448 lines
50 KiB
XML
448 lines
50 KiB
XML
<document id="6457A6F1E3BC62D783FC5FB50424389A" ID-CLB-Dataset="21752" ID-DOI="10.5252/adansonia2020v42a8" ID-GBIF-Dataset="c972bdea-ffd6-46e9-9d7e-2543609076fd" ID-ISSN="1639-4798" ID-Zenodo-Dep="3877454" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1591303397685" checkinUser="tatiana" docAuthor="Cheek, Martin & Traclet, Sébastien" docDate="2020" docId="0387A65643774C3EFF39F9BDFB6DF81E" docLanguage="en" docName="Adansonia.42.8.179-188.pdf.imf" docOrigin="Adansonia 42 (8)" docStyle="DocumentStyle:2FE19AC740987067EC2A6C89A85F9648.8:Adansonia.2018-.journal_article" docStyleId="2FE19AC740987067EC2A6C89A85F9648" docStyleName="Adansonia.2018-.journal_article" docStyleVersion="8" docTitle="Gymnosiphon mayottensis Cheek 2020, sp. nov." docType="treatment" docVersion="8" lastPageNumber="182" masterDocId="FFBEDE2E43734C39FFDAFFDEFF9AFFF3" masterDocTitle="Gymnosiphon mayottensis Cheek, sp. nov. (Burmanniaceae) a new species from Mayotte, Comoro Islands" masterLastPageNumber="188" masterPageNumber="179" pageNumber="181" updateTime="1698842084367" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="10B5DBC03C931798342031B37CB19637">Gymnosiphon mayottensis Cheek, sp. nov. (Burmanniaceae) a new species from Mayotte, Comoro Islands</mods:title>
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<mods:name id="BA9534C034292EC7C347B85A84B6752B" type="personal">
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<mods:namePart id="FC077B9178C1BF7E5EACAB0F8AC36325">Cheek, Martin</mods:namePart>
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<mods:namePart id="A30678E075FF3210D959143071A5D833">Traclet, Sébastien</mods:namePart>
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<mods:title id="45B9FAFEF00A8B92DFB43F1F4A4C818D">Adansonia</mods:title>
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<mods:part id="DA1E2B40115622D300749A5F9D62F51D">
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<mods:date id="224DC350A017D208C7DE25BE9162DDE2">2020</mods:date>
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<mods:identifier id="B0261B0DAB416C07DDDB7A8A55C9B614" type="DOI">10.5252/adansonia2020v42a8</mods:identifier>
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<treatment id="0387A65643774C3EFF39F9BDFB6DF81E" ID-DOI="http://doi.org/10.5281/zenodo.3883197" ID-GBIF-Taxon="164479757" ID-Zenodo-Dep="3883197" LSID="urn:lsid:plazi:treatment:0387A65643774C3EFF39F9BDFB6DF81E" httpUri="http://treatment.plazi.org/id/0387A65643774C3EFF39F9BDFB6DF81E" lastPageId="7" lastPageNumber="182" pageId="4" pageNumber="181">
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<subSubSection id="C33444CB43774C3DFF39F9BDFD33F98D" box="[227,681,1635,1662]" pageId="4" pageNumber="181" type="nomenclature">
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<paragraph id="8B91174043774C3DFF39F9BDFD33F98D" blockId="4.[227,681,1635,1694]" box="[227,681,1635,1662]" pageId="4" pageNumber="181">
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<heading id="D0D9A02C43774C3DFF39F9BDFD33F98D" box="[227,681,1635,1662]" centered="true" fontSize="11" level="2" pageId="4" pageNumber="181" reason="3">
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<taxonomicName id="4C2E6CC343774C3DFF39F9BDFDD6F98D" ID-CoL="9V6V6" authority="Cheek" authorityName="Cheek" authorityYear="2020" box="[227,588,1635,1662]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="4" pageNumber="181" phylum="Tracheophyta" rank="species" species="mayottensis" status="sp. nov.">
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<emphasis id="B95ACB5243774C3DFF39F9BDFE66F98D" bold="true" box="[227,508,1635,1662]" italics="true" pageId="4" pageNumber="181">Gymnosiphon mayottensis</emphasis>
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Cheek
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</taxonomicName>
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,
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<taxonomicNameLabel id="A269762943774C3DFD8CF9BAFD33F98D" box="[598,681,1636,1662]" pageId="4" pageNumber="181" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C33444CB43774C3DFE4BF95AFE60F96D" box="[401,506,1668,1694]" pageId="4" pageNumber="181" type="description">
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<paragraph id="8B91174043774C3DFE4BF95AFE60F96D" blockId="4.[227,681,1635,1694]" box="[401,506,1668,1694]" pageId="4" pageNumber="181">
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<heading id="D0D9A02C43774C3DFE4BF95AFE60F96D" box="[401,506,1668,1694]" centered="true" fontSize="11" level="2" pageId="4" pageNumber="181" reason="3">
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(
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<figureCitation id="13150BC543774C3DFE42F95AFE6AF96D" box="[408,496,1668,1694]" captionStart-0="FIG" captionStart-1="FIG" captionStart-2="FIG" captionStartId-0="6.[132,143,1940,1957]" captionStartId-1="7.[132,143,1543,1560]" captionStartId-2="8.[328,339,2008,2025]" captionTargetBox-0="[170,1432,212,1922]" captionTargetBox-2="[188,1399,213,1924]" captionTargetId-0="figure@6.[155,1432,198,1937]" captionTargetId-1="figure@7.[698,1267,765,1319]" captionTargetId-2="figure@8.[746,1315,747,1298]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionTargetPageId-2="8" captionText-0="FIG. 1. — Gymnosiphon mayottensis Cheek, sp. nov.: A, habit; A’, detail showing base of stem and roots; B, branch of inflorescence with flower buds and detail of bract; C, dissection of large flower bud from B; D, open flower; E, perianth and stigmas (from photo); F, stamen and pair of lateral outer perianth lobes from bud dissected in C; G, stigmatic filament looped over lateral perianth lobe in bud dissected in C; H, fruit (dried). All drawn from S. Traclet 665 (MAO03189), liquid preserved, unless otherwise indicated. Drawn by Andrew Brown. Scale bars: A, 1 cm; A’, B, C, D, H, 2 mm; E, F, G, 1 mm." captionText-1="FIG. 2. — Gymnosiphon mayottensis Cheek, sp. nov.: A, habit, whole plant with underground parts exposed; B, inflorescence viewed from above, note navicu- lar bracts; C, flower at anthesis viewed from above, note filamentous style arms; D, flower viewed from side, note the translucent tepals. Photos: A, Guillaume Viscardi; B-D, Étienne Vennetier." captionText-2="FIG. 3. — Map of the global distribution of Gymnosiphon mayottensis Cheek, sp. nov. Map by Sébastien Traclet." figureDoi-0="http://doi.org/10.5281/zenodo.3877456" figureDoi-1="http://doi.org/10.5281/zenodo.3877458" figureDoi-2="http://doi.org/10.5281/zenodo.3877460" httpUri-0="https://zenodo.org/record/3877456/files/figure.png" httpUri-1="https://zenodo.org/record/3877458/files/figure.png" httpUri-2="https://zenodo.org/record/3877460/files/figure.png" pageId="4" pageNumber="181">Figs 1-3</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C33444CB43774C3DFF5EF912FDAFF81E" pageId="4" pageNumber="181" type="diagnosis">
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<paragraph id="8B91174043774C3DFF5EF912FDAFF81E" blockId="4.[132,776,1740,2029]" pageId="4" pageNumber="181">
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<taxonomicName id="4C2E6CC343774C3DFF5EF912FE5BF917" authority="Cheek" authorityName="Cheek" authorityYear="2020" box="[132,449,1740,1764]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="4" pageNumber="181" phylum="Tracheophyta" rank="species" species="mayottensis" status="sp. nov.">
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<emphasis id="B95ACB5243774C3DFF5EF912FEEDF917" box="[132,375,1740,1764]" italics="true" pageId="4" pageNumber="181">Gymnosiphon mayottensis</emphasis>
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Cheek
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</taxonomicName>
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,
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<taxonomicNameLabel id="A269762943774C3DFE17F913FD80F917" box="[461,538,1741,1764]" pageId="4" pageNumber="181" rank="species">sp. nov.</taxonomicNameLabel>
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resembles
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<taxonomicName id="4C2E6CC343774C3DFD5DF912FEBFF90D" authority="(Benth.) Hutch." authorityName="Hutch." baseAuthorityName="Benth." class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="4" pageNumber="181" phylum="Tracheophyta" rank="species" species="longistylus">
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<emphasis id="B95ACB5243774C3DFD5DF912FC9DF917" box="[647,775,1740,1764]" italics="true" pageId="4" pageNumber="181">G. longistylus</emphasis>
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(Benth.) Hutch.
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</taxonomicName>
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in the six long, filamentous, stigma appendages, two each arising from each of the three styles, also in the absence of an underground tuber or thickened rhizome; it differs in that the bracts are appressed to the rhachises, and about equal in length to them (not patent, and <1/4 as long), the outer tepals turn rapidly from white to translucent at anthesis (not remaining white), the inner perianth lobes are absent (not present and conspicuous), the stigmas are broader than long, held horizontally and are united along their lateral margins (not longer than broad, pendulous, free from each other along their lateral margins).
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</paragraph>
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</subSubSection>
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<subSubSection id="C33444CB43774C3DFCF7F9CDFA94F81E" pageId="4" pageNumber="181" type="materials_examined">
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<paragraph id="8B91174043774C3DFCF7F9CDFA2AF98F" blockId="4.[813,1456,1555,1660]" pageId="4" pageNumber="181">
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TYPUS. —
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<emphasis id="B95ACB5243774C3DFC41F9CAFC68F9DF" bold="true" box="[923,1010,1556,1580]" pageId="4" pageNumber="181">
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<collectingCountry id="F33957D043774C3DFC41F9CAFC68F9DF" box="[923,1010,1556,1580]" name="Mayotte" pageId="4" pageNumber="181">Mayotte</collectingCountry>
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</emphasis>
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.
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<collectingMunicipality id="6BF58D3A43774C3DFBDAF9CAFB10F9DF" box="[1024,1162,1556,1580]" pageId="4" pageNumber="181">Grande Terre</collectingMunicipality>
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,
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,
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<location id="8EF1419B43774C3DFAD7F9CAFACCF9DF" LSID="urn:lsid:plazi:treatment:0387A65643774C3EFF39F9BDFB6DF81E:8EF1419B43774C3DFAD7F9CAFACCF9DF" box="[1293,1366,1556,1580]" country="Mayotte" latitude="-12.879241" longLatPrecision="1" longitude="45.16069" municipality="Grande Terre" name="Benara" pageId="4" pageNumber="181">Bénara</location>
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,
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, [
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<geoCoordinate id="EE1A718743774C3DFB9BF9F0FB35F9B5" box="[1089,1199,1582,1606]" degrees="45.160691" direction="east" orientation="longitude" pageId="4" pageNumber="181" precision="1" value="45.16069">45.160691</geoCoordinate>
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],
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<locationDeviation id="9A230E6243774C3DFB67F9F0FC0BF992" pageId="4" pageNumber="181">sous-bois de forêt humide d’altitude</locationDeviation>
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, fl.,
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,
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<collectorName id="26DB729643774C3DFB76F997FA2AF992" box="[1196,1456,1609,1633]" pageId="4" pageNumber="181">A. Dimassi & E. Vennetier</collectorName>
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665
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</emphasis>
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(
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,
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[
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<specimenCode id="DB88BF3B43774C3DFC64F9BDFBD6F988" box="[958,1100,1635,1659]" pageId="4" pageNumber="181">K000593140</specimenCode>
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];
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</materialsCitation>
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<materialsCitation id="3B461D1D43774C3DFB81F9BDFA2AF98F" ID-GBIF-Occurrence="2632077301" box="[1115,1456,1635,1660]" pageId="4" pageNumber="181">iso-, MAO[MAO03189]; P, MO).</materialsCitation>
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</paragraph>
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. —
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<materialsCitation id="3B461D1D43774C3DFC74F949FB49F917" ID-GBIF-Occurrence="2632077304" pageId="4" pageNumber="181">
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<collectingCountry id="F33957D043774C3DFC74F949FC67F95C" box="[942,1021,1687,1711]" name="Mayotte" pageId="4" pageNumber="181">Mayotte</collectingCountry>
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</emphasis>
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. Grande Terre, Chirongui, Bénara, à droite du sentier, [
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,
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<geoCoordinate id="EE1A718743774C3DFC37F96FFBD1F93A" box="[1005,1099,1713,1737]" degrees="45.16077" direction="east" orientation="longitude" pageId="4" pageNumber="181" precision="1" value="45.16077">45.16077</geoCoordinate>
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], bord de sentier de forêt humide, (fl.,
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<date id="FF90318043774C3DFCF7F912FC09F917" box="[813,915,1740,1764]" pageId="4" pageNumber="181" value="2019-03-24">24.III.2019</date>
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,
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<emphasis id="B95ACB5243774C3DFC40F913FB90F917" box="[922,1034,1740,1764]" italics="true" pageId="4" pageNumber="181">E.Vennetier 9</emphasis>
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(MAO[MAO02677]);
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</materialsCitation>
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<materialsCitation id="3B461D1D43774C3DFB0DF912FB57F8BD" ID-GBIF-Occurrence="2632077303" pageId="4" pageNumber="181">
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GrandeTerre, Chirongui, Bénara, au milieu du sentier,
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, [
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,
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], sous-bois de forêt humide d’altitude, spécimen le plus bas observé ce jour en fleur à 14h, pas d’autre individu sur la station, fl.,
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<date id="FF90318043774C3DFB71F8C2FA89F8C7" box="[1195,1299,1820,1844]" pageId="4" pageNumber="181" value="2019-04-01">01.IV.2019</date>
|
||
,
|
||
<emphasis id="B95ACB5243774C3DFAC7F8C2FC65F8BD" italics="true" pageId="4" pageNumber="181">S. Traclet, A. Dimassi & E.Vennetier 666</emphasis>
|
||
(MAO[MAO03190]);
|
||
</materialsCitation>
|
||
<materialsCitation id="3B461D1D43774C3DFB0AF8E8FAF0F870" ID-GBIF-Occurrence="2632077306" pageId="4" pageNumber="181">
|
||
GrandeTerre, Chirongui, Bénara, sur la petite colline du
|
||
<emphasis id="B95ACB5243774C3DFB9BF88EFB16F89B" box="[1089,1164,1872,1896]" italics="true" pageId="4" pageNumber="181">Cynorkis</emphasis>
|
||
sp. blanc,
|
||
<quantity id="4CD6BAA543774C3DFB31F88EFAB3F89B" box="[1259,1321,1872,1896]" metricMagnitude="2" metricUnit="m" metricValue="5.35" pageId="4" pageNumber="181" unit="m" value="535.0">535 m</quantity>
|
||
, [
|
||
<geoCoordinate id="EE1A718743774C3DFAEDF88EFA36F89B" box="[1335,1452,1872,1896]" degrees="12.876430" direction="south" orientation="latitude" pageId="4" pageNumber="181" precision="1" value="-12.87643">–12.876430</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE1A718743774C3DFCF7F8B5FC0BF870" box="[813,913,1899,1923]" degrees="45.159233" direction="east" orientation="longitude" pageId="4" pageNumber="181" precision="1" value="45.159233">45.159233</geoCoordinate>
|
||
], fl.,
|
||
<date id="FF90318043774C3DFC6DF8B5FB86F870" box="[951,1052,1899,1923]" pageId="4" pageNumber="181" value="2019-04-07">07.IV.2019</date>
|
||
,
|
||
<emphasis id="B95ACB5243774C3DFBF9F8B5FB05F870" box="[1059,1183,1899,1923]" italics="true" pageId="4" pageNumber="181">E.Vennetier 12</emphasis>
|
||
(MAO[MAO02287]);
|
||
</materialsCitation>
|
||
<materialsCitation id="3B461D1D43774C3DFAB7F8B5FA94F81E" ID-GBIF-Occurrence="2632077305" pageId="4" pageNumber="181">
|
||
Grande Terre, Mamoudzou, Majimbini, RF de Majimbini,
|
||
<quantity id="4CD6BAA543774C3DFB35F85BFAB6F86E" box="[1263,1324,1925,1949]" metricMagnitude="2" metricUnit="m" metricValue="4.83" pageId="4" pageNumber="181" unit="m" value="483.0">483 m</quantity>
|
||
, [
|
||
<geoCoordinate id="EE1A718743774C3DFAE2F85BFA36F86E" box="[1336,1452,1925,1949]" degrees="12.766693" direction="south" orientation="latitude" pageId="4" pageNumber="181" precision="1" value="-12.766693">–12.766693</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE1A718743774C3DFCF7F87EFC0FF84B" box="[813,917,1952,1976]" degrees="45.189309" direction="east" orientation="longitude" pageId="4" pageNumber="181" precision="1" value="45.18931">45.189309</geoCoordinate>
|
||
], forêt humide sur crête à
|
||
<taxonomicName id="4C2E6CC343774C3DFBACF87EFAEBF844" authority=", Brexia" authorityName="Brexia" box="[1142,1393,1952,1976]" class="Magnoliopsida" family="Sapotaceae" genus="Labramia" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="181" phylum="Tracheophyta" rank="species" species="mayottensis">
|
||
<emphasis id="B95ACB5243774C3DFBACF87EFAAAF844" box="[1142,1328,1952,1976]" italics="true" pageId="4" pageNumber="181">Labramia mayottensis</emphasis>
|
||
,
|
||
<emphasis id="B95ACB5243774C3DFAE0F87EFAEBF844" box="[1338,1393,1952,1975]" italics="true" pageId="4" pageNumber="181">Brexia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicName id="4C2E6CC343774C3DFAACF87EFC78F821" authority=", Grisollea" authorityName="Grisollea" class="Liliopsida" family="Triuridaceae" genus="Seychellaria" kingdom="Plantae" order="Pandanales" pageId="4" pageNumber="181" phylum="Tracheophyta" rank="species" species="madagascariensis">
|
||
<emphasis id="B95ACB5243774C3DFAACF87EFC16F821" italics="true" pageId="4" pageNumber="181">madagascariensis</emphasis>
|
||
,
|
||
<emphasis id="B95ACB5243774C3DFC4DF864FC78F821" box="[919,994,1978,2002]" italics="true" pageId="4" pageNumber="181">Grisollea</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B95ACB5243774C3DFC3DF864FBD3F821" box="[999,1097,1978,2002]" italics="true" pageId="4" pageNumber="181">myrianthea</emphasis>
|
||
et
|
||
<emphasis id="B95ACB5243774C3DFBB9F865FAB8F821" box="[1123,1314,1979,2002]" italics="true" pageId="4" pageNumber="181">Garcinia anjouanensis</emphasis>
|
||
, fl.,
|
||
<date id="FF90318043774C3DFA90F864FA31F821" box="[1354,1451,1978,2002]" pageId="4" pageNumber="181" value="2019-05-03">03.V.2019</date>
|
||
,
|
||
<emphasis id="B95ACB5243774C3DFCF7F80BFBA0F81E" box="[813,1082,2005,2029]" italics="true" pageId="4" pageNumber="181">A. Dimassi & E. Vennetier 123</emphasis>
|
||
(MAO[MAO04114]).
|
||
</materialsCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF5147C843764C3CFF12FF05FAF7FF1F" ID-Table-UUID="DF5147C843764C3CFF12FF05FAF7FF1F" box="[200,1389,219,236]" httpUri="http://table.plazi.org/id/DF5147C843764C3CFF12FF05FAF7FF1F" pageId="5" pageNumber="182" targetBox="[134,1444,295,648]" targetIsTable="true" targetPageId="5">
|
||
<paragraph id="8B91174043764C3CFF12FF05FAF7FF1F" blockId="5.[200,1389,219,236]" box="[200,1389,219,236]" pageId="5" pageNumber="182">
|
||
<subScript id="17AA150543764C3CFF12FF05FF6CFF1F" attach="left" box="[200,246,219,236]" fontSize="5" pageId="5" pageNumber="182">TABLE</subScript>
|
||
1. — The more significant diagnostic characters separating
|
||
<taxonomicName id="4C2E6CC343764C3CFD36FF05FB9CFF1F" authority="Cheek" authorityName="Cheek" authorityYear="2020" box="[748,1030,219,236]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="species" species="mayottensis" status="sp. nov.">
|
||
<emphasis id="B95ACB5243764C3CFD36FF05FC53FF1F" box="[748,969,219,236]" italics="true" pageId="5" pageNumber="182">Gymnosiphon mayottensis</emphasis>
|
||
Cheek
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A269762943764C3CFBD7FF05FBCBFF1F" box="[1037,1105,219,236]" pageId="5" pageNumber="182" rank="species">sp. nov.</taxonomicNameLabel>
|
||
and
|
||
<taxonomicName id="4C2E6CC343764C3CFBA0FF05FAF7FF1F" authority="(Benth.) Hutch." authorityName="Hutch." baseAuthorityName="Benth." box="[1146,1389,219,236]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="species" species="longistylus">
|
||
<emphasis id="B95ACB5243764C3CFBA0FF05FB73FF1F" box="[1146,1257,219,236]" italics="true" pageId="5" pageNumber="182">G. longistylus</emphasis>
|
||
(Benth.) Hutch.
|
||
</taxonomicName>
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B91174043764C3CFE7BFEF9FB07FD7B" pageId="5" pageNumber="182">
|
||
<table id="F92EE5E04376B3C6FF5CFEF9FA3EFD7B" box="[134,1444,295,648]" gridcols="3" gridrows="8" pageId="5" pageNumber="182">
|
||
<tr id="351E15024376B3C6FF5CFEF9FA3EFEC8" box="[134,1444,295,315]" gridrow="0" pageId="5" pageNumber="182" rowspan-0="1">
|
||
<th id="76CF7C7E4376B3C6FE7BFEF9FCCDFEC8" box="[417,855,295,315]" gridcol="1" gridrow="0" pageId="5" pageNumber="182">
|
||
<taxonomicName id="4C2E6CC343764C3CFE7BFEF9FD3BFEC8" box="[417,673,295,315]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="species" species="longistylus">
|
||
<emphasis id="B95ACB5243764C3CFE7BFEF9FD3BFEC8" bold="true" box="[417,673,295,315]" italics="true" pageId="5" pageNumber="182">Gymnosiphon longistylus</emphasis>
|
||
</taxonomicName>
|
||
</th>
|
||
<th id="76CF7C7E4376B3C6FC72FEF9FA3EFEC8" box="[936,1444,295,315]" gridcol="2" gridrow="0" pageId="5" pageNumber="182">
|
||
<emphasis id="B95ACB5243764C3CFC72FEF9FAC0FEC8" bold="true" box="[936,1370,295,315]" pageId="5" pageNumber="182">
|
||
<taxonomicName id="4C2E6CC343764C3CFC72FEF9FA9BFEC8" authority="Cheek" authorityName="Cheek" authorityYear="2020" box="[936,1281,295,315]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="species" species="mayottensis" status="sp. nov.">
|
||
<emphasis id="B95ACB5243764C3CFC72FEF9FBAFFEC8" bold="true" box="[936,1077,295,315]" italics="true" pageId="5" pageNumber="182">Gymnosiphon</emphasis>
|
||
<emphasis id="B95ACB5243764C3CFBE1FEF9FB2DFEC8" bold="true" box="[1083,1207,295,315]" italics="true" pageId="5" pageNumber="182">mayottensis</emphasis>
|
||
Cheek
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A269762943764C3CFAD0FEF9FAC0FEC8" box="[1290,1370,295,315]" pageId="5" pageNumber="182" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
</th>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFE94FA3EFEAD" box="[134,1444,330,350]" gridrow="1" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFE94FE0AFEAD" box="[134,400,330,350]" gridcol="0" gridrow="1" pageId="5" pageNumber="182">Geographic range</th>
|
||
<td id="76CF7C7E4376B3C6FE7BFE94FCCDFEAD" box="[417,855,330,350]" gridcol="1" gridrow="1" pageId="5" pageNumber="182">Guinea to Democratic Republic of Congo</td>
|
||
<td id="76CF7C7E4376B3C6FC72FE94FA3EFEAD" box="[936,1444,330,350]" gridcol="2" gridrow="1" pageId="5" pageNumber="182">Mayotte, Comoro Islands.</td>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFEBCFC6BFE59" box="[134,1009,354,426]" gridrow="2" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFEBCFE0AFE59" box="[134,400,354,426]" gridcol="0" gridrow="2" pageId="5" pageNumber="182">Ratio of width of lateral: central segments of outer perianth lobes</th>
|
||
<td id="76CF7C7E4376B3C6FE7BFEBCFCCDFE59" box="[417,855,354,426]" gridcol="1" gridrow="2" pageId="5" pageNumber="182">
|
||
<emphasis id="B95ACB5243764C3CFE7BFEBCFE29FE85" box="[417,435,354,374]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
1:1
|
||
</td>
|
||
<td id="76CF7C7E4376B3C6FC72FEBCFA3EFE59" box="[936,1444,354,426]" gridcol="2" gridrow="2" pageId="5" pageNumber="182">
|
||
<emphasis id="B95ACB5243764C3CFC72FEBCFC20FE85" box="[936,954,354,374]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
1:2-5
|
||
</td>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFE70FA3EFE31" box="[134,1444,430,450]" gridrow="3" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFE70FE0AFE31" box="[134,400,430,450]" gridcol="0" gridrow="3" pageId="5" pageNumber="182">Inner perianth lobes</th>
|
||
<td id="76CF7C7E4376B3C6FE7BFE70FCCDFE31" box="[417,855,430,450]" gridcol="1" gridrow="3" pageId="5" pageNumber="182">Conspicuous in throat of perianth tube</td>
|
||
<td id="76CF7C7E4376B3C6FC72FE70FA3EFE31" box="[936,1444,430,450]" gridcol="2" gridrow="3" pageId="5" pageNumber="182">Absent</td>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFE18FAEFFE00" box="[134,1397,454,499]" gridrow="4" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFE18FE0AFE00" box="[134,400,454,499]" gridcol="0" gridrow="4" pageId="5" pageNumber="182">Bracts</th>
|
||
<td id="76CF7C7E4376B3C6FE7BFE18FCCDFE00" box="[417,855,454,499]" gridcol="1" gridrow="4" pageId="5" pageNumber="182">
|
||
Patent, not adpressed; <
|
||
<emphasis id="B95ACB5243764C3CFD49FE18FD3FFE2F" bold="true" box="[659,677,454,476]" pageId="5" pageNumber="182">¹/4</emphasis>
|
||
as long as rhachis internodes
|
||
</td>
|
||
<td id="76CF7C7E4376B3C6FC72FE18FA3EFE00" box="[936,1444,454,499]" gridcol="2" gridrow="4" pageId="5" pageNumber="182">Adpressed to, and as long as rhachis internodes</td>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFE29FA05FDCC" box="[134,1439,503,575]" gridrow="5" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFE29FA3EFDCC" box="[134,1444,503,575]" colspan="3" colspanRight="2" gridcol="0" gridrow="5" pageId="5" pageNumber="182">Colour & translucency of White, opaque Initially white, opaque, rapidly becoming translucent, outer perianth lobes at colourless anthesis</th>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFD9DFA3EFD83" box="[134,1444,579,624]" gridrow="6" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFD9DFA3EFD83" box="[134,1444,579,624]" colspan="3" colspanRight="2" gridcol="0" gridrow="6" pageId="5" pageNumber="182">Stigmas Stigmas united only at base, each free, pendulous, Stigmas united along their lateral margins, horizontal, longer than broad broader than long</th>
|
||
</tr>
|
||
<tr id="351E15024376B3C6FF5CFDAAFB07FD7B" box="[134,1181,628,648]" gridrow="7" pageId="5" pageNumber="182">
|
||
<th id="76CF7C7E4376B3C6FF5CFDAAFE0AFD7B" box="[134,400,628,648]" gridcol="0" gridrow="7" pageId="5" pageNumber="182">Position of stigmatic head</th>
|
||
<td id="76CF7C7E4376B3C6FE7BFDAAFCCDFD7B" box="[417,855,628,648]" gridcol="1" gridrow="7" pageId="5" pageNumber="182">Inserted deep in throat of perianth tube</td>
|
||
<td id="76CF7C7E4376B3C6FC72FDAAFA3EFD7B" box="[936,1444,628,648]" gridcol="2" gridrow="7" pageId="5" pageNumber="182">At mouth of perianth tube</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<subSubSection id="C33444CB43764C3CFF5EFD09FD34FC7D" pageId="5" pageNumber="182" type="distribution">
|
||
<paragraph id="8B91174043764C3CFF5EFD09FD34FC7D" blockId="5.[132,776,727,910]" pageId="5" pageNumber="182">
|
||
DISTRIBUTION. — This species is known from
|
||
<collectingCountry id="F33957D043764C3CFD83FD06FD31FD03" box="[601,683,728,752]" name="Mayotte" pageId="5" pageNumber="182">Mayotte</collectingCountry>
|
||
island at altitudes between
|
||
<quantity id="4CD6BAA543764C3CFEEFFD2CFEEDFCF9" box="[309,375,754,778]" metricMagnitude="2" metricUnit="m" metricValue="3.0" pageId="5" pageNumber="182" unit="m" value="300.0">300 m</quantity>
|
||
and
|
||
<quantity id="4CD6BAA543764C3CFE73FD2CFE70FCF9" box="[425,490,754,778]" metricMagnitude="2" metricUnit="m" metricValue="6.0" pageId="5" pageNumber="182" unit="m" value="600.0">600 m</quantity>
|
||
above sea level. Two stations are referenced: the largest one at Mount Bénara (area of station
|
||
<emphasis id="B95ACB5243764C3CFF5EFCF6FF0EFCCC" box="[132,148,808,831]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
13 ha) and a second at Mount Mtsapéré (area of station
|
||
<emphasis id="B95ACB5243764C3CFD60FCF6FD53FCCC" box="[698,713,808,831]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
8 ha). Photographs of what appears to be a similar but slightly different species have been seen from Moheli, but material has not yet been obtained so the specific identification remains uncertain.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33444CB43764C3CFF5EFC7BFF2CFBD0" pageId="5" pageNumber="182" type="description">
|
||
<paragraph id="8B91174043764C3CFF5EFC7BFDC0FC2B" blockId="5.[132,775,933,984]" pageId="5" pageNumber="182">
|
||
HABITAT. — Old secondary tropical humid forest above
|
||
<quantity id="4CD6BAA543764C3CFD64FC78FC98FC4E" box="[702,770,934,958]" metricMagnitude="2" metricUnit="m" metricValue="3.0" pageId="5" pageNumber="182" unit="m" value="300.0">300 m</quantity>
|
||
, and primary forest
|
||
<quantity id="4CD6BAA543764C3CFEE5FC1EFE34FC2B" box="[319,430,960,984]" metricMagnitude="2" metricUnit="m" metricValue="5.085" metricValueMax="5.67" metricValueMin="4.5" pageId="5" pageNumber="182" unit="m" value="508.5" valueMax="567.0" valueMin="450.0">450-567 m</quantity>
|
||
primary altitude.
|
||
</paragraph>
|
||
<paragraph id="8B91174043764C3CFF5EFC31FF2CFBD0" blockId="5.[132,775,1007,1059]" pageId="5" pageNumber="182">PHENOLOGY. — Flowering was observed in March, April and early May.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33444CB43764C3CFF5EFBE7FED7FB74" pageId="5" pageNumber="182" type="etymology">
|
||
<paragraph id="8B91174043764C3CFF5EFBE7FED7FB74" blockId="5.[132,775,1081,1159]" pageId="5" pageNumber="182">
|
||
ETYMOLOGY. — The epithet refers to the island of
|
||
<collectingCountry id="F33957D043764C3CFDA2FBE5FD57FBA0" box="[632,717,1083,1107]" name="Mayotte" pageId="5" pageNumber="182">Mayotte</collectingCountry>
|
||
, from which the species was discovered and to which the species is endemic on current evidence.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33444CB43764C3CFF5EFB6BFB93FA9C" pageId="5" pageNumber="182" type="description">
|
||
<paragraph id="8B91174043764C3CFF5EFB6BFE8FFB3E" blockId="5.[132,776,1205,2029]" box="[132,277,1205,1231]" pageId="5" pageNumber="182">DESCRIPTION</paragraph>
|
||
<paragraph id="8B91174043764C3CFF5EFB08FB93FA9C" blockId="5.[132,776,1205,2029]" lastBlockId="5.[813,1456,727,1392]" pageId="5" pageNumber="182">
|
||
Erect, probably perennial herb
|
||
<quantity id="4CD6BAA543764C3CFE17FB08FD82FB03" box="[461,536,1238,1264]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="5" pageNumber="182" unit="cm" value="8.0" valueMax="9.0" valueMin="7.0">7-9 cm</quantity>
|
||
tall above roots, above ground part
|
||
<emphasis id="B95ACB5243764C3CFECDFB28FEB3FAFC" box="[279,297,1270,1295]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFEE8FB2BFE1EFAE3" box="[306,388,1269,1296]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="5" pageNumber="182" unit="cm" value="4.0" valueMax="5.0" valueMin="3.0">3-5 cm</quantity>
|
||
tall (
|
||
<emphasis id="B95ACB5243764C3CFE1FFB2BFD15FAFC" box="[453,655,1269,1295]" italics="true" pageId="5" pageNumber="182">Traclet et al. 665)</emphasis>
|
||
, glabrous, achlorophyllous, white when alive. Tuber(s) and swollen rhizome absent. Base of stem (only one seen) with loose rosette of 3-4 spreading, oblong, white reduced leaves, 0.8- 2 ×
|
||
<quantity id="4CD6BAA543764C3CFF75FAABFE90FA63" box="[175,266,1397,1424]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="182" unit="mm" value="0.5">0.5 mm</quantity>
|
||
, apex obtuse. Roots
|
||
<emphasis id="B95ACB5243764C3CFE34FAA8FE65FA7C" box="[494,511,1398,1423]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
7, vermiform, to
|
||
<quantity id="4CD6BAA543764C3CFD1FFAABFC9CFA63" box="[709,774,1397,1424]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="182" unit="mm" value="5.0">5 mm</quantity>
|
||
long,
|
||
<emphasis id="B95ACB5243764C3CFF1AFA48FF4BFA5C" box="[192,209,1430,1455]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFF0CFA4BFEB0FA43" box="[214,298,1429,1456]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="182" unit="mm" value="0.1">0.1 mm</quantity>
|
||
diam. Stem terete, erect, single, unbranched,
|
||
<emphasis id="B95ACB5243764C3CFF5EFA68FF0FFA3C" box="[132,149,1462,1487]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFF40FA6BFF54FA3C" box="[154,206,1461,1487]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="5" pageNumber="182" unit="cm" value="6.0">6 cm</quantity>
|
||
long,
|
||
<emphasis id="B95ACB5243764C3CFECAFA68FEBBFA3C" box="[272,289,1462,1487]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFEFCFA6BFEFFFA3C" box="[294,357,1461,1487]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="182" unit="mm" value="1.0">1 mm</quantity>
|
||
in diameter, internodes
|
||
<quantity id="4CD6BAA543764C3CFDBDFA6BFD51FA3C" box="[615,715,1461,1488]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" metricValueMax="2.5" metricValueMin="0.5" pageId="5" pageNumber="182" unit="mm" value="15.0" valueMax="25.0" valueMin="5.0">5-25 mm</quantity>
|
||
long. Scale-leaves cupular
|
||
<quantity id="4CD6BAA543764C3CFEB3FA0BFE6AFA1C" box="[361,496,1493,1520]" metricMagnitude="-4" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="5" pageNumber="182" unit="mm" value="0.55" valueMax="0.6" valueMin="0.5">0.5-0.6 mm</quantity>
|
||
diam., clasping the stem for 40-50% of its circumference. Inflorescence appearing subcapitate, 1-11-flowered, initially single-flowered, then cymose-biparous, with two equal but contracted branches. Bracts navicular (elliptic-oblong, concave), 1.5-1.6 × 0.5-
|
||
<quantity id="4CD6BAA543764C3CFF5EF9AAFF46F97C" box="[132,220,1652,1679]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="182" unit="mm" value="0.5">0.5 mm</quantity>
|
||
, adpressed to the rhachis (inflorescence axis), about as long as the internodes which they subtend, apex rounded. Pedicels
|
||
<quantity id="4CD6BAA543764C3CFF39F96AFEF2F93C" box="[227,360,1716,1743]" metricMagnitude="-3" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" pageId="5" pageNumber="182" unit="mm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.2-1.4 mm</quantity>
|
||
long. Flower white in bud, becoming translucent at anthesis, erect, actinomorphic,
|
||
<quantity id="4CD6BAA543764C3CFDBBF90AFD51F91D" box="[609,715,1748,1775]" metricMagnitude="-3" metricUnit="m" metricValue="3.75" metricValueMax="4.5" metricValueMin="3.0" pageId="5" pageNumber="182" unit="mm" value="3.75" valueMax="4.5" valueMin="3.0">3-4.5 mm</quantity>
|
||
long, 4(-5) mm wide at anthesis (flowers recorded open at 1400 hrs:
|
||
<emphasis id="B95ACB5243764C3CFF6FF8CAFE32F8DE" box="[181,424,1811,1838]" italics="true" pageId="5" pageNumber="182">Traclet et al. 665, 666</emphasis>
|
||
), scent if present not recorded. Perianth tube
|
||
<quantity id="4CD6BAA543764C3CFEFAF8EDFE3FF8BD" box="[288,421,1843,1870]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" metricValueMax="1.7" metricValueMin="1.5" pageId="5" pageNumber="182" unit="mm" value="1.6" valueMax="1.7" valueMin="1.5">1.5-1.7 mm</quantity>
|
||
long, cylindrical,
|
||
<quantity id="4CD6BAA543764C3CFDB7F8EAFD5FF8BD" box="[621,709,1844,1870]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" pageId="5" pageNumber="182" unit="mm" value="1.3">1.3 mm</quantity>
|
||
wide, distal portion of tube above anther insertion as broad as the proximal portion. Outer tepals 3, oblong in outline, 1.5-1.8 ×
|
||
<quantity id="4CD6BAA543764C3CFF21F84DFE10F85D" box="[251,394,1939,1966]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.3" metricValueMin="1.2" pageId="5" pageNumber="182" unit="mm" value="1.25" valueMax="1.3" valueMin="1.2">1.2-1.3 mm</quantity>
|
||
, patent, with two slender lateral lobes, diverging from the main, central lobe by up to 45°, lateral lobes arising between the base and the distal half of the central lobe and in the same plane, 0.2-0.7 ×
|
||
<quantity id="4CD6BAA543764C3CFA8AFD06FA31FD01" box="[1360,1451,728,754]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="182" unit="mm" value="0.1">0.1 mm</quantity>
|
||
, apex obtuse. Inner tepals absent. Anthers inserted below the stigmatic head,
|
||
<emphasis id="B95ACB5243764C3CFBDEFCC6FB8CFCC2" box="[1028,1046,792,817]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFBC6FCC9FBE9FCC1" box="[1052,1139,791,818]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="182" unit="mm" value="0.5">0.5 mm</quantity>
|
||
below the sinus between the outer perianth lobes, each
|
||
<quantity id="4CD6BAA543764C3CFB82FCE9FB45FCA1" box="[1112,1247,823,850]" metricMagnitude="-4" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="5" pageNumber="182" unit="mm" value="0.45" valueMax="0.5" valueMin="0.4">0.4-0.5 mm</quantity>
|
||
long,
|
||
<quantity id="4CD6BAA543764C3CFAF3FCE9FA35FCA1" box="[1321,1455,823,850]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" metricValueMax="1.7" metricValueMin="1.5" pageId="5" pageNumber="182" unit="mm" value="1.6" valueMax="1.7" valueMin="1.5">1.5-1.7 mm</quantity>
|
||
wide, the two lateral, dithecal anthers globose,
|
||
<quantity id="4CD6BAA543764C3CFAF6FC89FA35FC81" box="[1324,1455,855,882]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="5" pageNumber="182" unit="mm" value="0.6" valueMax="0.7" valueMin="0.5">0.5-0.7 mm</quantity>
|
||
diam., separated by
|
||
<quantity id="4CD6BAA543764C3CFBCFFCA9FB04FC62" box="[1045,1182,887,913]" metricMagnitude="-4" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="5" pageNumber="182" unit="mm" value="0.25" valueMax="0.3" valueMin="0.2">0.2-0.3 mm</quantity>
|
||
on the large, conspicuous connective. Style cylindrical,
|
||
<quantity id="4CD6BAA543764C3CFB78FC49FA88FC42" box="[1186,1298,919,946]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="5" pageNumber="182" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.5-2 mm</quantity>
|
||
long, 3-lobed at apex, stigmatic head
|
||
<quantity id="4CD6BAA543764C3CFB9AFC69FB06FC22" box="[1088,1180,951,977]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="5" pageNumber="182" unit="mm" value="1.2">1.2 mm</quantity>
|
||
wide, the three stigmas horizontal, each lunate to bifurcate-broadly obtriangular, 0.4-0.6-
|
||
<quantity id="4CD6BAA543764C3CFC5DFC28FC7EFBE2" box="[903,996,1014,1041]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="5" pageNumber="182" unit="mm" value="0.7">0.7 mm</quantity>
|
||
, each with a filiform appendage
|
||
<emphasis id="B95ACB5243764C3CFA89FC29FAFFFBE3" box="[1363,1381,1015,1040]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFAB6FC29FA35FBE2" box="[1388,1455,1015,1041]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="182" unit="mm" value="2.0">2 mm</quantity>
|
||
long arising abruptly from the two sides, the appendages (probable pollen-receptive surfaces) extending along the outer perianth lobes. Ovary cylindric, outer surface lacking conspicuous ribs, 1.5-2 ×
|
||
<quantity id="4CD6BAA543764C3CFBAAFBA8FB6DFB62" box="[1136,1271,1142,1169]" metricMagnitude="-3" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" pageId="5" pageNumber="182" unit="mm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.2-1.4 mm</quantity>
|
||
, unilocular, with 3 protoseptal, intruded parietal placentas, septal nectary glands six, globose,
|
||
<emphasis id="B95ACB5243764C3CFBD4FB68FBBAFB3C" box="[1038,1056,1206,1231]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
<quantity id="4CD6BAA543764C3CFBF2FB68FB18FB23" box="[1064,1154,1206,1232]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="182" unit="mm" value="0.2">0.2 mm</quantity>
|
||
diam., flanking the septae immediately below the junction with the perianth tube. Fruit indehiscent, lacking ribs, globose-ellipsoid,
|
||
<emphasis id="B95ACB5243764C3CFAB7FB28FAE5FAFC" box="[1389,1407,1270,1295]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
1 ×
|
||
<quantity id="4CD6BAA543764C3CFCF7FAC8FCE9FAC3" box="[813,883,1302,1328]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="182" unit="mm" value="1.0">1 mm</quantity>
|
||
, walls membranous, showing seeds; distal perianth tube remains subcylindrical,
|
||
<emphasis id="B95ACB5243764C3CFBB1FAE8FBE7FABC" box="[1131,1149,1334,1359]" italics="true" pageId="5" pageNumber="182">c.</emphasis>
|
||
1.5 ×
|
||
<quantity id="4CD6BAA543764C3CFB18FAEBFA92FAA3" box="[1218,1288,1333,1360]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="182" unit="mm" value="1.0">1 mm</quantity>
|
||
. Seeds globose,
|
||
<quantity id="4CD6BAA543764C3CFCF7FA8BFC5BFA83" box="[813,961,1365,1392]" metricMagnitude="-4" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="5" pageNumber="182" unit="mm" value="0.125" valueMax="0.15" valueMin="0.1">0.1-0.15 mm</quantity>
|
||
diam.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C33444CB43764C3EFCF7FA4AFB6DF81E" lastPageId="7" lastPageNumber="184" pageId="5" pageNumber="182" type="discussion">
|
||
<paragraph id="8B91174043764C3CFCF7FA4AFBA8FA5F" blockId="5.[813,1456,1428,2030]" box="[813,1074,1428,1454]" pageId="5" pageNumber="182">CONSERVATION STATUS</paragraph>
|
||
<paragraph id="8B91174043764C3CFCF7FA6BFAF7F8FD" blockId="5.[813,1456,1428,2030]" pageId="5" pageNumber="182">
|
||
Despite the fact that all populations of
|
||
<taxonomicName id="4C2E6CC343764C3CFB0BFA6BFC22FA1C" authority="Cheek" authorityName="Cheek" authorityYear="2020" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="species" species="mayottensis" status="sp. nov.">
|
||
<emphasis id="B95ACB5243764C3CFB0BFA6BFCFCFA1D" italics="true" pageId="5" pageNumber="182">Gymnosiphon mayottensis</emphasis>
|
||
Cheek
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A269762943764C3CFC1EFA0BFB83FA1C" box="[964,1049,1493,1519]" pageId="5" pageNumber="182" rank="species">sp. nov.</taxonomicNameLabel>
|
||
are found in forest reserves, anthropogenic pressure still represents a strong threat on
|
||
<collectingCountry id="F33957D043764C3CFA96FA2BFA36F9FC" box="[1356,1452,1525,1551]" name="Mayotte" pageId="5" pageNumber="182">Mayotte</collectingCountry>
|
||
. This is because traditional agriculture (slash-and-burn) is increasing everywhere, including inside the forest reserves. During the year 2013, the areas burned in forest reserves represented more than 76 ha (OFDM 2015). In addition, liana covers of the canopy by species such as
|
||
<taxonomicName id="4C2E6CC343764C3CFAC8F94AFCE5F93D" class="Magnoliopsida" family="Convolvulaceae" genus="Decalobanthus" kingdom="Plantae" order="Solanales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="species" species="peltatus">
|
||
<emphasis id="B95ACB5243764C3CFAC8F94AFCE5F93D" italics="true" pageId="5" pageNumber="182">Decalobanthus peltatus</emphasis>
|
||
</taxonomicName>
|
||
(L.) Simões & Staples (
|
||
<taxonomicName id="4C2E6CC343764C3CFB51F96AFAA4F93C" authorityName="de Jussieu" authorityYear="1789" box="[1163,1342,1716,1743]" class="Magnoliopsida" family="Convolvulaceae" kingdom="Plantae" order="Solanales" pageId="5" pageNumber="182" phylum="Tracheophyta" rank="family">Convolvulaceae</taxonomicName>
|
||
) regularly causes forest cover collapses and increases development of invasive alien species which threaten the ecosystem.
|
||
</paragraph>
|
||
<paragraph id="8B91174043764C3EFC99F8CAFB6DF81E" blockId="5.[813,1456,1428,2030]" lastBlockId="7.[813,1455,1684,2030]" lastPageId="7" lastPageNumber="184" pageId="5" pageNumber="182">
|
||
At the main station of the new species (Mount Bénara), less than 30 individuals were observed in a small area (13 ha). However, it is difficult to estimate accurately the size of the population because of the small size of the individuals which makes them inconspicuous. At the Mount Mtsapéré station, less than 25 individuals were found in small area (8 ha). According to the IUCN criteria (
|
||
<bibRefCitation id="EFBF6AB143764C3EFABFF80DFF58F95D" author="IUCN" lastPageId="7" lastPageNumber="184" pageId="5" pageNumber="182" refId="ref7650" refString="IUCN 2012. - IUCN Red List Categories: version 3.1. Prepared by the IUCN Species Survival Commission. IUCN Gland, Switzerland and Cambridge, United Kingdom." type="book" year="2012">IUCN 2012</bibRefCitation>
|
||
), using the IUCN-preferred grid cells of
|
||
<quantity id="4CD6BAA543744C3EFD55F94AFD54F943" box="[655,718,1684,1712]" metricMagnitude="3" metricUnit="m" metricValue="4.0" pageId="7" pageNumber="184" unit="km" value="4.0">4 km</quantity>
|
||
², the area of occupancy is
|
||
<quantity id="4CD6BAA543744C3EFEB2F96AFE3FF93C" box="[360,421,1715,1743]" metricMagnitude="3" metricUnit="m" metricValue="8.0" pageId="7" pageNumber="184" unit="km" value="8.0">8 km</quantity>
|
||
², while the area of occurrence is difficult to calculate since only two points are known but is estimated as
|
||
<quantity id="4CD6BAA543744C3EFEC9F92AFECAF8FC" box="[275,336,1779,1807]" metricMagnitude="3" metricUnit="m" metricValue="9.0" pageId="7" pageNumber="184" unit="km" value="9.0">9 km</quantity>
|
||
², and the species is severely fragmented due to clearance of the forest habitat between the two sites. In addition, we estimate a decline in the area of occupancy, number of localities and habitat quality, and in the number of mature individuals. The number of mature individuals is less than 50. Therefore, we propose, using the
|
||
<bibRefCitation id="EFBF6AB143744C3EFD67F84DFF4BF83E" author="IUCN" pageId="7" pageNumber="184" refId="ref7650" refString="IUCN 2012. - IUCN Red List Categories: version 3.1. Prepared by the IUCN Species Survival Commission. IUCN Gland, Switzerland and Cambridge, United Kingdom." type="book" year="2012">IUCN (2012)</bibRefCitation>
|
||
standard, the assessment of this species as Critically Endangered (B1ab(i-iv), B2ab(i-iv), D) at the global and regional level (
|
||
<collectingCountry id="F33957D043744C3EFC16F94AFBAAF95D" box="[972,1072,1684,1710]" name="Mayotte" pageId="7" pageNumber="184">Mayotte</collectingCountry>
|
||
). It would be highly desirable for it to be the subject of a special protection statute. We recommend that a management plan to ensure the survival of this species is made and implemented. This should include a public sensitisation programme, annual monitoring of the
|
||
<taxonomicName id="4C2E6CC343744C3EFCF7F8EDFC25F8BE" authorityName="Blume" authorityYear="1827" box="[813,959,1843,1869]" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="7" pageNumber="184" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="B95ACB5243744C3EFCF7F8EDFC25F8BE" box="[813,959,1843,1869]" italics="true" pageId="7" pageNumber="184">Gymnosiphon</emphasis>
|
||
</taxonomicName>
|
||
population to determine trends in survivorship and threats, potentially increased guarding of the forest habitat, and seedbanking. Cultivation of achlorophyllous mycotrophic flowering species such as
|
||
<taxonomicName id="4C2E6CC343744C3EFB15F84DFC22F83E" authority="Cheek" authorityName="Cheek" authorityYear="2020" class="Liliopsida" family="Burmanniaceae" genus="Gymnosiphon" kingdom="Plantae" order="Dioscoreales" pageId="7" pageNumber="184" phylum="Tracheophyta" rank="species" species="mayottensis" status="sp. nov.">
|
||
<emphasis id="B95ACB5243744C3EFB15F84DFCFCF83E" italics="true" pageId="7" pageNumber="184">Gymnosiphon mayottensis</emphasis>
|
||
Cheek
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A269762943744C3EFC1EF86AFB80F83D" box="[964,1050,1972,1998]" pageId="7" pageNumber="184" rank="species">sp. nov.</taxonomicNameLabel>
|
||
has never been achieved and so it is recommended that this is not attempted.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |