pageId="0" pageNumber="55">
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<subSubSection pageId="0" pageNumber="55" type="nomenclature">
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<paragraph pageId="0" pageNumber="55">
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<taxonomicName LSID="4A2F1282-DB5B-DC4E-7501-2B0B59182112" authority="Lissambou, Dauby & Couvreur" authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale" status="sp. nov.">Greenwayodendron littorale Lissambou, Dauby & Couvreur</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="55">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Greenwayodendron littorale. A Flowering branch B Detail of lower leaf surface C Detail of upper leaf surface D Flower E Outside view of basal bract F Inside view of basal bract G Outside view of upper bract H Inside view of upper bract I Inside view of sepal J Outside view of sepal K Inside view of outer petal L Outside view of outer petal M Outside view of inner petal N Inside view of inner petal O Detail of hermaphrodite receptacle showing stamens and carpels, all petals removed P Detail of one carpel Q Longitudinal section of two carpels, showing single ovule R Detail of stamen, outside view S Detail of stamen, inside view T Detail of stamen, inside view U Fruiting branch V Seed, latitudinal view W Longitudinal section of seed showing ruminations A-T Wieringa, J. J. 2476 U-W Breteler, F. J. 5649. Drawing by Hans de Vries." figureDoi="10.3897/phytokeys.114.27395.figure5" httpUri="https://binary.pensoft.net/fig/253614" pageId="0" pageNumber="55">Fig. 5</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="diagnosis">
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<paragraph pageId="0" pageNumber="55">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="55">
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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resembles
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<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. oliveri" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="oliveri">
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<emphasis italics="true" pageId="0" pageNumber="55">G. oliveri</emphasis>
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</taxonomicName>
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by being small trees and from the shape and size of their leaves.
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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is however different, being smaller in size (2-5 m versus 5-10 m for
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<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. oliveri" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="oliveri">
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<emphasis italics="true" pageId="0" pageNumber="55">G. oliveri</emphasis>
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</taxonomicName>
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) and the shape of the stamen connectives being tongue-shaped, obtuse or short versus flattened in
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<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. oliveri" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="oliveri">
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<emphasis italics="true" pageId="0" pageNumber="55">G. oliveri</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="materials_examined">
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<paragraph pageId="0" pageNumber="55">Type.</paragraph>
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<paragraph pageId="0" pageNumber="55">
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<emphasis bold="true" pageId="0" pageNumber="55">GABON.</emphasis>
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<normalizedToken originalValue="Ogooué-Maritime">Ogooue-Maritime</normalizedToken>
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: Gamba, ca. 2 km on sand-track to Sete Cama, 15 Mar 1994,
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<emphasis italics="true" pageId="0" pageNumber="55">J.J. Wieringa 2476</emphasis>
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(holotype: WAG! [WAG0065156]; Isotypes (BM, BR![BR0000015305985], C, EA, FHO, IAGB, IEC, K![K001595], LBV!, LY, MA, MO, MPU, P![P06900984], PRE, UGDA, U![U0045159; U0045160], US, W, WAG! [WAG0065155; WAG0065154], YA, Z.)
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</paragraph>
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<caption ID-Zenodo-Dep="2533649" doi="10.3897/phytokeys.114.27395.figure5" httpUri="https://binary.pensoft.net/fig/253614" pageId="0" pageNumber="55" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="55">
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<emphasis bold="true" pageId="0" pageNumber="55">Figure 5.</emphasis>
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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.
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<emphasis bold="true" pageId="0" pageNumber="55">A</emphasis>
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Flowering branch
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<emphasis bold="true" pageId="0" pageNumber="55">B</emphasis>
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Detail of lower leaf surface
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<emphasis bold="true" pageId="0" pageNumber="55">C</emphasis>
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Detail of upper leaf surface
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<emphasis bold="true" pageId="0" pageNumber="55">D</emphasis>
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Flower
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<emphasis bold="true" pageId="0" pageNumber="55">E</emphasis>
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Outside view of basal bract
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<emphasis bold="true" pageId="0" pageNumber="55">F</emphasis>
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Inside view of basal bract
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<emphasis bold="true" pageId="0" pageNumber="55">G</emphasis>
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Outside view of upper bract
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<emphasis bold="true" pageId="0" pageNumber="55">H</emphasis>
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Inside view of upper bract
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<emphasis bold="true" pageId="0" pageNumber="55">I</emphasis>
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Inside view of sepal
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<emphasis bold="true" pageId="0" pageNumber="55">J</emphasis>
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Outside view of sepal
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<emphasis bold="true" pageId="0" pageNumber="55">K</emphasis>
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Inside view of outer petal
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<emphasis bold="true" pageId="0" pageNumber="55">L</emphasis>
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Outside view of outer petal
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<emphasis bold="true" pageId="0" pageNumber="55">M</emphasis>
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Outside view of inner petal
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<emphasis bold="true" pageId="0" pageNumber="55">N</emphasis>
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Inside view of inner petal
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<emphasis bold="true" pageId="0" pageNumber="55">O</emphasis>
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Detail of hermaphrodite receptacle showing stamens and carpels, all petals removed
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<emphasis bold="true" pageId="0" pageNumber="55">P</emphasis>
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Detail of one carpel
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<emphasis bold="true" pageId="0" pageNumber="55">Q</emphasis>
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Longitudinal section of two carpels, showing single ovule
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<emphasis bold="true" pageId="0" pageNumber="55">R</emphasis>
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Detail of stamen, outside view
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<emphasis bold="true" pageId="0" pageNumber="55">S</emphasis>
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Detail of stamen, inside view
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<emphasis bold="true" pageId="0" pageNumber="55">T</emphasis>
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Detail of stamen, inside view
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<emphasis bold="true" pageId="0" pageNumber="55">U</emphasis>
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Fruiting branch
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<emphasis bold="true" pageId="0" pageNumber="55">V</emphasis>
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Seed, latitudinal view
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<emphasis bold="true" pageId="0" pageNumber="55">W</emphasis>
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Longitudinal section of seed showing ruminations
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<emphasis bold="true" pageId="0" pageNumber="55">A-T</emphasis>
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<emphasis italics="true" pageId="0" pageNumber="55">Wieringa, J.J. 2476</emphasis>
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<emphasis bold="true" pageId="0" pageNumber="55">U-W</emphasis>
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<emphasis italics="true" pageId="0" pageNumber="55">Breteler, F.J. 5649</emphasis>
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. Drawing by Hans de Vries.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="55">Tree 2-5 m tall, d.b.h. 2-5 cm. Young branches at first sparsely pubescent, later glabrous, trichomes ca. 0.1 mm long; old branches glabrous. Leaves: petiole 1.0-3.1 mm long, 0.8-1.2 mm in diameter, sparsely pubescent, trichomes ca. 0.1 mm long; lamina 4.2-7.8 cm long, 2.0-3.8 cm wide, length: width ratio 1.5-2.3, elliptic, base rounded or cuneate, apex acuminate, aristate or caudate, acumen 5-12 mm long, upper and lower side sparsely pubescent; midrib upper side and lower side densely to sparsely pubescent, trichomes ca. 0.1 mm long; secondary veins 4-6 pairs, upper side glabrous, lower side sparsely pubescent, trichomes 0.1 mm long; tertiary veins irregular, indistinct above. Inflorescence axillary, a 1-4 flowered rhipidium. Floral buds ellipsoid, 5.0-5.5 mm long, 2.5-3.0 mm in diameter, densely pubescent; Flowering pedicel 3.0-3.1 mm long, 0.5-0.6 mm in diameter, densely pubescent when young, becoming pubescent to sparsely pubescent at anthesis, trichomes 0.1 mm long, lower bract in lower haft of pedicel, minute; upper bract apical, just below the calyx, 0.9-1.0 mm in diameter, sparsely pubescent, trichomes 0.2-0.3 mm long. Sepals 1.5-1.9 mm long, 1.9-2.2 mm wide, length: width ratio 0.9 broadly ovate, imbricate, fused at the base, apex acuminate, base truncate, outside densely pubescent, inside sparsely pubescent towards the centre inside, trichomes 0.1-0.2 mm long. Inner and outer petals 11.5-12.5 mm long, 1.6-1.8 mm wide, length: width ratio 0.9, narrowly ovate to narrowly elliptic, apex acuminate, base rounded, outside tomentose, trichomes 0.1-0.2 mm long, inside sparsely pubescent to glabrous, glabrous part to 0.5-1.2 mm long, green maturing pale yellow. Male flowers not observed. Hermaphrodite flowers: stamens 4-5 in a single whorl, appressed, 1.7-2.1 mm long, 0.6-0.9 mm wide, connective tongue-shaped, obtuse, short and little developed; carpels 8-10, 1.9-2.1 mm long, 0.6-0.8 mm wide, length:width ratio 2.8, oblong, densely pubescent; ovules 1, oblong; stigmata ovoid, densely pubescent, trichomes ca. 0.1 mm long. Fruiting pedicel 4.5-6.5 mm long, 1.5-2.0 mm in diameter, sparsely pubescent, trichomes ca. 0.1 mm long; stipes 3-4 mm long and 1-2 mm in diameter, sparsely pubescent; monocarps 1-4, 2.5-4.2 mm in diameter, broadly ellipsoid to globose, sparsely pubescent to glabrous, green turning wine red at maturity; seed 1 per monocarp, 1.5-4.0 mm in diameter, ellipsoid to globose, surface covered by a white tegument.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="phenology">
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<paragraph pageId="0" pageNumber="55">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="55">Flowering and fruiting times are not well known. However, a flowering specimen was collected in March and a fruiting one in September.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="distribution">
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<paragraph pageId="0" pageNumber="55">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="55">
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Restricted to the southern coastal part of Gabon and northern Republic of Congo, 5-50 m (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Distribution of Greenwayodendron littorale." figureDoi="10.3897/phytokeys.114.27395.figure6" httpUri="https://binary.pensoft.net/fig/253615" pageId="0" pageNumber="55">6</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="habitat">
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<paragraph pageId="0" pageNumber="55">Habitat and ecology.</paragraph>
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<paragraph pageId="0" pageNumber="55">Growing on coastal and periodically inundated forests, on sandy soils.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="vernacular names">
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<paragraph pageId="0" pageNumber="55">Vernacular names.</paragraph>
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<paragraph pageId="0" pageNumber="55">Unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="use">
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<paragraph pageId="0" pageNumber="55">Use.</paragraph>
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<paragraph pageId="0" pageNumber="55">Unknown.</paragraph>
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<caption ID-Zenodo-Dep="2533651" doi="10.3897/phytokeys.114.27395.figure6" httpUri="https://binary.pensoft.net/fig/253615" pageId="0" pageNumber="55" start="Figure 6" startId="F6">
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<paragraph pageId="0" pageNumber="55">
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<emphasis bold="true" pageId="0" pageNumber="55">Figure 6.</emphasis>
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Distribution of
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="55" type="preliminary conservation status of iucn">
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<paragraph pageId="0" pageNumber="55">Preliminary conservation status of IUCN.</paragraph>
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<paragraph pageId="0" pageNumber="55">
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Endangered [EN]. The extent of occurrence (EOO) of
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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is estimated to be over 4,506 km2 and its minimal area of occupancy (AOO) is estimated to be 24 km2 (within the limits for Endangered status under criterion B2).
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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is endemic to western Gabon and the Republic of Congo and develops in the lowland coastal forest where it is a dominant species in the undergrowth. The species is found in protected areas (Loango National Park). It is also known from several unprotected forests subjected to logging and habitat destruction due to human activities.
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<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
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<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
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</taxonomicName>
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is known from eight specimens representing five subpopulations. These 5 subpopulations represent a total of 5
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<normalizedToken originalValue="“locations”">"locations"</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="55">sensu</emphasis>
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<bibRefCitation author="IUCN" journalOrPublisher="New York Botanical Garden, New York," pageId="0" pageNumber="55" refId="B27" refString="IUCN, 2012. Categories et Criteres de la Liste rouge de l'UICN. Version 3.1. Deuxieme edition.Gland, Suisse et Cambridge, Royaume-Uni." title="Categories et Criteres de la Liste rouge de l'UICN. Version 3.1. Deuxieme edition. Gland, Suisse et Cambridge, Royaume-Uni." year="2012">IUCN 2012</bibRefCitation>
|
||
), falling within the limit for Endangered status. We project that the ongoing loss of its habitat will induce a continuous decline in the number of mature individuals.
|
||
<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
|
||
</taxonomicName>
|
||
is therefore assigned a preliminary status of EN B1 ab(iii,v)+2ab(iii,v).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="55" type="notes">
|
||
<paragraph pageId="0" pageNumber="55">Notes.</paragraph>
|
||
<paragraph pageId="0" pageNumber="55">
|
||
<taxonomicName authorityName="Lissambou, Dauby & Couvreur" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Greenwayodendron" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Greenwayodendron littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Tracheophyta" rank="species" species="littorale">
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Greenwayodendron littorale</emphasis>
|
||
</taxonomicName>
|
||
was previously confused with
|
||
<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. oliveri" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="oliveri">
|
||
<emphasis italics="true" pageId="0" pageNumber="55">G. oliveri</emphasis>
|
||
</taxonomicName>
|
||
from West Africa. Besides their clear allopatric distribution (West versus Central Africa), both species are distinct at the morphological level with
|
||
<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. oliveri" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="oliveri">
|
||
<emphasis italics="true" pageId="0" pageNumber="55">G. oliveri</emphasis>
|
||
</taxonomicName>
|
||
being a taller tree (5-10 m versus 2-5 m) with usually longer leaves (up to 15 cm long versus up to 8 cm long). Both species also differ in the shape of the stamen connective, being flattened in
|
||
<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. oliveri" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="oliveri">
|
||
<emphasis italics="true" pageId="0" pageNumber="55">G. oliveri</emphasis>
|
||
</taxonomicName>
|
||
and tongue-shaped, obtuse, short and little developed in
|
||
<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="G. littorale" order="Magnoliales" pageId="0" pageNumber="55" phylum="Angiospermae" rank="species" species="littorale">
|
||
<emphasis italics="true" pageId="0" pageNumber="55">G. littorale</emphasis>
|
||
</taxonomicName>
|
||
. Finally, genetic studies also confirm the distinct nature of both species (Lissambou et al. in prep.). To date, only hermaphrodite flowers were observed.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="55" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="55">Selected specimens examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="55">
|
||
<emphasis bold="true" pageId="0" pageNumber="55">Gabon. Nyanga</emphasis>
|
||
: 6 km southeast of Mayumba,
|
||
<geoCoordinate degrees="3" direction="south" minutes="28.21" orientation="latitude" precision="9" value="-3.4701667">3°28.21'S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="10" direction="east" minutes="41.90" orientation="longitude" precision="9" value="10.698334">10°41.90'E</geoCoordinate>
|
||
, 20 Nov 2015,
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Wieringa, J.J. 8490</emphasis>
|
||
(LBV, WAG).
|
||
<emphasis bold="true" pageId="0" pageNumber="55">
|
||
<normalizedToken originalValue="Ogooué">Ogooue</normalizedToken>
|
||
Maritime
|
||
</emphasis>
|
||
: Gamba,
|
||
<geoCoordinate degrees="2" direction="south" minutes="46" orientation="latitude" precision="925" value="-2.7666667">2°46'S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="10" direction="east" minutes="20" orientation="longitude" precision="925" value="10.333333">10°20'E</geoCoordinate>
|
||
, 26 Sep 1968,
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Breteler, F.J. 5649</emphasis>
|
||
(LBV, WAG); Near Nyanga river, S of Gamba,
|
||
<geoCoordinate degrees="2" direction="south" minutes="28" orientation="latitude" precision="925" value="-2.4666667">2°28'S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="10" direction="east" minutes="15" orientation="longitude" precision="925" value="10.25">10°15'E</geoCoordinate>
|
||
, 25 Jul 1998,
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Breteler, F.J. 14481</emphasis>
|
||
(WAG);
|
||
<normalizedToken originalValue="Setté">Sette</normalizedToken>
|
||
Cama,
|
||
<geoCoordinate degrees="2" direction="south" minutes="32" orientation="latitude" precision="925" value="-2.5333333">2°32'S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="9" direction="east" minutes="46" orientation="longitude" precision="925" value="9.766666">9°46'E</geoCoordinate>
|
||
, 23 Apr 1997,
|
||
<emphasis italics="true" pageId="0" pageNumber="55">McPherson, G.D. 16812</emphasis>
|
||
(LBV); Gamba. 9.1 km N of Gamba-airport along production road branching from road to Ndogo wharf,
|
||
<geoCoordinate degrees="2" direction="south" minutes="44.70" orientation="latitude" precision="9" value="-2.745">2°44.70'S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="9" direction="east" minutes="59.70" orientation="longitude" precision="9" value="9.995">9°59.70'E</geoCoordinate>
|
||
, 28 Dec 1994,
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Wild, J.J.F.E. de 11217</emphasis>
|
||
(LBV, BRLU).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="55">
|
||
<emphasis bold="true" pageId="0" pageNumber="55">Republic of Congo. Kouilou</emphasis>
|
||
: P.C.A. NZAMBI, around
|
||
<normalizedToken originalValue="N’tiétié">N'tietie</normalizedToken>
|
||
,
|
||
<normalizedToken originalValue="N’Gongo">N'Gongo</normalizedToken>
|
||
forest road 4 km from
|
||
<normalizedToken originalValue="N’Tiété">N'Tiete</normalizedToken>
|
||
,
|
||
<geoCoordinate degrees="3" direction="south" minutes="52" orientation="latitude" precision="925" value="-3.8666668">3°52'S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="11" direction="east" minutes="16" orientation="longitude" precision="925" value="11.266666">11°16'E</geoCoordinate>
|
||
, 29 Apr 1974,
|
||
<emphasis italics="true" pageId="0" pageNumber="55">Sita, P. 3698</emphasis>
|
||
(P).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |