407 lines
52 KiB
XML
407 lines
52 KiB
XML
<document id="8A4F7A5FF44F9C6BC4B2EFCB809987FF" ID-CLB-Dataset="5477" ID-DOI="10.11646/phytotaxa.142.1.2" ID-GBIF-Dataset="1255f184-fe9c-429f-ad6f-4c5d8a9075e7" ID-ISSN="1179-3163" ID-Zenodo-Dep="5099877" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1626233703530" checkinUser="felipe" docAuthor="Wieringa, Jan J., Mackinder, Barbara A. & Van Proosdij, André S. J." docDate="2013" docId="03D69252B16BFFDCFF4CAA67FCC9F945" docLanguage="en" docName="Phytotaxa.142.1.15-24.pdf" docOrigin="Phytotaxa 142 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.142.1.2" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Gabonius ngouniensis Wieringa & Mackinder 2013, comb. nov." docType="treatment" docVersion="6" lastPageNumber="21" masterDocId="FFEFEA2AB169FFDAFFDBAD09FFCAFFC7" masterDocTitle="Gabonius gen. nov. (Leguminosae, Caesalpinioideae, Detarieae), a distant cousin of Hymenostegia endemic to Gabon" masterLastPageNumber="24" masterPageNumber="15" pageNumber="17" updateTime="1699036643409" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="B75613A20D3DA61FB2E97E69B26D0858">Gabonius gen. nov. (Leguminosae, Caesalpinioideae, Detarieae), a distant cousin of Hymenostegia endemic to Gabon</mods:title>
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<mods:namePart id="64A01357726CE02D31275E3713BA3D3E">Wieringa, Jan J.</mods:namePart>
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<mods:affiliation id="575B57BB8D7A8B6D859C647DFDF90ED4">Naturalis Biodiversity Centre (section NHN), Herbarium Vadense, Generaal Foulkesweg 37, 6703 BL Wageningen, The Netherlands Jan. Wieringa @ wur. nl; Andre. vanProosdij @ wur. nl & Biosystematics Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands</mods:affiliation>
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<mods:nameIdentifier id="2F0B12FBE859A89D35AF197776975DB9" type="email">ieringa@wur.nl</mods:nameIdentifier>
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<mods:namePart id="7088A900425CA191E5A73B5DF7A9099F">Mackinder, Barbara A.</mods:namePart>
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<mods:affiliation id="8BB9D7AED98286DF7B1317278939D710">Herbarium, Library, Art and Archives, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AB, United Kingdom B. Mackinder @ kew. org & Tropical Diversity Group, Royal Botanic Gardens, Edinburgh, EH 3 5 LR, United Kingdom</mods:affiliation>
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<mods:namePart id="91B2EE43B59B87F1B87B71D29D954742">Van Proosdij, André S. J.</mods:namePart>
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<mods:affiliation id="FD245974B0CC2745F44472496CA7FEE1">Naturalis Biodiversity Centre (section NHN), Herbarium Vadense, Generaal Foulkesweg 37, 6703 BL Wageningen, The Netherlands Jan. Wieringa @ wur. nl; Andre. vanProosdij @ wur. nl & Biosystematics Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands</mods:affiliation>
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<mods:nameIdentifier id="C48D82156B5AEC4E9C55349225F784E4" type="email">ieringa@wur.nl</mods:nameIdentifier>
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<mods:title id="E441739D6C38653597B459BD4AF6AEAE">Phytotaxa</mods:title>
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<mods:date id="3E3C950989B9F66BEF4E1632FBC29FFD">2013</mods:date>
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<mods:number id="C50D826BFE84AFB9080F278C5AAE7310">142</mods:number>
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<treatment id="03D69252B16BFFDCFF4CAA67FCC9F945" ID-DOI="http://doi.org/10.5281/zenodo.5100197" ID-GBIF-Taxon="183540952" ID-Zenodo-Dep="5100197" LSID="urn:lsid:plazi:treatment:03D69252B16BFFDCFF4CAA67FCC9F945" httpUri="http://treatment.plazi.org/id/03D69252B16BFFDCFF4CAA67FCC9F945" lastPageId="6" lastPageNumber="21" pageId="2" pageNumber="17">
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<subSubSection id="C36570CFB16BFFD8FF4CAA67FBA2F84C" box="[151,1128,1901,1931]" pageId="2" pageNumber="17" type="nomenclature">
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<paragraph id="8BC02344B16BFFD8FF4CAA67FBA2F84C" blockId="2.[151,1436,1901,1995]" box="[151,1128,1901,1931]" pageId="2" pageNumber="17">
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<heading id="D0889428B16BFFD8FF4CAA67FBA2F84C" box="[151,1128,1901,1931]" fontSize="12" level="2" pageId="2" pageNumber="17" reason="4">
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<taxonomicName id="4C7F58C7B16BFFD8FF4CAA67FCA5F84D" ID-CoL="9D5CG" authority="(Pellegr.) Wieringa & Mackinder" authorityName="Wieringa & Mackinder" authorityYear="2013" baseAuthorityName="Wieringa & Mackinder" baseAuthorityYear="1942" box="[151,879,1901,1931]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="2" pageNumber="17" phylum="Tracheophyta" rank="species" species="ngouniensis" status="comb. nov.">
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<emphasis id="B90BFF56B16BFFD8FF4CAA67FE75F84C" bold="true" box="[151,447,1902,1931]" italics="true" pageId="2" pageNumber="17">Gabonius ngouniensis</emphasis>
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(Pellegr.) Wieringa & Mackinder
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</taxonomicName>
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<taxonomicNameLabel id="A238422DB16BFFD8FCADAA67FC35F84D" box="[886,1023,1902,1931]" pageId="2" pageNumber="17" rank="species">
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<emphasis id="B90BFF56B16BFFD8FCADAA67FC3DF84C" box="[886,1015,1902,1931]" italics="true" pageId="2" pageNumber="17">comb. nov</emphasis>
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.
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</taxonomicNameLabel>
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(
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<figureCitation id="13443FC1B16BFFD8FBCAAA64FB91F84C" box="[1041,1115,1901,1931]" captionStart="FIGURE 1" captionStartId="3.[151,246,1155,1176]" captionTargetBox="[337,1257,152,1133]" captionTargetId="figure-384@3.[337,1257,557,1133]" captionTargetPageId="3" captionText="FIGURE 1. Flowering branch of Gabonius ngouniensis (photographs by L.J.G. van der Maesen) with close up of inflorescence (upper) to show petal development, shape and colour in an opened flower." figureDoi="http://doi.org/10.5281/zenodo.5099879" httpUri="https://zenodo.org/record/5099879/files/figure.png" pageId="2" pageNumber="17">Fig. 1</figureCitation>
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)
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</heading>
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</paragraph>
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<subSubSection id="C36570CFB16BFFDEFF4CAA9DFD98FC70" lastPageId="4" lastPageNumber="19" pageId="2" pageNumber="17" type="reference_group">
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<paragraph id="8BC02344B16BFFD8FF4CAA9DFB1AF80C" blockId="2.[151,1436,1901,1995]" pageId="2" pageNumber="17">
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<treatmentCitationGroup id="AB6F046AB16BFFD8FF4CAA9DFB1AF80C" pageId="2" pageNumber="17">
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<treatmentCitation id="0ADE0555B16BFFD8FF4CAA9DFD60F86C" author="Pellegrin, F." box="[151,682,1940,1963]" page=")" pageId="2" pageNumber="17" year="1942">
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<taxonomicName id="4C7F58C7B16BFFD8FF4CAA9DFD60F86C" ID-CoL="3NLH4" authority="Pellegrin (1942: 247)" authorityName="Pellegrin" authorityPageNumber="247" authorityYear="1942" box="[151,682,1940,1963]" class="Magnoliopsida" family="Fabaceae" genus="Hymenostegia" kingdom="Plantae" order="Fabales" pageId="2" pageNumber="17" phylum="Tracheophyta" rank="species" species="ngouniensis">
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<emphasis id="B90BFF56B16BFFD8FF4CAA9DFE7DF86C" box="[151,439,1940,1963]" italics="true" pageId="2" pageNumber="17">Hymenostegia ngouniensis</emphasis>
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<bibRefCitation id="EFEE5EB5B16BFFD8FE64AA9DFD60F86C" author="Pellegrin, F." box="[447,682,1940,1963]" pageId="2" pageNumber="17" pagination="245 - 247" refId="ref8311" refString="Pellegrin, F. (1942) Plantae Letestuanae novae. XXVII. Bulletin de la Societe Botanique de France 89: 245 - 247." type="journal article" year="1942">Pellegrin (1942: 247)</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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||
. Type:—
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<collectingCountry id="F36863D4B16BFFD8FCD6AA9DFCA5F86C" box="[781,879,1940,1963]" name="Gabon" pageId="2" pageNumber="17">GABON</collectingCountry>
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.
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<collectingRegion id="49BBEDA6B16BFFD8FCA0AA9DFC11F86C" box="[891,987,1940,1963]" country="Gabon" name="Ngounie" pageId="2" pageNumber="17">Ngounié</collectingRegion>
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: between Dibwangui and Issala,
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<emphasis id="B90BFF56B16BFFD8FA9AAA9DFF36F80C" italics="true" pageId="2" pageNumber="17">Le Testu 5284</emphasis>
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(
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<typeStatus id="54C49DE6B16BFFD8FED1AABDFEA7F80C" box="[266,365,1972,1995]" pageId="2" pageNumber="17" type="lectotype">lectotype</typeStatus>
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P!, isolectotype: B!, BR, IFAN!, K!),
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<typeStatus id="54C49DE6B16BFFD8FCDEAABDFCADF80C" box="[773,871,1972,1995]" pageId="2" pageNumber="17" type="lectotype">lectotype</typeStatus>
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selected by
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<treatmentCitation id="0ADE0555B16BFFD8FC37AABDFB01F80C" author="Leonard, J." box="[1004,1227,1972,1995]" page="441" pageId="2" pageNumber="17" year="1951">
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<bibRefCitation id="EFEE5EB5B16BFFD8FC37AABDFB01F80C" author="Leonard, J." box="[1004,1227,1972,1995]" pageId="2" pageNumber="17" pagination="373 - 450" refId="ref7608" refString="Leonard, J. (1951) Notulae systematicae 11, Les Cynometra I et les genres voisins en Afrique tropicale. Bulletin du Jardin botanique de l'Etat a Bruxelles 21: 373 - 450. http: // dx. doi. org / 10.2307 / 3666679" type="journal article" year="1951">Léonard (1951: 441)</bibRefCitation>
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</treatmentCitation>
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.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
<caption id="DF0073CCB16AFFD9FF4CA98AFCABFB72" ID-DOI="http://doi.org/10.5281/zenodo.5099879" ID-Zenodo-Dep="5099879" httpUri="https://zenodo.org/record/5099879/files/figure.png" pageId="3" pageNumber="18" startId="3.[151,246,1155,1176]" targetBox="[337,1257,152,1133]" targetPageId="3">
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<paragraph id="8BC02344B16AFFD9FF4CA98AFCABFB72" blockId="3.[151,1436,1155,1205]" pageId="3" pageNumber="18">
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<emphasis id="B90BFF56B16AFFD9FF4CA98AFEDAFB5F" bold="true" box="[151,272,1155,1176]" pageId="3" pageNumber="18">FIGURE 1.</emphasis>
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Flowering branch of
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<taxonomicName id="4C7F58C7B16AFFD9FE30A98AFD03FB5F" ID-CoL="9D5CG" authorityName="Wieringa & Mackinder" authorityYear="2013" baseAuthorityName="Wieringa & Mackinder" baseAuthorityYear="1942" box="[491,713,1155,1176]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="3" pageNumber="18" phylum="Tracheophyta" rank="species" species="ngouniensis">
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<emphasis id="B90BFF56B16AFFD9FE30A98AFD03FB5F" box="[491,713,1155,1176]" italics="true" pageId="3" pageNumber="18">Gabonius ngouniensis</emphasis>
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</taxonomicName>
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(photographs by L.J.G. van der Maesen) with close up of inflorescence (upper) to show petal development, shape and colour in an opened flower.
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</paragraph>
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</caption>
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<paragraph id="8BC02344B16AFFDEFF4CA9F1FD98FC70" blockId="3.[151,1436,1272,2033]" lastBlockId="4.[151,1436,152,1144]" lastPageId="4" lastPageNumber="19" pageId="3" pageNumber="18">
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Shrub, or more commonly a tree 1–20 (–35) m tall, dbh
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<quantity id="4C878EA1B16AFFD9FCF0A9F1FCBEFAD5" box="[811,884,1272,1298]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="3" pageNumber="18" unit="cm" value="25.0">25 cm</quantity>
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(
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<quantity id="4C878EA1B16AFFD9FC5FA9F1FC0AFAD5" box="[900,960,1272,1298]" metricMagnitude="1" metricUnit="m" metricValue="1.2" pageId="3" pageNumber="18" unit="m" value="12.0">12 m</quantity>
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tree)–
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<quantity id="4C878EA1B16AFFD9FBD7A9F1FB9FFAD5" box="[1036,1109,1272,1298]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="3" pageNumber="18" unit="cm" value="40.0">40 cm</quantity>
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(
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<quantity id="4C878EA1B16AFFD9FBBFA9F1FB68FAD5" box="[1124,1186,1272,1298]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="18" unit="m" value="20.0">20 m</quantity>
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tree); bark yellowish grey, or greenish brown, peeling (
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<emphasis id="B90BFF56B16AFFD9FDFCA816FCCBFAFE" box="[551,769,1311,1337]" italics="true" pageId="3" pageNumber="18">J.J. de Wilde 9328</emphasis>
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||
) with lenticels. Slash yellow to ochre, rather fibrous, up to
|
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<quantity id="4C878EA1B16AFFD9FF63A84FFEC7FAA7" box="[184,269,1350,1376]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="3" pageNumber="18" unit="mm" value="12.0">12 mm</quantity>
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||
thick. Sapwood cream-coloured. Twigs reddish brown to dark brown, sparsely to moderately golden-brown puberulous, hairs hooked (only visible at × 100 or greater magnification), lenticels pale. Stipules in pairs, free but touching at base (intrapetiolar), caducous, triangular to ovate, 1–4.5 ×
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||
<quantity id="4C878EA1B16AFFD9FAD3A89AFA5DFA6A" box="[1288,1431,1427,1453]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.5" metricValueMin="0.5" pageId="3" pageNumber="18" unit="mm" value="1.0" valueMax="1.5" valueMin="0.5">0.5–1.5 mm</quantity>
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, golden-brown to white tomentose, especially over the midvein, lateral areas less dense to glabrous, but margin pubescent again, apex acute. Bud scales absent. Leaves paripinnate, (2–)5–7-jugate, most commonly with 5 or 6 leaflet pairs spaced widely along the rachis, the distance between nodes exceeding the width of the leaflets borne at the nodes, lower pairs smaller than upper pairs, distal or penultimate pair the largest; petiole
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<quantity id="4C878EA1B16AFFD9FA9FAB27FF71F9A9" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="2.1" metricValueMin="0.6" pageId="3" pageNumber="18" unit="cm" value="1.35" valueMax="2.1" valueMin="0.6">0.6–2.1 cm</quantity>
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||
long, rachis
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||
<quantity id="4C878EA1B16AFFD9FE88AB5DFE2FF9A9" box="[339,485,1620,1646]" metricMagnitude="-2" metricUnit="m" metricValue="7.25" metricValueMax="12.8" metricValueMin="1.7" pageId="3" pageNumber="18" unit="cm" value="7.25" valueMax="12.8" valueMin="1.7">1.7–12.8 cm</quantity>
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||
long, striate, moderately golden-brown puberulous, hairs hooked (only visible at × 100 or greater magnification), leaflets subsessile, narrowly elliptic to elliptic, ovate to sub-rhombate, falcate, upper leaflet pair 3.1–12.2 ×
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||
<quantity id="4C878EA1B16AFFD9FD92ABABFD1AF97B" box="[585,720,1698,1724]" metricMagnitude="-2" metricUnit="m" metricValue="3.5" metricValueMax="5.6" metricValueMin="1.4" pageId="3" pageNumber="18" unit="cm" value="3.5" valueMax="5.6" valueMin="1.4">1.4–5.6 cm</quantity>
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, adaxial surface glabrous, abaxial surface mostly glabrous or sparsely hairy, patch of hairs sometimes present at the base, margins often ciliate towards the base, mid-vein sub-central, the proximal half of the leaflet slightly larger, distal margin sometimes angular, proximal margin usually rounded, apex acuminate, base asymmetric, proximal half with 0–4 glands, distal half with 4–17 glands, the lowest numbers in the basal leaflets. Inflorescence a lax 7–18-flowered terminal or axillary raceme, sometimes branching once near base or two inflorescence axes arising at the same point, axis
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<quantity id="4C878EA1B16AFFD9FA90AA6AFF71F863" metricMagnitude="-1" metricUnit="m" metricValue="1.125" metricValueMax="1.5" metricValueMin="0.75" pageId="3" pageNumber="18" unit="cm" value="11.25" valueMax="15.0" valueMin="7.5">7.5–15 cm</quantity>
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long, including peduncle
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||
<quantity id="4C878EA1B16AFFD9FE37AA83FD90F863" box="[492,602,1930,1956]" metricMagnitude="-2" metricUnit="m" metricValue="3.25" metricValueMax="5.0" metricValueMin="1.5" pageId="3" pageNumber="18" unit="cm" value="3.25" valueMax="5.0" valueMin="1.5">1.5–5 cm</quantity>
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long, moderately golden brown puberulous, hairs hooked (only visible at × 100 or greater magnification), bracts caducous, not seen in herbarium, pale green when young (
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<emphasis id="B90BFF56B16AFFD9FAEBAAB9FF18F836" italics="true" pageId="3" pageNumber="18">Wieringa 2413</emphasis>
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||
); pedicel
|
||
<quantity id="4C878EA1B16AFFD9FE90AADEFE06F836" box="[331,460,2007,2033]" metricMagnitude="-2" metricUnit="m" metricValue="2.1" metricValueMax="2.7" metricValueMin="1.5" pageId="3" pageNumber="18" unit="mm" value="21.0" valueMax="27.0" valueMin="15.0">15–27 mm</quantity>
|
||
long (at anthesis), moderately puberulous, hairs hooked (only visible at × 100 or greater magnification); bracteoles opposite, persistent, borne at the apex of the pedicel, directly below the hypanthium, petaloid, broadly ovate, 8–20 ×
|
||
<quantity id="4C878EA1B16DFFDEFD7DADB7FCDDFF1F" box="[678,791,190,216]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="1.3" metricValueMin="0.7" pageId="4" pageNumber="19" unit="mm" value="10.0" valueMax="13.0" valueMin="7.0">7–13 mm</quantity>
|
||
, when mature white or pinkish, deep red or purple spot at base, sometimes red-veined and with red or pale purplish margins, puberulous on both surfaces, more densely in the central area of the abaxial surface, margins ciliate; hypanthium
|
||
<quantity id="4C878EA1B16DFFDEFBEFAC05FB5CFEE1" box="[1076,1174,268,294]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="9.0" metricValueMin="6.0" pageId="4" pageNumber="19" unit="mm" value="7.5" valueMax="9.0" valueMin="6.0">6–9 mm</quantity>
|
||
long, inside glabrous, outside glabrous or with some sparse hairs. Sepals pink, reddish brown, greenish purple outside, brownish green or purple brown inside, reflexed after anthesis, slightly longer than the hypanthium, puberulous towards the base on the inside, otherwise glabrous. Petals 5, glabrous, adaxial and lateral ones similar in size, 10–13 ×
|
||
<quantity id="4C878EA1B16DFFDEFF4CACAFFF37FE07" box="[151,253,422,448]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="4" pageNumber="19" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5–6 mm</quantity>
|
||
, yellow with white lower margins, a small purple basal-central spot and a pale claw when first in flower, turning red with age, claw of lateral petals very narrow, abaxial petals smaller, c. 4 ×
|
||
<quantity id="4C878EA1B16DFFDEFB26ACC4FA8FFE20" box="[1277,1349,461,487]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="19" unit="mm" value="1.0">1 mm</quantity>
|
||
, white. Stamens 10, filaments white or pink, free, anthers deep cream, pale pinkish or purplish brown, connective purple-grey (
|
||
<emphasis id="B90BFF56B16DFFDEFEE3AF13FE26FDF3" box="[312,492,538,564]" italics="true" pageId="4" pageNumber="19">Wieringa 4493</emphasis>
|
||
). Ovary 2–3 ovulate, stipitate, the stipe fused along most of its length to the adaxial sidewall of the hypanthium, green, orange-red or brownish with dark red sutures, hairs c.
|
||
<quantity id="4C878EA1B16DFFDEFAEAAF48FA56FD9C" box="[1329,1436,577,603]" metricMagnitude="-4" metricUnit="m" metricValue="7.5" pageId="4" pageNumber="19" unit="mm" value="0.75">0.75 mm</quantity>
|
||
long, white, sparse on the faces but dense along the margins, the marginal hairs persisting into young fruit and extending along the lower half of the style, stigma peltate, pistil white or greenish-white. Pod compressed, glabrous, dull greyish green or greenish blue outside, light brown to medium brown inside, 23–28 ×
|
||
<quantity id="4C878EA1B16DFFDEFA98AFBCFF74FD31" metricMagnitude="-2" metricUnit="m" metricValue="7.65" metricValueMax="8.8" metricValueMin="6.5" pageId="4" pageNumber="19" unit="cm" value="7.65" valueMax="8.8" valueMin="6.5">6.5–8.8 cm</quantity>
|
||
, trapeziform, broadest (“height”) about one-third distance from the apex, lower margin rounded, upper suture not broadened into wings, beak c.
|
||
<quantity id="4C878EA1B16DFFDEFDA7AE0BFD0AFCDB" box="[636,704,770,796]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="4" pageNumber="19" unit="mm" value="5.0">5 mm</quantity>
|
||
long on immature pods, remnant of base only seen on mature pods, valves revolute after dehiscence. Seeds 1–2, discoid, c.
|
||
<quantity id="4C878EA1B16DFFDEFC57AE20FC02FC84" box="[908,968,809,835]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="4" pageNumber="19" unit="cm" value="3.0">3 cm</quantity>
|
||
diameter (
|
||
<emphasis id="B90BFF56B16DFFDEFB95AE20FAC8FC84" box="[1102,1282,809,835]" italics="true" pageId="4" pageNumber="19">Wieringa 4493</emphasis>
|
||
). Seedlings: (based on
|
||
<emphasis id="B90BFF56B16DFFDEFECBAE59FDD2FCAD" box="[272,536,848,874]" italics="true" pageId="4" pageNumber="19">J.J.F.E. de Wilde 9329</emphasis>
|
||
), first leaf pair opposite, possibly reduced (see notes), subsequent leaves are alternate, leaflets sessile, glabrous, in 2–4 pairs, largest leaflets at apex of the leaf 60–72 ×
|
||
<quantity id="4C878EA1B16DFFDEFB03AE7FFA91FC57" box="[1240,1371,886,912]" metricMagnitude="-2" metricUnit="m" metricValue="2.15" metricValueMax="2.5" metricValueMin="1.8" pageId="4" pageNumber="19" unit="mm" value="21.5" valueMax="25.0" valueMin="18.0">18–25 mm</quantity>
|
||
, very similar in appearance to adult foliage.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36570CFB16DFFDEFF1DAECDFEB5FBEC" pageId="4" pageNumber="19" type="description">
|
||
<paragraph id="8BC02344B16DFFDEFF1DAECDFEB5FBEC" blockId="4.[151,1436,152,1144]" pageId="4" pageNumber="19">
|
||
<emphasis id="B90BFF56B16DFFDEFF1DAECDFE02FC19" bold="true" box="[198,456,964,990]" pageId="4" pageNumber="19">Habitat and Ecology</emphasis>
|
||
:—Primary and secondary evergreen forest: elevation sea level–
|
||
<specimenCount id="9D79E8CDB16DFFDEFB63AECDFAC0FC19" box="[1208,1290,964,990]" pageId="4" pageNumber="19" type="generic">
|
||
<quantity id="4C878EA1B16DFFDEFB63AECDFACCFC19" box="[1208,1286,964,990]" metricMagnitude="2" metricUnit="m" metricValue="5.1" pageId="4" pageNumber="19" unit="m" value="510.0">510 m</quantity>
|
||
.
|
||
</specimenCount>
|
||
Populations seem to flower synchronously (
|
||
<emphasis id="B90BFF56B16DFFDEFDFEAEE3FD21FBC3" box="[549,747,1002,1028]" italics="true" pageId="4" pageNumber="19">van der Burgt 1</emphasis>
|
||
), flowering recorded from November to July but most commonly in April.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36570CFB16DFFDCFF1DA931FCC9F945" lastPageId="6" lastPageNumber="21" pageId="4" pageNumber="19" type="distribution">
|
||
<paragraph id="8BC02344B16DFFDEFF1DA931FBA7FBBF" blockId="4.[151,1436,152,1144]" pageId="4" pageNumber="19">
|
||
<emphasis id="B90BFF56B16DFFDEFF1DA931FE95FB95" bold="true" box="[198,351,1080,1106]" pageId="4" pageNumber="19">Distribution</emphasis>
|
||
:—Endemic to
|
||
<collectingCountry id="F36863D4B16DFFDEFDC1A931FDA1FB95" box="[538,619,1080,1106]" name="Gabon" pageId="4" pageNumber="19">Gabon</collectingCountry>
|
||
, occurring in the western part of the country from the border with
|
||
<collectingCountry id="F36863D4B16DFFDEFF4CA957FEA6FBBF" box="[151,364,1118,1144]" name="Equatorial Guinea" pageId="4" pageNumber="19">Equatorial Guinea</collectingCountry>
|
||
in the north to that with
|
||
<collectingCountry id="F36863D4B16DFFDEFD54A957FCB4FBBF" box="[655,894,1118,1144]" name="Republic of the Congo" pageId="4" pageNumber="19">Congo (Brazzaville)</collectingCountry>
|
||
in the south (fig. 2).
|
||
</paragraph>
|
||
<caption id="DF0073CCB16DFFDEFF4CAAD5FD48F836" box="[151,642,2012,2033]" pageId="4" pageNumber="19" startId="4.[151,244,2012,2033]">
|
||
<paragraph id="8BC02344B16DFFDEFF4CAAD5FD48F836" blockId="4.[151,642,2012,2033]" box="[151,642,2012,2033]" pageId="4" pageNumber="19">
|
||
<emphasis id="B90BFF56B16DFFDEFF4CAAD5FECCF836" bold="true" box="[151,262,2012,2033]" pageId="4" pageNumber="19">FIGURE 2</emphasis>
|
||
. Distribution of
|
||
<taxonomicName id="4C7F58C7B16DFFDEFE7DAAD5FDB6F836" authorityName="Wieringa & Mackinder" authorityYear="2013" baseAuthorityName="Wieringa & Mackinder" baseAuthorityYear="1942" box="[422,636,2012,2033]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="4" pageNumber="19" phylum="Tracheophyta" rank="species" species="ngouniensis">
|
||
<emphasis id="B90BFF56B16DFFDEFE7DAAD5FDB6F836" box="[422,636,2012,2033]" italics="true" pageId="4" pageNumber="19">Gabonius ngouniensis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC02344B16CFFDFFF1DAD91FDB5FB01" blockId="5.[151,1436,152,2001]" pageId="5" pageNumber="20">
|
||
Since we have chosen to name this genus after
|
||
<collectingCountry id="F36863D4B16CFFDFFCDEAD91FC9CFF75" box="[773,854,152,178]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
, we decided to test the likelihood that the taxon distribution is indeed limited to
|
||
<collectingCountry id="F36863D4B16CFFDFFDD5ADB7FDAAFF1F" box="[526,608,190,216]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
. To assess this we generated a Species Distribution Model (SDM). For generating SDM’s based on presence-only data as in this case, MaxEnt has been documented to outperform other methods (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFEB9AC05FD8AFEE1" author="Elith, J. & Graham, C. H. & Anderson, R. P. & Dudik, M. & Ferrier, S. & Guisan, A. & Hijmans, R. J. & Huettmann, F. & Leathwick, J. R. & Lehmann, A. & Li, J. & Lohmann, L. G. & Loiselle, B. A. & Manion, G. & Moritz, C. & Nakamura, M. & Nakazawa, Y. & Overton, J. M. & Peterson, A. T. & Phillips, S. J. & Richardson, K. & Scachetti-Pereira, R. & Schapire, R. E. & Soberon, J. & Williams, S. & Wisz, M. S. & Zimmermann, N. E." box="[354,576,268,294]" pageId="5" pageNumber="20" pagination="129 - 151" refId="ref7232" refString="Elith, J., Graham, C. H., Anderson, R. P., Dudik, M., Ferrier, S., Guisan, A., Hijmans, R. J., Huettmann, F., Leathwick, J. R., Lehmann, A., Li, J., Lohmann, L. G., Loiselle, B. A., Manion, G., Moritz, C., Nakamura, M., Nakazawa, Y., Overton, J. M., Peterson, A. T., Phillips, S. J., Richardson, K., Scachetti-Pereira, R., Schapire, R. E., Soberon, J., Williams, S., Wisz, M. S. & Zimmermann, N. E. (2006) Novel methods improve prediction of species' distributions from occurrence data. Ecography, 29: 129 - 151. http: // dx. doi. org / 10.1111 / j. 2006.0906 - 7590.04596. x" type="journal article" year="2006">
|
||
Elith
|
||
<emphasis id="B90BFF56B16CFFDFFE75AC05FE3AFEE1" box="[430,496,268,294]" italics="true" pageId="5" pageNumber="20">et al.</emphasis>
|
||
2006
|
||
</bibRefCitation>
|
||
). As the foreseen distribution is limited to
|
||
<collectingCountry id="F36863D4B16CFFDFFBACAC05FB00FEE1" box="[1143,1226,268,294]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
and possibly to neighbouring countries, we used a 30 arc-sec resolution and applied the analysis to a study area ranging from
|
||
<geoCoordinate id="EE4B4583B16CFFDFFF4CAC50FF07FEB4" box="[151,205,345,371]" degrees="8" direction="north" orientation="latitude" pageId="5" pageNumber="20" precision="55555" value="8.0">8º N</geoCoordinate>
|
||
to
|
||
<geoCoordinate id="EE4B4583B16CFFDFFF2CAC50FEE2FEB4" box="[247,296,345,371]" degrees="8" direction="south" orientation="latitude" pageId="5" pageNumber="20" precision="55555" value="-8.0">8º S</geoCoordinate>
|
||
and from 6 to
|
||
<geoCoordinate id="EE4B4583B16CFFDFFE3AAC50FDEDFEB4" box="[481,551,345,371]" degrees="24" direction="east" orientation="longitude" pageId="5" pageNumber="20" precision="55555" value="24.0">24º E</geoCoordinate>
|
||
, thus roughly encompassing the countries of
|
||
<collectingCountry id="F36863D4B16CFFDFFB8FAC50FB6DFEB4" box="[1108,1191,345,371]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
,
|
||
<collectingCountry id="F36863D4B16CFFDFFB6EAC50FA52FEB4" box="[1205,1432,345,371]" name="Equatorial Guinea" pageId="5" pageNumber="20">Equatorial Guinea</collectingCountry>
|
||
,
|
||
<collectingCountry id="F36863D4B16CFFDFFF4CAC89FED1FE5D" box="[151,283,384,410]" name="Cameroon" pageId="5" pageNumber="20">Cameroon</collectingCountry>
|
||
,
|
||
<collectingCountry id="F36863D4B16CFFDFFEF1AC89FD7DFE5D" box="[298,695,384,410]" name="Democratic Republic of the Congo" pageId="5" pageNumber="20">Democratic Republic of Congo</collectingCountry>
|
||
, and
|
||
<collectingCountry id="F36863D4B16CFFDFFD27AC89FBDBFE5D" box="[764,1041,384,410]" name="Sao Tome and Principe" pageId="5" pageNumber="20">Sao Tomé & Principe</collectingCountry>
|
||
. The collecting localities of all herbarium vouchers examined in this study were used as input species data. Environmental layers used for model building and projection include 19 BIOCLIM variables (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFCA4ACC4FBA7FE20" author="Hijmans, R. J. & Cameron, S. E. & Parra, J. L. & Jones, P. G. & Jarvis, A." box="[895,1133,461,487]" pageId="5" pageNumber="20" pagination="1965 - 1978" refId="ref7513" refString="Hijmans, R. J., Cameron, S. E., Parra, J. L., Jones, P. G. & Jarvis, A. (2005) Very high resolution interpolated climate surfaces for global land areas. International Journal of Climatology 25: 1965 - 1978. http: // dx. doi. org / 10.1002 / joc. 1276" type="journal article" year="2005">
|
||
Hijmans
|
||
<emphasis id="B90BFF56B16CFFDFFC37ACC4FBEDFE20" box="[1004,1063,461,487]" italics="true" pageId="5" pageNumber="20">et al.</emphasis>
|
||
2005
|
||
</bibRefCitation>
|
||
). In addition, the range as well as standard deviation of altitude based on SRTM DEM 90 ×
|
||
<quantity id="4C878EA1B16CFFDFFBC0ACFDFB97FDC9" box="[1051,1117,500,526]" metricMagnitude="1" metricUnit="m" metricValue="9.0" pageId="5" pageNumber="20" unit="m" value="90.0">90 m</quantity>
|
||
data, obtained through (<srtm.csi.cgiar.org>, accessed
|
||
<date id="FFC10584B16CFFDFFDD3AF13FD5BFDF3" box="[520,657,538,564]" pageId="5" pageNumber="20" value="2011-10-07">07-10-2011</date>
|
||
) within each grid cell was calculated and added as variables to act as a proxy for ruggedness of the landscape. Finally, soil parameters of the dominant soil
|
||
<typeStatus id="54C49DE6B16CFFDFFB7FAF48FB1CFD9C" box="[1188,1238,577,603]" pageId="5" pageNumber="20">type</typeStatus>
|
||
within each grid cell were extracted from the Harmonised World Soil Database (<http://webarchive.iiasa.ac.at/Research/LUC/ External-World-soil-database/HTML/index.html?sb=1> accessed
|
||
<date id="FFC10584B16CFFDFFC6EAF87FB8DFD6F" box="[949,1095,654,680]" pageId="5" pageNumber="20" value="2012-08-16">16-08-2012</date>
|
||
). Environmental parameters were checked for multi-collinearity separately for climatic and altitude data as well as for soil data. To avoid overfitting and errors due to multi-collinearity, only uncorrelated parameters were used for model building (Pearson r <0.65 or Spearman Rho <0.65). This resulted in the selection of the following parameters: temperature annual range (BIO7), mean temperature of coldest quarter (BIO11), annual precipitation (BIO12), precipitation seasonality (BIO15), precipitation of warmest quarter (BIO18), precipitation of coldest quarter (BIO19), altitude range (DEM-range), available water capacity range (AWC_CLASS, categorical variable), topsoil bulk density (T_BULK_DENSITY), topsoil calcium carbonate (T_CACO3), topsoil salinity (T_ECE), topsoil sodicity (T_ESP), topsoil gravel content (T_GRAVEL), topsoil organic carbon (T_OC), topsoil pH H2O (T_
|
||
<collectingCountry id="F36863D4B16CFFDFFE52AEE3FE78FBC3" box="[393,434,1002,1028]" name="Philippines" pageId="5" pageNumber="20">PH</collectingCountry>
|
||
_H2O), topsoil sand fraction (T_SAND), topsoil base saturation (T_BS) and topsoil cation exchange capacity of the clay fraction (T_CEC_CLAY, categorical variable). Models were built using MaxEnt V.3.3.3.k (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFE5DA931FDB1FB95" author="Phillips, S. J. & Dudik, M. & Schapire, R. E." box="[390,635,1080,1106]" pageId="5" pageNumber="20" pagination="655 - 662" refId="ref8442" refString="Phillips, S. J., Dudik, M. & Schapire, R. E. (2004) A maximum entropy approach to species distribution modeling. In: Proceedings of the Twenty-First International Conference on Machine Learning. AMC Press, New York, pp. 655 - 662." type="book chapter" year="2004">
|
||
Phillips
|
||
<emphasis id="B90BFF56B16CFFDFFE29A931FDFBFB95" box="[498,561,1080,1106]" italics="true" pageId="5" pageNumber="20">et al.</emphasis>
|
||
2004
|
||
</bibRefCitation>
|
||
) applying the default features. In addition a presence / absence distribution map was generated applying a 10 percentile trainings threshold, meaning that 10% of the training locations are allowed to fall outside the predicted distribution, which is assumed to correct for errors in identification and estimation of locations.
|
||
</paragraph>
|
||
<paragraph id="8BC02344B16CFFDFFF1DA9DAFC76F9A8" blockId="5.[151,1436,152,2001]" pageId="5" pageNumber="20">
|
||
The final model was generated using 41 presence records; the result is shown in fig. 3. The Area Under the Curve (AUC) of our model has a value of 0.990, which lies well above the critical threshold of 0.7. As the use of AUC has been highly criticised (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFDABA829FCAEFAFD" author="Peterson, A. T. & Papes, M. & Soberon, J." box="[624,868,1312,1338]" pageId="5" pageNumber="20" pagination="63 - 72" refId="ref8388" refString="Peterson, A. T., Papes, M. & Soberon, J. (2008) Rethinking receiver operating characteristic analysis applications in ecological niche modeling. Ecological Modelling 213: 63 - 72. http: // dx. doi. org / 10.1016 / j. ecolmodel. 2007.11.008" type="journal article" year="2008">
|
||
Peterson
|
||
<emphasis id="B90BFF56B16CFFDFFD3BA829FCD7FAFD" box="[736,797,1312,1338]" italics="true" pageId="5" pageNumber="20">et al.</emphasis>
|
||
2008
|
||
</bibRefCitation>
|
||
), we also tested the model against a null model (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFF44A84FFE03FAA7" author="Raes, N. & Ter Steege, H." box="[159,457,1350,1376]" pageId="5" pageNumber="20" pagination="727 - 736" refId="ref8496" refString="Raes, N. & Ter Steege, H. (2007) A null-model for significance testing of presence-only species distribution models. Ecography 30: 727 - 736. http: // dx. doi. org / 10.1111 / j. 2007.0906 - 7590.05041. x" type="journal article" year="2007">Raes & Ter Steege 2007</bibRefCitation>
|
||
) resulting in a rank number of 100 (out of 100) clearly indicating that the model performs significantly better than random. Based on the predicted potential distribution,
|
||
<taxonomicName id="4C7F58C7B16CFFDFFB61A864FAE7FA40" authorityName="Wieringa & Mackinder & Van Proosdij" authorityYear="2013" box="[1210,1325,1389,1415]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="B90BFF56B16CFFDFFB61A864FAE7FA40" box="[1210,1325,1389,1415]" italics="true" pageId="5" pageNumber="20">Gabonius</emphasis>
|
||
</taxonomicName>
|
||
is nearly endemic for the country of
|
||
<collectingCountry id="F36863D4B16CFFDFFE0CA89DFDE3FA69" box="[471,553,1428,1454]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
. The predicted presence on
|
||
<collectingCountry id="F36863D4B16CFFDFFCABA89DFC22FA69" box="[880,1000,1428,1454]" name="Sao Tome and Principe" pageId="5" pageNumber="20">Sao Tomé</collectingCountry>
|
||
, as displayed in fig. 3, is not realistic as
|
||
<collectingCountry id="F36863D4B16CFFDFFF60A8B2FEF2FA12" box="[187,312,1467,1493]" name="Sao Tome and Principe" pageId="5" pageNumber="20">Sao Tomé</collectingCountry>
|
||
is a non-continental island located approx.
|
||
<quantity id="4C878EA1B16CFFDFFCB5A8B2FC04FA12" box="[878,974,1467,1493]" metricMagnitude="5" metricUnit="m" metricValue="2.5" pageId="5" pageNumber="20" unit="km" value="250.0">250 km</quantity>
|
||
off the coastline of
|
||
<collectingCountry id="F36863D4B16CFFDFFB0FA8B2FAECFA12" box="[1236,1318,1467,1493]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
which is impossible to reach for a species with explosive seed dispersal like
|
||
<taxonomicName id="4C7F58C7B16CFFDFFC15A8E8FB10FA3C" authorityName="Wieringa & Mackinder" authorityYear="2013" baseAuthorityName="Wieringa & Mackinder" baseAuthorityYear="1942" box="[974,1242,1505,1531]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="species" species="ngouniensis">
|
||
<emphasis id="B90BFF56B16CFFDFFC15A8E8FB10FA3C" box="[974,1242,1505,1531]" italics="true" pageId="5" pageNumber="20">Gabonius ngouniensis</emphasis>
|
||
</taxonomicName>
|
||
. Moreover, this island is of volcanic origin, with phosphorus-rich soils, which in general are not favourable for
|
||
<taxonomicName id="4C7F58C7B16CFFDFFAD1AB01FAB1F9E5" baseAuthorityName="Leonard" baseAuthorityYear="1957" box="[1290,1403,1544,1570]" class="Magnoliopsida" family="Fabaceae" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="tribe" tribe="Detarieae">Detarieae</taxonomicName>
|
||
as discussed above. The only place where
|
||
<taxonomicName id="4C7F58C7B16CFFDFFDA7AB27FD3BF98F" authorityName="Wieringa & Mackinder & Van Proosdij" authorityYear="2013" box="[636,753,1582,1608]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="B90BFF56B16CFFDFFDA7AB27FD3BF98F" box="[636,753,1582,1608]" italics="true" pageId="5" pageNumber="20">Gabonius</emphasis>
|
||
</taxonomicName>
|
||
might occur outside of
|
||
<collectingCountry id="F36863D4B16CFFDFFBCCAB27FBADF98F" box="[1047,1127,1582,1608]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
is just over the border in
|
||
<collectingCountry id="F36863D4B16CFFDFFF4CAB5CFEBAF9A8" box="[151,368,1621,1647]" name="Equatorial Guinea" pageId="5" pageNumber="20">Equatorial Guinea</collectingCountry>
|
||
; so far the species has not been found in that area.
|
||
</paragraph>
|
||
<paragraph id="8BC02344B16CFFDFFF1DAB76FCA1F92E" blockId="5.[151,1436,152,2001]" pageId="5" pageNumber="20">
|
||
<emphasis id="B90BFF56B16CFFDFFF1DAB76FEA4F95E" bold="true" box="[198,366,1663,1689]" pageId="5" pageNumber="20">Conservation</emphasis>
|
||
:—
|
||
<taxonomicName id="4C7F58C7B16CFFDFFE48AB76FD50F95E" authorityName="Wieringa & Mackinder" authorityYear="2013" baseAuthorityName="Wieringa & Mackinder" baseAuthorityYear="1942" box="[403,666,1663,1689]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="species" species="ngouniensis">
|
||
<emphasis id="B90BFF56B16CFFDFFE48AB76FD50F95E" box="[403,666,1663,1689]" italics="true" pageId="5" pageNumber="20">Gabonius ngouniensis</emphasis>
|
||
</taxonomicName>
|
||
is widespread in
|
||
<collectingCountry id="F36863D4B16CFFDFFCB6AB76FC71F95E" box="[877,955,1663,1689]" name="Gabon" pageId="5" pageNumber="20">Gabon</collectingCountry>
|
||
with an A00 of
|
||
<quantity id="4C878EA1B16CFFDFFB59AB76FB33F95E" box="[1154,1273,1663,1689]" metricMagnitude="7" metricUnit="m" metricValue="3.8137" pageId="5" pageNumber="20" unit="km" value="38137.0">38137 km</quantity>
|
||
<superScript id="7C0A8E0CB16CFFDFFB21AB72FAC8F94E" attach="left" box="[1274,1282,1659,1673]" fontSize="6" pageId="5" pageNumber="20">2</superScript>
|
||
(cell size
|
||
<quantity id="4C878EA1B16CFFDFFAA4AB76FF74F905" metricMagnitude="4" metricUnit="m" metricValue="4.6" pageId="5" pageNumber="20" unit="km" value="46.0">46 km</quantity>
|
||
) and an E00 of
|
||
<quantity id="4C878EA1B16CFFDFFEA6ABA1FE3EF905" box="[381,500,1704,1730]" metricMagnitude="7" metricUnit="m" metricValue="7.2299999999999995" pageId="5" pageNumber="20" unit="km" value="72300.0">72300 km</quantity>
|
||
<superScript id="7C0A8E0CB16CFFDFFE2FABACFE36F974" attach="left" box="[500,508,1701,1715]" fontSize="6" pageId="5" pageNumber="20">2</superScript>
|
||
and occurs within the borders of several National Parks. It is assessed here as Least Concern (LC) according to the criteria of
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFD1DABC6FCADF92E" author="IUCN & Cambridge, UK" box="[710,871,1743,1769]" pageId="5" pageNumber="20" refId="ref7583" refString="IUCN. (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN, Gland, Switzerland and Cambridge, UK." type="book" year="2001">IUCN (2001)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BC02344B16CFFDCFF1DABFFFD6FFE8B" blockId="5.[151,1436,152,2001]" lastBlockId="6.[151,1436,152,332]" lastPageId="6" lastPageNumber="21" pageId="5" pageNumber="20">
|
||
<emphasis id="B90BFF56B16CFFDFFF1DABFFFEC6F8D7" bold="true" box="[198,268,1782,1808]" pageId="5" pageNumber="20">Notes</emphasis>
|
||
:—Small scars observed on the seedling axis suggest the abscission of a reduced first pair of opposite leaves. At the point of abscission, the epicotyl continues without any signs of transformation into a first stem, suggesting growth is not paused when the reduced first pair of leaves appears. As such this represents a transition between two commonly observed seedling morphologies in
|
||
<taxonomicName id="4C7F58C7B16CFFDFFBBEAA63FA52F843" authority="(Leonard 1957)" baseAuthorityName="Leonard" baseAuthorityYear="1957" box="[1125,1432,1898,1924]" class="Magnoliopsida" family="Fabaceae" kingdom="Plantae" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="tribe" tribe="Detarieae">
|
||
Detarieae (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDFFB3EAA63FA45F843" author="Leonard, J." box="[1253,1423,1898,1924]" pageId="5" pageNumber="20" pagination="1 - 314" refId="ref7656" refString="Leonard, J. (1957) Genera des Cynometreae et des Amherstieae africaines, Leguminosae-Caesalpinioideae. Essai de blastogenie appliquee a la systematique. Memoires de l'Academie royale Belgique (Classe des Sciences) 30 (2): 1 - 314." type="journal article" year="1957">Léonard 1957</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. They are (i) seedlings that possess a clear epicotyl and an opposite first leaf pair indicating a pause in growth while this first pair fully develops, for example
|
||
<taxonomicName id="4C7F58C7B16CFFDCFD16AABEFEF0FF75" authority="Mackinder & Wieringa (Mackinder et al. 2011: 411)" class="Magnoliopsida" family="Fabaceae" genus="Talbotiella" kingdom="Plantae" lastPageId="6" lastPageNumber="21" order="Fabales" pageId="5" pageNumber="20" phylum="Tracheophyta" rank="species" species="korupensis">
|
||
<emphasis id="B90BFF56B16CFFDFFD16AABEFC19F816" box="[717,979,1975,2001]" italics="true" pageId="5" pageNumber="20">Talbotiella korupensis</emphasis>
|
||
Mackinder & Wieringa (
|
||
<bibRefCitation id="EFEE5EB5B16CFFDCFB26AABEFEF8FF75" author="Mackinder, B. A. & Wieringa, J. J. & Burgt, X. M. van der" lastPageId="6" lastPageNumber="21" pageId="5" pageNumber="20" pagination="401 - 420" refId="ref7940" refString="Mackinder, B. A., Wieringa, J. J. & Burgt, X. M. van der, (2011) A revision of the genus Talbotiella Baker f. (Caesalpinioideae: Leguminosae). Kew Bulletin 65: 401 - 420. http: // dx. doi. org / 10.1007 / s 12225 - 010 - 9217 - 0" type="journal article" year="2011">
|
||
Mackinder
|
||
<emphasis id="B90BFF56B16CFFDCFA5CAABEFF7FFF75" italics="true" lastPageId="6" lastPageNumber="21" pageId="5" pageNumber="20">et al.</emphasis>
|
||
2011: 411
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and (ii) seedlings that immediately start producing a shoot with alternative leaves, for example
|
||
<taxonomicName id="4C7F58C7B16FFFDCFF4CADB7FEF8FF1F" authorityName="Mackinder & Wieringa" authorityYear="2013" baseAuthorityName="Oliver" baseAuthorityYear="1871" box="[151,306,190,216]" class="Magnoliopsida" family="Fabaceae" genus="Annea" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="6" pageNumber="21" phylum="Tracheophyta" rank="species" species="afzelii">
|
||
<emphasis id="B90BFF56B16FFFDCFF4CADB7FEF8FF1F" box="[151,306,190,216]" italics="true" pageId="6" pageNumber="21">Annea afzelii</emphasis>
|
||
</taxonomicName>
|
||
. This apparent presence of a reduced first leaf pair in
|
||
<taxonomicName id="4C7F58C7B16FFFDCFC66ADB7FBFAFF1F" authorityName="Wieringa & Mackinder & Van Proosdij" authorityYear="2013" box="[957,1072,190,216]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="6" pageNumber="21" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="B90BFF56B16FFFDCFC66ADB7FBFAFF1F" box="[957,1072,190,216]" italics="true" pageId="6" pageNumber="21">Gabonius</emphasis>
|
||
</taxonomicName>
|
||
seedlings represents a (so far) unique morphology in
|
||
<taxonomicName id="4C7F58C7B16FFFDCFE73ADECFDD7FF38" baseAuthorityName="Leonard" baseAuthorityYear="1957" box="[424,541,229,255]" class="Magnoliopsida" family="Fabaceae" kingdom="Plantae" order="Fabales" pageId="6" pageNumber="21" phylum="Tracheophyta" rank="tribe" tribe="Detarieae">Detarieae</taxonomicName>
|
||
. Functionally we consider the seedlings to belong to
|
||
<typeStatus id="54C49DE6B16FFFDCFB40ADECFB04FF38" box="[1179,1230,229,255]" pageId="6" pageNumber="21">type</typeStatus>
|
||
(ii) since growth continues beyond the first reduced leaves. We think it unlikely the reduced leaves are functional given they do not persist (see also
|
||
<bibRefCitation id="EFEE5EB5B16FFFDCFE5FAC3BFD53FE8B" author="Mackinder, B. A. & Saslis-Lagoudakis, H. & Wieringa, J. J. & Devey, D. & Forest, F. & Bruneau, A." box="[388,665,306,332]" pageId="6" pageNumber="21" refId="ref8130" refString="Mackinder, B. A., Saslis-Lagoudakis, H., Wieringa, J. J., Devey, D., Forest, F. & Bruneau, A. (2013 c) The tropical African Scorodophloeus clade includes two undescribed Hymenostegia segregate genera and Micklethwaitia, a rare, monospecific genus from Mozambique. South African Journal of Botany in press. http: // dx. doi. org / 10.1016 / j. sajb. 2013.07.002" type="book" year="2013">
|
||
Mackinder
|
||
<emphasis id="B90BFF56B16FFFDCFDD0AC3BFD8FFE8B" box="[523,581,306,332]" italics="true" pageId="6" pageNumber="21">et al.</emphasis>
|
||
2013c
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF0073CCB16FFFDCFF4CA952FAA9FB48" ID-DOI="http://doi.org/10.5281/zenodo.5099881" ID-Zenodo-Dep="5099881" httpUri="https://zenodo.org/record/5099881/files/figure.png" pageId="6" pageNumber="21" startId="6.[151,244,1115,1136]" targetBox="[276,1320,390,1085]" targetPageId="6">
|
||
<paragraph id="8BC02344B16FFFDCFF4CA952FAA9FB48" blockId="6.[151,1436,1115,1167]" pageId="6" pageNumber="21">
|
||
<emphasis id="B90BFF56B16FFFDCFF4CA952FEC7FBB7" bold="true" box="[151,269,1115,1136]" pageId="6" pageNumber="21">FIGURE 3.</emphasis>
|
||
Potential distribution of
|
||
<taxonomicName id="4C7F58C7B16FFFDCFDDBA952FD1DFBB7" authorityName="Wieringa & Mackinder" authorityYear="2013" baseAuthorityName="Wieringa & Mackinder" baseAuthorityYear="1942" box="[512,727,1115,1136]" class="Magnoliopsida" family="Fabaceae" genus="Gabonius" higherTaxonomySource="GBIF" kingdom="Plantae" order="Fabales" pageId="6" pageNumber="21" phylum="Tracheophyta" rank="species" species="ngouniensis">
|
||
<emphasis id="B90BFF56B16FFFDCFDDBA952FD1DFBB7" box="[512,727,1115,1136]" italics="true" pageId="6" pageNumber="21">Gabonius ngouniensis</emphasis>
|
||
</taxonomicName>
|
||
according to our species distribution model. The habitat suitability value 0.3594 corresponds to the 10
|
||
<superScript id="7C0A8E0CB16FFFDCFE77A971FE7CFB43" attach="left" box="[428,438,1144,1156]" fontSize="5" pageId="6" pageNumber="21">th</superScript>
|
||
percentile training presence threshold as applied to generate a presence/absence distribution map.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC02344B16FFFDCFF1DA9ECFD09FAE1" blockId="6.[151,1436,1253,1666]" pageId="6" pageNumber="21">
|
||
Bark with Green bean-odour (
|
||
<emphasis id="B90BFF56B16FFFDCFDFFA9ECFD62FB38" box="[548,680,1253,1279]" italics="true" pageId="6" pageNumber="21">Dibata 132</emphasis>
|
||
). Freshly dried material has a “nut-like” smell (
|
||
<emphasis id="B90BFF56B16FFFDCFB0EA9ECFA41FB38" box="[1237,1419,1253,1279]" italics="true" pageId="6" pageNumber="21">van der Burgt 1</emphasis>
|
||
). Several collectors note the flowers are fragrant.
|
||
</paragraph>
|
||
<paragraph id="8BC02344B16FFFDCFF1DA83AFEC6FA20" blockId="6.[151,1436,1253,1666]" pageId="6" pageNumber="21">
|
||
The epithet was written as “ngouniensis” by Pellegrin in 1942, but in a later publication that is much more widely available (
|
||
<bibRefCitation id="EFEE5EB5B16FFFDCFEB5A850FD9AFAB4" author="Pellegrin, F." box="[366,592,1369,1395]" pageId="6" pageNumber="21" pagination="1 - 284" refId="ref8359" refString="Pellegrin, F. (1949) Les Legumineuses du Gabon. Memoires de l'Institut d'Etudes Centrafricaines 1: 1 - 284, Pl. I - VIII." type="journal article" year="1949">Pellegrin 1949: 90</bibRefCitation>
|
||
) he spelled it as “ngounyensis”. Since
|
||
<bibRefCitation id="EFEE5EB5B16FFFDCFBF1A850FADAFAB4" author="Aubreville, A." box="[1066,1296,1369,1395]" pageId="6" pageNumber="21" refId="ref6714" refString="Aubreville, A. (1968 a) Legumineuses - Caesalpinioidees. Flore du Gabon Vol. 15. Museum National d ' Histoire Naturalle, Paris, 362 pp." type="book" year="1968">Aubréville (1968a)</bibRefCitation>
|
||
in his flora treatment also used the later spelling, this spelling currently prevails in publications and databases. Since the epithet refers to a geographical name, its spelling should follow that of the original protologue and is not to be corrected.
|
||
</paragraph>
|
||
<paragraph id="8BC02344B16FFFDCFF1DA8FDFCC9F945" blockId="6.[151,1436,1253,1666]" pageId="6" pageNumber="21">
|
||
In the Flore du
|
||
<collectingCountry id="F36863D4B16FFFDCFEA5A8FDFE06F9C9" box="[382,460,1524,1550]" name="Gabon" pageId="6" pageNumber="21">Gabon</collectingCountry>
|
||
treatment,
|
||
<bibRefCitation id="EFEE5EB5B16FFFDCFD88A8FDFCA5F9C9" author="Aubreville, A." box="[595,879,1524,1550]" pageId="6" pageNumber="21" refId="ref6714" refString="Aubreville, A. (1968 a) Legumineuses - Caesalpinioidees. Flore du Gabon Vol. 15. Museum National d ' Histoire Naturalle, Paris, 362 pp." type="book" year="1968">Aubréville (1968a: 102)</bibRefCitation>
|
||
lists
|
||
<emphasis id="B90BFF56B16FFFDCFC6BA8FDFB9FF9C9" box="[944,1109,1524,1550]" italics="true" pageId="6" pageNumber="21">Le Testu 5890</emphasis>
|
||
(P) as the
|
||
<typeStatus id="54C49DE6B16FFFDCFB0DA8FDFA8BF9C9" box="[1238,1345,1524,1550]" pageId="6" pageNumber="21" type="holotype">holotype</typeStatus>
|
||
. This is incorrect, since the protologue mentions two collections (
|
||
<emphasis id="B90BFF56B16FFFDCFCB2AB12FBDDF9F2" box="[873,1047,1563,1589]" italics="true" pageId="6" pageNumber="21">Le Testu 5284</emphasis>
|
||
&
|
||
<emphasis id="B90BFF56B16FFFDCFB9AAB12FB25F9F2" box="[1089,1263,1563,1589]" italics="true" pageId="6" pageNumber="21">Le Testu 5890</emphasis>
|
||
) but does not indicate a
|
||
<typeStatus id="54C49DE6B16FFFDCFEC8AB48FEB5F99C" box="[275,383,1601,1627]" pageId="6" pageNumber="21" type="holotype">holotype</typeStatus>
|
||
. Moreover, this cannot be seen as a lectotypification since a
|
||
<typeStatus id="54C49DE6B16FFFDCFB81AB48FB0DF99C" box="[1114,1223,1601,1627]" pageId="6" pageNumber="21" type="lectotype">lectotype</typeStatus>
|
||
had already been selected by
|
||
<bibRefCitation id="EFEE5EB5B16FFFDCFEFAAB61FDDCF945" author="Leonard, J." box="[289,534,1640,1666]" pageId="6" pageNumber="21" pagination="373 - 450" refId="ref7608" refString="Leonard, J. (1951) Notulae systematicae 11, Les Cynometra I et les genres voisins en Afrique tropicale. Bulletin du Jardin botanique de l'Etat a Bruxelles 21: 373 - 450. http: // dx. doi. org / 10.2307 / 3666679" type="journal article" year="1951">Léonard (1951: 441)</bibRefCitation>
|
||
, who selected
|
||
<emphasis id="B90BFF56B16FFFDCFD19AB61FD37F945" box="[706,765,1640,1666]" italics="true" pageId="6" pageNumber="21">5284</emphasis>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |