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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.121.29924" ID-GBIF-Dataset="b83fa02b-b303-4799-856d-b4dbe1160a93" ID-PMC="PMC6522442" ID-Pensoft-Pub="1314-2003-121-81" ID-Pensoft-UUID="B21D393FFFFBFC4EFF96FFA7FFF98263" ID-PubMed="31114428" ID-Zenodo-Dep="3484962" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-2003-121-81" ModsDocOrigin="PhytoKeys 121" ModsDocTitle="A checklist of rheophytes of Cameroon" checkinTime="1557465998154" checkinUser="pensoft" docAuthor="Kuetegue, Felix, Sonke, Bonaventure &amp; Ameka, Gabriel K." docDate="2019" docId="A1F3BA0D0B48B9843BB0D9CD5838AFD9" docLanguage="en" docName="PhytoKeys 121: 81-131" docOrigin="PhytoKeys 121" docSource="http://dx.doi.org/10.3897/phytokeys.121.29924" docTitle="Leiothylax quangensis Warm., Danske Vid. Selsk. Skrift. Ser .. VI, 9: 147 1899" docType="treatment" docVersion="6" id="B21D393FFFFBFC4EFF96FFA7FFF98263" lastPageNumber="81" masterDocId="B21D393FFFFBFC4EFF96FFA7FFF98263" masterDocTitle="A checklist of rheophytes of Cameroon" masterLastPageNumber="131" masterPageNumber="81" pageNumber="81" updateTime="1668139284282" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>A checklist of rheophytes of Cameroon</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kuetegue, Felix</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sonke, Bonaventure</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ameka, Gabriel K.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>121</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>81</mods:start>
<mods:end>131</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.121.29924</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.121.29924</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-121-81</mods:identifier>
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<treatment ID-GBIF-Taxon="157119324" LSID="urn:lsid:plazi:treatment:A1F3BA0D0B48B9843BB0D9CD5838AFD9" httpUri="http://treatment.plazi.org/id/A1F3BA0D0B48B9843BB0D9CD5838AFD9" lastPageNumber="81" pageId="0" pageNumber="81">
<subSubSection pageId="0" pageNumber="81" type="nomenclature">
<paragraph pageId="0" pageNumber="81">
32.
<taxonomicName LSID="6D8BB1C0-1367-5B0F-9981-8B8DC2C69478" authority="Warm., Danske Vid. Selsk. Skrift. Ser .. VI, 9: 147 (1899)" authorityName="Warm., Danske Vid. Selsk. Skrift. Ser .. VI, 9: 147" authorityYear="1899" class="Magnoliopsida" family="Podostemaceae" genus="Leiothylax" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Leiothylax quangensis" order="Malpighiales" pageId="0" pageNumber="81" phylum="Tracheophyta" rank="species" species="quangensis">Leiothylax quangensis Warm., Danske Vid. Selsk. Skrift. Ser.. VI, 9: 147 (1899)</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="81" type="reference_group">
<paragraph pageId="0" pageNumber="81">
<taxonomicName class="Magnoliopsida" family="Podostemaceae" genus="Dicraeia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dicraeia quangensis" order="Malpighiales" pageId="0" pageNumber="81" phylum="Tracheophyta" rank="species" species="quangensis">Dicraeia quangensis</taxonomicName>
Engl., Bot. Jahrb. Syst. 20(1-2): 134 (1894)
</paragraph>
<paragraph pageId="0" pageNumber="81">
<taxonomicName authorityName="Engl" authorityYear="1926" class="Magnoliopsida" family="Podostemaceae" genus="Leiocarpodicraea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Leiocarpodicraea buesgenii" order="Malpighiales" pageId="0" pageNumber="81" phylum="Tracheophyta" rank="species" species="buesgenii">Leiocarpodicraea buesgenii</taxonomicName>
Engl., Engl. Bot. Jahrb. Syst. 60: 465 (1926)
</paragraph>
<paragraph pageId="0" pageNumber="81">
<taxonomicName authorityName="Warming ex Engl" authorityYear="1930" class="Magnoliopsida" family="Podostemaceae" genus="Leiothylax" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Leiothylax buesgenii" order="Malpighiales" pageId="0" pageNumber="81" phylum="Tracheophyta" rank="species" species="buesgenii">Leiothylax buesgenii</taxonomicName>
Warm. ex Engl., Nat. Pflanzenfam. 18 a ed. 2, 58 (1930)
</paragraph>
<paragraph pageId="0" pageNumber="81">
<taxonomicName authorityName="Engl" authorityYear="1930" class="Magnoliopsida" family="Podostemaceae" genus="Leiothylax" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Leiothylax edeensis" order="Malpighiales" pageId="0" pageNumber="81" phylum="Tracheophyta" rank="species" species="edeensis">Leiothylax edeensis</taxonomicName>
Engl. Nat. Pflanzenfam. 18 a ed. 2, 58 (1930)
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="81" type="materials_examined">
<paragraph pageId="0" pageNumber="81">Type.</paragraph>
<paragraph pageId="0" pageNumber="81">
Democratic Republic of Congo,
<emphasis italics="true" pageId="0" pageNumber="81">
Teuscz in von
<normalizedToken originalValue="Mechows">Mechow's</normalizedToken>
Expedition 506
</emphasis>
(holotype: M; isotype: G).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="81" type="materials_examined">
<paragraph pageId="0" pageNumber="81">Specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="81">
Edea, Sanaga waterfall,
<emphasis italics="true" pageId="0" pageNumber="81">Buesgen 439</emphasis>
(M); Sanaga waterfall,
<emphasis italics="true" pageId="0" pageNumber="81">Buesgen s.n.</emphasis>
(B, U).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="81" type="habitat">
<paragraph pageId="0" pageNumber="81">Habitat.</paragraph>
<paragraph pageId="0" pageNumber="81">River rapids and waterfalls in tropical rain forests.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="81" type="distribution">
<paragraph pageId="0" pageNumber="81">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="81">
Angola, Cameroon (Fig.
<figureCitation captionStart="Figures 2025" captionStartId="F4" captionText="Figures 20 - 25. 20 Ixora inundata Hiern 21 Virectaria angustifolia (Hiern) Bremek 22 Virectaria salicoides (C. H. Wright) Bremek 23 Deinbollia angustifolia D. W. Thomas 24 Deinbollia saligna Keay 25 Podostemaceae distribution." figureDoi="10.3897/phytokeys.121.29924.figures20-25" httpUri="https://binary.pensoft.net/fig/300482" pageId="0" pageNumber="81">25</figureCitation>
), Democratic Republic of Congo.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="81" type="conservation status">
<paragraph pageId="0" pageNumber="81">Conservation status in Cameroon.</paragraph>
<paragraph pageId="0" pageNumber="81">
<taxonomicName authorityName="Warm., Danske Vid. Selsk. Skrift. Ser .. VI, 9: 147" authorityYear="1899" class="Magnoliopsida" family="Podostemaceae" genus="Leiothylax" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Leiothylax quangensis" order="Malpighiales" pageId="0" pageNumber="81" phylum="Tracheophyta" rank="species" species="quangensis">
<emphasis italics="true" pageId="0" pageNumber="81">Leiothylax quangensis</emphasis>
</taxonomicName>
has been assessed for the IUCN Red List as Endangered (
<bibRefCitation author="Ghogue, J-P" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="0" pageNumber="81" refId="B41" refString="Ghogue, J-P, 2010m. Leiothylaxquangensis. The IUCN Red List of Threatened Species 2010: e.T185346A8392899. [Downloaded on 20 August 2018]" title="Leiothylaxquangensis. The IUCN Red List of Threatened Species 2010: e. T 185346 A 8392899. [Downloaded on 20 August 2018]" year="2010 m">Ghogue 2010m</bibRefCitation>
). The taxon is known from one locality, Edea waterfalls. The area of occupancy and extent of occurrence are both estimated at 2 km2 each. The hydropower dam at Edea will certainly impact the quality of the habitat of the species.
<taxonomicName class="Magnoliopsida" family="Amaranthaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="L. quangensis" order="Caryophyllales" pageId="0" pageNumber="81" phylum="Angiospermae" rank="species" species="quangensis">
<emphasis italics="true" pageId="0" pageNumber="81">L. quangensis</emphasis>
</taxonomicName>
is here reassessed as Critically Endangered. IUCN Red List Category:
<emphasis bold="true" pageId="0" pageNumber="81">Critically Endangered CRB1+2ab (ii, iii).</emphasis>
</paragraph>
</subSubSection>
</treatment>
</document>