279 lines
30 KiB
XML
279 lines
30 KiB
XML
<document ID-DOI="10.1007/s12225-022-10019-2" approvedBy="tatia" checkinTime="1675342471759" checkinUser="tatiana" docAuthor="Cheek, Martin, Molmou, Denise, Magassouba, Sekou & Ghogue, Jean-Paul" docDate="2022" docId="03BF87BBFF9AFFD7FCF16006F099FF2A" docLanguage="en" docName="KewBull.77.403–433.pdf.imf" docOrigin="Kew Bulletin 77 (2)" docSource="http://dx.doi.org/10.1007/s12225-022-10019-2" docTitle="Saxicolella undefined-A" docType="treatment" docVersion="1" lastPageNumber="427" masterDocId="FF86FFC3FF8FFFCFFFD46557F505FFF4" masterDocTitle="Taxonomic revision of Saxicolella (Podostemaceae), African waterfall plants highly threatened by Hydro-Electric projects" masterLastPageNumber="433" masterPageNumber="403" pageNumber="424" updateTime="1675342474921" updateUser="tatiana" zenodo-license-document="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 revision of Saxicolella (Podostemaceae), African waterfall plants highly threatened by Hydro-Electric projects</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>Cheek, Martin</mods:namePart>
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<mods:affiliation>Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AE, UK.</mods:affiliation>
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<mods:nameIdentifier type="email">m.cheek@kew.org</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Molmou, Denise</mods:namePart>
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<mods:affiliation>Herbier National de Guineé, Université de Gamal Abdel Nasser, BP 680, Conakry, République de Guinée.</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>Magassouba, Sekou</mods:namePart>
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<mods:affiliation>Herbier National de Guineé, Université de Gamal Abdel Nasser, BP 680, Conakry, République de Guinée.</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>Ghogue, Jean-Paul</mods:namePart>
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<mods:affiliation>Green Connexion, PO Box 1289, Yaoundé, Cameroon & IRAD-National Herbarium of Cameroon Yaoundé, PO Box 1601, Yaoundé, Cameroon.</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>Kew Bulletin</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-05-30</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>77</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>403</mods:start>
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<mods:end>433</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/10.1007/s12225-022-10019-2</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">10.1007/s12225-022-10019-2</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:03BF87BBFF9AFFD7FCF16006F099FF2A" httpUri="http://treatment.plazi.org/id/03BF87BBFF9AFFD7FCF16006F099FF2A" lastPageId="24" lastPageNumber="427" pageId="21" pageNumber="424">
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<subSubSection box="[805,1013,1361,1383]" pageId="21" pageNumber="424" type="nomenclature">
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<paragraph blockId="21.[805,1329,1361,1414]" box="[805,1013,1361,1383]" pageId="21" pageNumber="424">
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<heading bold="true" box="[805,1013,1361,1383]" fontSize="9" level="2" pageId="21" pageNumber="424" reason="6">
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<emphasis bold="true" box="[805,1013,1361,1383]" pageId="21" pageNumber="424">
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8.
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<taxonomicName box="[833,1013,1361,1383]" class="Magnoliopsida" family="Podostemaceae" genus="Saxicolella" kingdom="Plantae" order="Malpighiales" pageId="21" pageNumber="424" phylum="Tracheophyta" rank="species" species="undefined-A">Saxicolella sp. A</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection box="[806,1329,1392,1414]" pageId="21" pageNumber="424" type="reference_group">
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<paragraph blockId="21.[805,1329,1361,1414]" box="[806,1329,1392,1414]" pageId="21" pageNumber="424">
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Syn.
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<taxonomicName box="[859,1023,1392,1413]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="21" pageNumber="424" phylum="Tracheophyta" rank="species" species="nana">
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<emphasis box="[859,1023,1392,1413]" italics="true" pageId="21" pageNumber="424">Sapicolella nana</emphasis>
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</taxonomicName>
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auct. non Engl. (GBIF.org)
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="23" lastPageNumber="426" pageId="21" pageNumber="424" type="description">
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<paragraph blockId="21.[805,1399,1453,1933]" lastBlockId="23.[151,745,1129,1181]" lastPageId="23" lastPageNumber="426" pageId="21" pageNumber="424">
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Prostrate herb with long, ribbon-like roots (black in life), infrequently bifurcating. Shoots sessile, forming 1-flowered leafy rosettes along margins of the root in rows, stem not visible. Leaves 2 – 6 per rosette, linear, flattened, as long or longer than the flower, entire, very rarely bifid at apex, apex acute to obtuse, stipules not seen. Spathellum caducous, sometimes visible as a broken ellipsoid remnant. Pedicel cylindrical, stout and white or pink in life, as long as ovary and nearly as broad. Stamen with filament 1.5 – 2 times as long as ovary, white to pink. Anthers with cells white, hemiglobose, isodiametric, semi-latrorse, each about as wide as filament. Gynophore absent. Tepals not seen. Ovary sessile narrowly ellipsoid, dull red, longitudinal lines not visible apart from commissure, orbicular in plan view (not laterally compressed). Styles 2, purple-red, erect stout cylindric, apices obtuse. Fruits 8-ribbed (
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<emphasis box="[417,535,1159,1181]" italics="true" pageId="23" pageNumber="426">Tepier et al.</emphasis>
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2221).
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</paragraph>
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</subSubSection>
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<caption pageId="23" pageNumber="426" startId="23.[151,185,1039,1060]" targetBox="[152,1400,193,1021]" targetPageId="23">
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<paragraph blockId="23.[151,1400,1039,1086]" pageId="23" pageNumber="426">
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<emphasis bold="true" box="[151,214,1039,1060]" pageId="23" pageNumber="426">Fig. 8.</emphasis>
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<taxonomicName box="[221,363,1039,1059]" class="Magnoliopsida" family="Podostemaceae" genus="Saxicolella" kingdom="Plantae" order="Malpighiales" pageId="23" pageNumber="426" phylum="Tracheophyta" rank="species" species="futa">
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<emphasis box="[221,363,1039,1059]" italics="true" pageId="23" pageNumber="426">Saxicolella futa</emphasis>
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</taxonomicName>
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. Habit of the dead plant at the end of the dry season-start of the wet season. June 2013, chute de Sal
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<emphasis box="[1364,1370,1039,1059]" italics="true" pageId="23" pageNumber="426">’</emphasis>
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aa. PHOTO: M. cHEEK.
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</paragraph>
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</caption>
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<subSubSection pageId="23" pageNumber="426" type="diagnosis">
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<paragraph blockId="23.[151,745,1220,1914]" pageId="23" pageNumber="426">
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<emphasis bold="true" box="[153,292,1222,1242]" pageId="23" pageNumber="426">RECOGNITION</emphasis>
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. Differing from
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<taxonomicName box="[487,655,1220,1242]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="23" pageNumber="426" phylum="Tracheophyta" rank="species" species="nana">
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<emphasis box="[487,655,1220,1242]" italics="true" pageId="23" pageNumber="426">Sapicolella nana</emphasis>
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</taxonomicName>
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in that the root is long and ribbon-like with the shoots lacking visible stems, and arising along the margins of the root in rows (vs disc-like, crustose, the shoots with visible stems, arising from the centre of the root in a cluster); the leaves entire, linear, and not trifid from a point c. 1.5 mm from the base; the ovary sessile (the staminal filament inserted at its base), not with a distinct gynophore; fruit 8-ribbed (not 6-ribbed).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="426" type="distribution">
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<paragraph blockId="23.[151,745,1220,1914]" pageId="23" pageNumber="426">
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<emphasis bold="true" box="[153,293,1497,1517]" pageId="23" pageNumber="426">DISTRIBUTION</emphasis>
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. Gabon, Ogooué River and its affluent the Ivindo.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="426" type="materials_examined">
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<paragraph blockId="23.[151,745,1220,1914]" pageId="23" pageNumber="426">
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<emphasis bold="true" box="[153,487,1556,1578]" pageId="23" pageNumber="426">SPECIMENS EXAMINED. GABON</emphasis>
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.
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<materialsCitation pageId="23" pageNumber="426">
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Ogooué-Ivindo Province, Ivindo National Park, Kongou waterfall area, islet in the middle of the Ivindou R., 00°17ˈ22"N 012°25ˈ22"E, 355 m alt. fl. 8 Feb. 2018,
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<emphasis italics="true" pageId="23" pageNumber="426">Tepier, Niangadouma & Akouangou</emphasis>
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2221 (BRLU, LBV, MO all n.v. photo); Haut-Ogooué Province, Boumango, Ogooué R., 02°16ˈ27"S 012°28ˈ20"E, 382 m alt., fl. 5 Aug. 2019,
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<emphasis box="[282,374,1770,1791]" italics="true" pageId="23" pageNumber="426">Nguimbit</emphasis>
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with
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<emphasis box="[443,745,1770,1792]" italics="true" pageId="23" pageNumber="426">Boupoya, Ikabanga, Kaparidi</emphasis>
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26 (BRLU spirit only n.v.); Ogooué-Lolo Province, Chute Sessengué sur l’ Ogooué, 00°39ˈ19"S 012°50ˈ05"E, 222 m alt., fl. 21 July 2019,
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<emphasis box="[361,444,1862,1883]" italics="true" pageId="23" pageNumber="426">Boupoya</emphasis>
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with
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<emphasis box="[500,689,1862,1883]" italics="true" pageId="23" pageNumber="426">Nguimbit, Kaparidi</emphasis>
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1952 (BRLU spirit only n.v., photo.).
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="426" type="biology_ecology">
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<paragraph blockId="23.[805,1399,1129,1914]" pageId="23" pageNumber="426">
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<emphasis bold="true" box="[806,894,1130,1150]" pageId="23" pageNumber="426">HABITAT</emphasis>
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. Rocks in rivers sometimes (e.g. near Kongou Falls,
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<emphasis box="[892,990,1160,1181]" italics="true" pageId="23" pageNumber="426">Boupoya</emphasis>
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1952) with other species of
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<taxonomicName box="[805,984,1190,1212]" class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" order="Malpighiales" pageId="23" pageNumber="426" phylum="Tracheophyta" rank="family">Podostemaceae</taxonomicName>
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, probably
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<taxonomicName box="[1122,1282,1190,1211]" class="Magnoliopsida" family="Podostemaceae" genus="Ledermanniella" kingdom="Plantae" order="Malpighiales" pageId="23" pageNumber="426" phylum="Tracheophyta" rank="genus">
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<emphasis box="[1122,1282,1190,1211]" italics="true" pageId="23" pageNumber="426">Ledermanniella</emphasis>
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</taxonomicName>
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(
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<emphasis box="[1311,1399,1190,1211]" italics="true" pageId="23" pageNumber="426">Boupoya</emphasis>
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1952 – 1955, BRLU images); 222 – 382 m alt.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="24" lastPageNumber="427" pageId="23" pageNumber="426" type="conservation">
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<paragraph blockId="23.[805,1399,1129,1914]" lastBlockId="24.[189,783,201,1934]" lastPageId="24" lastPageNumber="427" pageId="23" pageNumber="426">
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<emphasis bold="true" box="[806,1053,1252,1272]" pageId="23" pageNumber="426">CONSERVATION STATUS</emphasis>
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. Once this species is formally published it will be possible for it to be Red Listed, most likely as Endangered EN B1ab(iii) since three locations are known with threats and extent of occurrence is calculated as 881 km
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<superScript attach="left" box="[1217,1227,1367,1381]" fontSize="6" pageId="23" pageNumber="426">2</superScript>
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. Although the three points are widely separated, they plot in a straight line forming a nearly linear polygon.
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<emphasis box="[1339,1399,1435,1456]" italics="true" pageId="23" pageNumber="426">Tepier</emphasis>
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2221 is stated to be “frequent on rocks on Ivindo River” but it is close to the Kongou falls. In 2007 the President of Gabon announced that a hydro-electric dam will be built at the Kongou falls inside the Ivindou National Park to support the Belinga Iron Ore project (
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<bibRefCitation accessDate="2021-06-05" author="Wikipedia & Koncou Falls" box="[812,1139,1617,1639]" pageId="23" pageNumber="426" publicationUrl="https://en.wikipedia.orc/wiki/Koncou_Falls" refId="ref29437" refString="Wikipedia, Koncou Falls (2020). https: // en. wikipedia. orc / wiki / Koncou _ Falls [Accessed 5 June 2021]." type="book" year="2020">Wikipedia, Kongou Falls, 2020</bibRefCitation>
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). When implemented it can be expected to result in extinction of this species at this location as such projects have caused extinction of
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<taxonomicName box="[805,970,1709,1731]" class="Magnoliopsida" family="Podostemaceae" kingdom="Plantae" order="Malpighiales" pageId="23" pageNumber="426" phylum="Tracheophyta" rank="family">Podostemaceae</taxonomicName>
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elsewhere in Africa (
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<bibRefCitation author="Cheek, M. & Ameka, G. & Cable, S. & Fischer, E. & Haba, P. & Lebbie, A. & Luke, Q. & Macassouba, S. & Ncolan, R. & Williams, S. & Challen, G. & Lebbie, A. & B anks, H. & B arberx, P. & Riina, R. & Etuce M. & Williams S. A. & Feika, A. & Lebbie, A. & Goyder, D. & Tchiencue, B. & Sene, O. & Tchouto, P. & van der B urct, X." box="[1190,1384,1709,1731]" journalOrPublisher="Blumea" pageId="23" pageNumber="426" pagination="125 - 156" part="62" refId="ref24603" refString="____, Feika, A., Lebbie, A., Goyder, D., Tchiencue, B., Sene, O., Tchouto, P. & van der B urct, X. (2017 b). A synoptic revision of Inversodicraea (Podostemaceae). Blumea 62: 125 - 156. https: // doi. orc / 10.2767 / blumea. 2017.62.02.07" title="A synoptic revision of Inversodicraea (Podostemaceae)" type="journal article" year="2017">
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Cheek
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<emphasis box="[1268,1315,1709,1731]" italics="true" pageId="23" pageNumber="426">et al.</emphasis>
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2017b
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</bibRefCitation>
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). While threats of this nature have not been found for the other two locations indicated, there is no scope for complacency. Six new large hydroelectric projects are planned in Gabon (
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<bibRefCitation accessDate="2021-06-05" author="Makoni, M." box="[1018,1160,1831,1853]" journalOrPublisher="Hakai Magazine" pageId="23" pageNumber="426" publicationUrl="https://www.hakaimacazine.com/news/cabon-dam-development-threatens-fish-habitat/" refId="ref27983" refString="Makoni, M. (2020). Gabon dam development threatens fish habitat. Hakai Magazine https: // www. hakaimacazine. com / news / cabon-dam-development-threatens-fish-habitat / [Accessed 5 June 2021]." title="Gabon dam development threatens fish habitat" type="url" year="2020">Makoni 2020</bibRefCitation>
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) and the total rises to 29 if potential and smaller projects are included (
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<bibRefCitation accessDate="2021-06-05" author="Cutler, J. S." journalOrPublisher="Thesis, UC Santa Cruz" pageId="23" pageNumber="426" publicationUrl="https://escholarship.orc/uc/item/2jq2233p" refId="ref26432" refString="Cutler, J. S. (2019). Biodiversity, Biogeography, and C onservation of Freshwater Fishes in Gabon. Thesis, UC Santa Cruz. https: // escholarship. orc / uc / item / 2 jq 2233 p [Accessed 5 June 2021]." title="Biodiversity, Biogeography, and C onservation of Freshwater Fishes in Gabon" type="url" year="2019">Cutler 2019</bibRefCitation>
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). Apart from these, falls and rapids are the ideal sites for placing smaller hydro-power projects needed for future development projects. The location of
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<emphasis box="[693,783,231,252]" italics="true" pageId="24" pageNumber="427">Nguimbit</emphasis>
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26 is close to an undeveloped iron ore project in Congo- Brazzaville, while
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<emphasis box="[388,471,293,314]" italics="true" pageId="24" pageNumber="427">Boupoya</emphasis>
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1952 is about 10 km Eof Lastoursville, one of Gabon’ s major towns.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="24" pageNumber="427" type="biology_ecology">
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<paragraph blockId="24.[189,783,201,1934]" pageId="24" pageNumber="427">
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<emphasis bold="true" box="[190,316,355,375]" pageId="24" pageNumber="427">PHENOLOGY</emphasis>
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. Collected in flower in Feb. and July and August (dry seasons).
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</paragraph>
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</subSubSection>
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<subSubSection box="[190,640,415,437]" pageId="24" pageNumber="427" type="vernacular_names">
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<paragraph blockId="24.[189,783,201,1934]" box="[190,640,415,437]" pageId="24" pageNumber="427">
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<emphasis bold="true" box="[190,407,416,436]" pageId="24" pageNumber="427">VERNACULAR NAMES</emphasis>
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. None are recorded.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="24" pageNumber="427" type="discussion">
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<paragraph blockId="24.[189,783,201,1934]" pageId="24" pageNumber="427">
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<emphasis bold="true" box="[190,257,447,467]" pageId="24" pageNumber="427">NOTES</emphasis>
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. The first author came across this taxon when doing final checks for additional records of the genus on GBIF.org before finishing the manuscript for this paper. The three specimens were identified as
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<taxonomicName box="[622,783,537,559]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="nana">
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<emphasis box="[622,783,537,559]" italics="true" pageId="24" pageNumber="427">Sapicolella nana</emphasis>
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</taxonomicName>
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respectively by Rutishauser, Bidault & Rutishauser, Bidault & Mesterhazy. An excellent image of
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<emphasis box="[671,783,598,620]" italics="true" pageId="24" pageNumber="427">Tepier et al.</emphasis>
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2221 and ten for
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<emphasis box="[401,484,629,650]" italics="true" pageId="24" pageNumber="427">Boupoya</emphasis>
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1952 are available online through GBIF and Tropicos, (http://www.tropicos.org/ ImageDownload.aspx?imageid=100597656 and http: // www. tropicos. org / ImageDownload. aspx?imageid=100891262 respectively) but none for
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<emphasis box="[189,279,781,802]" italics="true" pageId="24" pageNumber="427">Nguimbit</emphasis>
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26 which is included on the assumption that it matches the two specimens which had been named identically.
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</paragraph>
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<paragraph blockId="24.[189,783,201,1934]" pageId="24" pageNumber="427">
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Inspection of these images shows several characters that differ from those of
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<taxonomicName box="[496,583,904,925]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="nana">
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<emphasis box="[496,583,904,925]" italics="true" pageId="24" pageNumber="427">S. nana</emphasis>
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</taxonomicName>
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which are given under “Recognition” above. No scale was available, so the description is made without giving dimensions, entirely on the basis of the online photos. Therefore, a full formal description of this taxon is still advisable, including observation to confirm the expected unilocularity of the ovary. Since there are limitations to studying specimens only from images which can be misleading,
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<taxonomicName box="[328,538,1148,1170]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="undefined-A">
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<emphasis box="[328,430,1148,1169]" italics="true" pageId="24" pageNumber="427">Sapicolella</emphasis>
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sp. Ais
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</taxonomicName>
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treated as unplaced here. While it appears to belong to subgenus
|
||
<taxonomicName authorityName=", Taylor" authorityYear="1952" box="[689,776,1179,1200]" class="Magnoliopsida" family="Podostemaceae" genus="Butumia" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="genus">
|
||
<emphasis box="[689,776,1179,1200]" italics="true" pageId="24" pageNumber="427">Butumia</emphasis>
|
||
</taxonomicName>
|
||
, it is indeed similar to
|
||
<emphasis box="[432,520,1209,1231]" italics="true" pageId="24" pageNumber="427">
|
||
<taxonomicName box="[432,517,1209,1231]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="nana">S. nana</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
It is possible that when the specimens themselves are studied, the dissimilarities with
|
||
<taxonomicName box="[298,381,1271,1292]" class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="nana">
|
||
<emphasis box="[298,381,1271,1292]" italics="true" pageId="24" pageNumber="427">S. nana</emphasis>
|
||
</taxonomicName>
|
||
will be reduced and that
|
||
<taxonomicName class="Magnoliopsida" family="Podostemaceae" genus="Sapicolella" kingdom="Plantae" order="Malpighiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="undefined-A">
|
||
<emphasis box="[680,782,1270,1291]" italics="true" pageId="24" pageNumber="427">Sapicolella</emphasis>
|
||
sp. Awill
|
||
</taxonomicName>
|
||
be reduced to synonymy. Yet this seems unlikely given the number of qualitative morphological differences enumerated above, sufficient to result in separation at subgenus level. The specimens themselves could not be reviewed on loan because of technical difficulties due to their transfer from BRLU to ZT (Bidault pers. comm. to Cheek June 2021).
|
||
</paragraph>
|
||
<paragraph blockId="24.[189,783,201,1934]" pageId="24" pageNumber="427">
|
||
<emphasis box="[221,313,1515,1536]" italics="true" pageId="24" pageNumber="427">Nguimbit</emphasis>
|
||
26 was collected at a point so close (<3 km) to the border with Congo- Brazzaville that it maps just inside that country on Tropicos. Since the river concerned extends far into that country it is very likely that the species occurs there and that it is not endemic to Gabon.
|
||
</paragraph>
|
||
<paragraph blockId="24.[189,783,201,1934]" lastBlockId="24.[1413,1436,201,222]" pageId="24" pageNumber="427">
|
||
Gabon is seeing an upsurge in description of new species with 27 published in 2019, second only after Cameroon in tropical Africa, many of these being rare, range-restricted and endemic (
|
||
<bibRefCitation author="Cheek, M. & Ameka, G. & Cable, S. & Fischer, E. & Haba, P. & Lebbie, A. & Luke, Q. & Macassouba, S. & Ncolan, R. & Williams, S. & Challen, G. & Lebbie, A. & B anks, H. & B arberx, P. & Riina, R. & Etuce M. & Williams S. A. & Feika, A. & Lebbie, A. & Goyder, D. & Tchiencue, B. & Sene, O. & Tchouto, P. & van der B urct, X. & Gosline, G. & Onana, J. M. & Haba, P. K. & Cisse, S. & ____ & Konomou, G. & van der B urct, X. M. & Harvey, Y. B. & Onana, J-M. & Mackinder, B. & Gosline, G. & Onana, J. M. & Achoundonc, G. & Macassouba, S. & Howes, M. R. & Dore, T. & Doumbouya, S. & Molmou, D. & Grall, A. & Couch, C. & Larridon, I. & Molmou, D. & Dore, T. S. & Couch, C. & Yasuda, S. & Gore, C. & Guest, A. & Grall, A. & Larridon, I. & B ousquet, I. H. & Ganatra, B. & Gosline, G. & Molmou, D. & Jennincs, L. & Macassouba, S. & van der B urct, X. & Nic Luchadha, E. & Kirk, P. & Lindon, H. & Carretero, J. & Looney, B. & Douclas, B. & Haelewaters, D. & Gaya, E. & Llewellyn, T. & Ainsworth, M. & Gafforov, Y. & Hyde, K. & Crous, P. & Huches, M. & Walker, B. E. & Forzza, R. C. & Wonc, K. M. & Niskanen, T." box="[545,767,1790,1812]" journalOrPublisher="Plants, People Planet" pageId="24" pageNumber="427" pagination="271 - 288" part="2" refId="ref25277" refString="____, Nic Luchadha, E., Kirk, P., Lindon, H., Carretero, J., Looney, B., Douclas, B., Haelewaters, D., Gaya, E., Llewellyn, T., Ainsworth, M., Gafforov, Y., Hyde, K., Crous, P., Huches, M., Walker, B. E., Forzza, R. C., Wonc, K. M. & Niskanen, T. (2020 b). New scientific discoveries: plants and funci. Plants, People Planet 2: 271 - 288. https: // doi. orc / 10.1002 / ppp 2.10138" title="New scientific discoveries: plants and funci" type="journal article" year="2020">
|
||
Cheek
|
||
<emphasis box="[633,688,1790,1811]" italics="true" pageId="24" pageNumber="427">et al.</emphasis>
|
||
2020b
|
||
</bibRefCitation>
|
||
), joining those already documented narrow and threatened endemics as such
|
||
<taxonomicName box="[484,677,1851,1872]" class="Magnoliopsida" family="Ebenaceae" genus="Diospyros" kingdom="Plantae" order="Ericales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="rabiensis">
|
||
<emphasis box="[484,677,1851,1872]" italics="true" pageId="24" pageNumber="427">Diospyros rabiensis</emphasis>
|
||
</taxonomicName>
|
||
Breteler (Breteler 1993),
|
||
<taxonomicName authority="Heine" authorityName="Heine" box="[398,722,1881,1903]" class="Magnoliopsida" family="Acanthaceae" genus="Whitfieldia" kingdom="Plantae" order="Lamiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="purpurata">
|
||
<emphasis box="[398,635,1881,1903]" italics="true" pageId="24" pageNumber="427">Whitfieldia purpurata</emphasis>
|
||
Heine
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authority="Heine" authorityName="Heine" box="[189,466,1912,1934]" class="Magnoliopsida" family="Acanthaceae" genus="Whitfieldia" kingdom="Plantae" order="Lamiales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="rutilans">
|
||
<emphasis box="[189,385,1912,1933]" italics="true" pageId="24" pageNumber="427">Whitfieldia rutilans</emphasis>
|
||
Heine
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Cheek, M. & Ameka, G. & Cable, S. & Fischer, E. & Haba, P. & Lebbie, A. & Luke, Q. & Macassouba, S. & Ncolan, R. & Williams, S. & Challen, G. & Lebbie, A. & B anks, H. & B arberx, P. & Riina, R. & Etuce M. & Williams S. A. & Feika, A. & Lebbie, A. & Goyder, D. & Tchiencue, B. & Sene, O. & Tchouto, P. & van der B urct, X. & Gosline, G. & Onana, J. M. & Haba, P. K. & Cisse, S. & ____ & Konomou, G. & van der B urct, X. M. & Harvey, Y. B. & Onana, J-M. & Mackinder, B. & Gosline, G. & Onana, J. M. & Achoundonc, G. & Macassouba, S. & Howes, M. R. & Dore, T. & Doumbouya, S. & Molmou, D. & Grall, A. & Couch, C. & Larridon, I. & Molmou, D. & Dore, T. S. & Couch, C. & Yasuda, S. & Gore, C. & Guest, A. & Grall, A. & Larridon, I. & B ousquet, I. H. & Ganatra, B. & Gosline, G. & Molmou, D. & Jennincs, L. & Macassouba, S. & van der B urct, X. & Nic Luchadha, E. & Kirk, P. & Lindon, H. & Carretero, J. & Looney, B. & Douclas, B. & Haelewaters, D. & Gaya, E. & Llewellyn, T. & Ainsworth, M. & Gafforov, Y. & Hyde, K. & Crous, P. & Huches, M. & Walker, B. E. & Forzza, R. C. & Wonc, K. M. & Niskanen, T. & Onana, J. M. & Chapman, H. M. & Pollard, B. & Pollard, B. J. & Darbyshire, I. & Onana, J. - M. & Wild, C. & Poveda, L. L. & Darbyshire, I. & Satabie, B. & Onana, J. - M. & Sene, O. & Ncansop, E. & Tchiencue, B. & van der B urct, X." box="[485,767,1912,1934]" journalOrPublisher="PeerJ" pageId="24" pageNumber="427" pagination="e 10689" part="9" refId="ref25726" refString="____, Tchiencue, B. & van der B urct, X. (2021 a). Taxonomic revision of the threatened African cenus Pseudohydrosme Encl. (Araceae), with P. ebo, a new, critically endancered species from Ebo, Cameroon. PeerJ 9: e 10689 https: // doi. orc / 10.7717 / peerj. 10689." title="Taxonomic revision of the threatened African cenus Pseudohydrosme Encl. (Araceae), with P. ebo, a new, critically endancered species from Ebo, Cameroon" type="journal article" year="2021">Grall & Darbyshire 2021</bibRefCitation>
|
||
), some of which are already extinct such
|
||
<taxonomicName authority="Encl." authorityName="Encl." box="[843,1157,231,253]" class="Liliopsida" family="Araceae" genus="Pseudohydrosme" kingdom="Plantae" order="Alismatales" pageId="24" pageNumber="427" phylum="Tracheophyta" rank="species" species="buettneri">
|
||
<emphasis box="[843,1091,231,252]" italics="true" pageId="24" pageNumber="427">Pseudohydrosme buettneri</emphasis>
|
||
Engl.
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Cheek, M. & Ameka, G. & Cable, S. & Fischer, E. & Haba, P. & Lebbie, A. & Luke, Q. & Macassouba, S. & Ncolan, R. & Williams, S. & Challen, G. & Lebbie, A. & B anks, H. & B arberx, P. & Riina, R. & Etuce M. & Williams S. A. & Feika, A. & Lebbie, A. & Goyder, D. & Tchiencue, B. & Sene, O. & Tchouto, P. & van der B urct, X. & Gosline, G. & Onana, J. M. & Haba, P. K. & Cisse, S. & ____ & Konomou, G. & van der B urct, X. M. & Harvey, Y. B. & Onana, J-M. & Mackinder, B. & Gosline, G. & Onana, J. M. & Achoundonc, G. & Macassouba, S. & Howes, M. R. & Dore, T. & Doumbouya, S. & Molmou, D. & Grall, A. & Couch, C. & Larridon, I. & Molmou, D. & Dore, T. S. & Couch, C. & Yasuda, S. & Gore, C. & Guest, A. & Grall, A. & Larridon, I. & B ousquet, I. H. & Ganatra, B. & Gosline, G. & Molmou, D. & Jennincs, L. & Macassouba, S. & van der B urct, X. & Nic Luchadha, E. & Kirk, P. & Lindon, H. & Carretero, J. & Looney, B. & Douclas, B. & Haelewaters, D. & Gaya, E. & Llewellyn, T. & Ainsworth, M. & Gafforov, Y. & Hyde, K. & Crous, P. & Huches, M. & Walker, B. E. & Forzza, R. C. & Wonc, K. M. & Niskanen, T. & Onana, J. M. & Chapman, H. M. & Pollard, B. & Pollard, B. J. & Darbyshire, I. & Onana, J. - M. & Wild, C. & Poveda, L. L. & Darbyshire, I. & Satabie, B. & Onana, J. - M. & Sene, O. & Ncansop, E. & Tchiencue, B. & van der B urct, X." box="[1172,1375,231,253]" journalOrPublisher="PeerJ" pageId="24" pageNumber="427" pagination="e 10689" part="9" refId="ref25726" refString="____, Tchiencue, B. & van der B urct, X. (2021 a). Taxonomic revision of the threatened African cenus Pseudohydrosme Encl. (Araceae), with P. ebo, a new, critically endancered species from Ebo, Cameroon. PeerJ 9: e 10689 https: // doi. orc / 10.7717 / peerj. 10689." title="Taxonomic revision of the threatened African cenus Pseudohydrosme Encl. (Araceae), with P. ebo, a new, critically endancered species from Ebo, Cameroon" type="journal article" year="2021">
|
||
Cheek
|
||
<emphasis box="[1254,1304,231,253]" italics="true" pageId="24" pageNumber="427">et al.</emphasis>
|
||
2021a
|
||
</bibRefCitation>
|
||
). as
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |