<documentid="4DD04DAD5AC8C83B1EC28D2FBD59B304"ID-DOI="10.11646/phytotaxa.349.3.1"ID-ISSN="1179-3163"ID-Zenodo-Dep="13709257"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1725594314776"checkinUser="felipe"docAuthor="Meve, Ulrich, Gâteblé, Gildas & Liede-Schumann, Sigrid"docDate="2018"docId="038E0144FFC5E7198CE8F361FA3FC62C"docLanguage="en"docName="phytotaxa.349.3.1.pdf"docOrigin="Phytotaxa 349 (3)"docSource="http://dx.doi.org/10.11646/phytotaxa.349.3.1"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Marsdenia kuniensis Meve, Gateble & Liede. A 2018, sp. nov."docType="treatment"docVersion="2"lastPageNumber="208"masterDocId="FFB7793CFFC0E71E8C60F12FFF9AC108"masterDocTitle="Two new species from the Ile des Pins (New Caledonia), and a not so new species from Grande Terre (New Caledonia)"masterLastPageNumber="213"masterPageNumber="201"pageNumber="206"updateTime="1725605376610"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="ECD333E9D126ED65C4D498DE5506F781">Two new species from the Ile des Pins (New Caledonia), and a not so new species from Grande Terre (New Caledonia)</mods:title>
<mods:affiliationid="B7886D500F99C2952BBB51E17B7E20A0">Department of Plant Systematics, University of Bayreuth, 95448 Bayreuth, Germany</mods:affiliation>
<mods:affiliationid="F22E851AEBAB42B27BE89E604432C07E">Institut Agronomique Néo-Calédonien, Equipe ARBOREAL, BP 711, 98810 Mont-Dore, New Caledonia</mods:affiliation>
<mods:affiliationid="D4BFD1B984FA8471BD5F2DE5D259A787">Department of Plant Systematics, University of Bayreuth, 95448 Bayreuth, Germany</mods:affiliation>
<taxonomicNameid="4C27CBD1FFC5E71B8CE8F361FD02C361"ID-CoL="8S7HY"authority="Meve, Gateble & Liede"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[136,664,590,617]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="5"pageNumber="206"phylum="Tracheophyta"rank="species"species="kuniensis"status="sp. nov.">
<figureCitationid="131CACD7FFC5E71B8F6DF37FFC1DC361"box="[781,903,592,617]"captionStart="FIGURE 1"captionStartId="2.[136,229,1953,1974]"captionTargetBox="[159,1429,219,1911]"captionTargetId="figure-19@2.[159,1429,187,1925]"captionTargetPageId="2"captionText="FIGURE 1. A, B, Heterostemma bicanthaceum (A, Ile des Pins, Sentier Oro-Upi, 20-04-16, GG756, photo: G. Gâteblé; B, Ile des Pins, 20-04-2016, photo: C. Laudereau). C, D, Marsdenia kuniensis (C, Ile des Pins, Sentier Oro-Upi, 20 Apr 2016, GG754). E, F, Marsdenia neomicrostoma (Grande Terre, Tinip, 08 Mar 2007). (Photo: A,C, E–F: G. Gâteblé; B, D: C. Laudereau)."figureDoi="http://doi.org/10.5281/zenodo.13709261"httpUri="https://zenodo.org/record/13709261/files/figure.png"pageId="5"pageNumber="206">Fig. 1C, D</figureCitation>
<figureCitationid="131CACD7FFC5E71B8FF3F37FFC3EC361"box="[915,932,592,617]"captionStart="FIGURE 4"captionStartId="6.[136,229,1733,1754]"captionTargetBox="[170,1431,191,1694]"captionTargetId="figure-19@6.[151,1437,187,1711]"captionTargetPageId="6"captionText="FIGURE 4. Marsdenia kuniensis Meve, Gâteblé & Liede. A, leafy branch; B, flower in lateral view with parts cut away to expose gynostegium with corona; C, sepal, abaxial view; D, anther with corona lobe attached; E, pollinarium; F, style-head. All from Gâteblé et al. 754 (Drawn by U.Meve)."figureDoi="http://doi.org/10.5281/zenodo.13709269"httpUri="https://zenodo.org/record/13709269/files/figure.png"pageId="5"pageNumber="206">4</figureCitation>
<figureCitationid="131CACD7FFC5E71B8FCFF37FFC27C361"box="[943,957,592,617]"captionStart="FIGURE 5"captionStartId="7.[136,229,1122,1143]"captionTargetBox="[151,1436,190,1097]"captionTargetId="figure-14@7.[151,1436,190,1097]"captionTargetPageId="7"captionText="FIGURE 5. Distribution of Marsdenia kuniensis Meve, Gâteblé & Liede."figureDoi="http://doi.org/10.5281/zenodo.13709271"httpUri="https://zenodo.org/record/13709271/files/figure.png"pageId="5"pageNumber="206">5</figureCitation>
<locationid="8EF8E689FFC5E71B8D02F359FE4EC383"LSID="urn:lsid:plazi:treatment:038E0144FFC5E7198CE8F361FA3FC62C:8EF8E689FFC5E71B8D02F359FE4EC383"box="[354,468,630,651]"country="New Caledonia"county="Saint-Louis"municipality="Sentier"name="Ile des Pins"pageId="5"pageNumber="206">Ile des Pins</location>
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. Gâteblé &
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,
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<emphasisid="B9536C40FFC5E71B8E31F391FDA4C213"italics="true"pageId="5"pageNumber="206">but differing in the shape of the upper rim of the corolla tube that is fleshy and protrudes inwardly to create a suburceolate flower tube that strictly encloses the corona (vs. corolla tube more open, not explicitly fleshy and not strictly enclosing the corona in</emphasis>
<emphasisid="B9536C40FFC5E71B8EB4F229FA13C213"box="[724,1417,774,795]"italics="true"pageId="5"pageNumber="206">); the white to rose-coloured corolla (vs. purple red to purple brown in</emphasis>
<emphasisid="B9536C40FFC5E71B8D5EF205FB0FC237"box="[318,1173,810,831]"italics="true"pageId="5"pageNumber="206">protruding staminal corona lobes broader than long (vs. laminar and longer than broad in</emphasis>
<emphasisid="B9536C40FFC5E71B8946F205FBEEC26B"italics="true"pageId="5"pageNumber="206">);the mouth of guide rails not surmounting the bases of corona lobes (vs. surmounting the bases of corona lobes in</emphasis>
<emphasisid="B9536C40FFC5E71B8966F261FCA5C28F"italics="true"pageId="5"pageNumber="206">), and a narrowly oblong corpusculum, c. 220 x 85 μm (vs. ovoid, c. 280 x 120 μm in</emphasis>
diam., (sub)sessile, with round nectar cavities below the mouth of guide rails; anthers subrectangular, abaxially planar; anther wings (guide rail) c. 500 μm long, shorter than the partially circumfluent corona lobes consisting of distal and proximal ridge, oblique to 30°, anther wings of adjacent anthers divergent towards the base; connective appendages c. 700 x 500 μm, triangular, narrower than the stamen, appressed to style-head.
: corpusculum c. 220 x c. 85 μm, narrowly oblong; caudicles c. 200 x 35 μm, (sub-)basally inserted at the corpusculum, linear, sligthly bent downwards; pollinia subapically attached to the caudicles, erect, c. 400 x c. 150 μm, round in cross-section, oblongoid.
<figureCitationid="131CACD7FFC5E71B8D2CF687FE15C6C9"box="[332,399,1960,1985]"captionStart="FIGURE 5"captionStartId="7.[136,229,1122,1143]"captionTargetBox="[151,1436,190,1097]"captionTargetId="figure-14@7.[151,1436,190,1097]"captionTargetPageId="7"captionText="FIGURE 5. Distribution of Marsdenia kuniensis Meve, Gâteblé & Liede."figureDoi="http://doi.org/10.5281/zenodo.13709271"httpUri="https://zenodo.org/record/13709271/files/figure.png"pageId="5"pageNumber="206">Fig. 5</figureCitation>
<paragraphid="8B98B052FFC5E71B8CDDF6E3FD06C901"blockId="5.[136,1452,952,2057]"pageId="5"pageNumber="206">Etymology: The name refers to the indigenous gallicized name (Kunié or Kounié) of the Ile des Pins. The native people call the island “Kwényii” or “Kwênyii”.</paragraph>
<taxonomicNameid="4C27CBD1FFC6E7188D69F7EBFD74C7D2"authority="Meve, Gateble & Liede. A"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[265,750,1732,1754]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="6"pageNumber="207"phylum="Tracheophyta"rank="species"species="kuniensis">
, leafy branch; B, flower in lateral view with parts cut away to expose gynostegium with corona; C, sepal, abaxial view; D, anther with corona lobe attached; E, pollinarium; F, style-head. All from
<emphasisid="B9536C40FFC6E7188928F7C6FF51C62A"italics="true"pageId="6"pageNumber="207">Gâteblé et al. 754</emphasis>
<taxonomicNameid="4C27CBD1FFC6E7188ED9F67CFC05C664"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[697,927,1875,1900]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="6"pageNumber="207"phylum="Tracheophyta"rank="species"species="kuniensis">
is restricted to the coastal calcareous rainforests of Ile des Pins. Herbarium specimens are only available from the south part of the island but sterile plants have been observed by
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in the forests around Gadji, in the north of the island. The species is not rare in the two localities but it is localized only in the richest and best preserved parts of the forests. The threats are quite low with a few feral pigs (
) in both localities and low logging in the Gadji area. We then propose the “EN” category for this species using Red List criteria (
<bibRefCitationid="EFB6CDA3FFC6E7188E8CF928FCE9C928"author="IUCN Standards & Petitions Subcommittee"box="[748,883,2055,2080]"pageId="6"pageNumber="207"refId="ref8316"refString="IUCN Standards and Petitions Subcommittee (2017) Guidelines for Using the IUCN Red List Categories and Criteria: version 13. Prepared by the Standards and Petitions Subcommittee. Available from: http: // www. iucn. org / RedListGuidelines. pdf (accessed: February 2018)"type="url"year="2017">IUCN 2017</bibRefCitation>
) under the criterion
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<taxonomicNameid="4C27CBD1FFC7E7198EA4F588FCCDC5C8"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[708,855,1191,1216]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="7"pageNumber="208"phylum="Tracheophyta"rank="species"species="kuniensis">
. Flower colour, however, makes separation possible, with the white to rose-coloured corolla that contrasts to the purple red to purple brown corolla of
. The shape of the corolla tube as well as the staminal corona lobes are most significant for distinguishing between the two closely related elements. There is more space between the (campanulate) corolla tube and the corona in
<taxonomicNameid="4C27CBD1FFC7E7198FCCF418FBA3C458"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[940,1081,1335,1360]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="7"pageNumber="208"phylum="Tracheophyta"rank="species"species="kuniensis">
, where the upper rim below the sinuses of the corolla lobes is fairly fleshy and protrudes inward to create a more suburceolate flower tube shape that strictly encloses the corona (
<figureCitationid="131CACD7FFC7E7198DA9F450FDB2C490"box="[457,552,1407,1432]"captionStart="FIGURE 4"captionStartId="6.[136,229,1733,1754]"captionTargetBox="[170,1431,191,1694]"captionTargetId="figure-19@6.[151,1437,187,1711]"captionTargetPageId="6"captionText="FIGURE 4. Marsdenia kuniensis Meve, Gâteblé & Liede. A, leafy branch; B, flower in lateral view with parts cut away to expose gynostegium with corona; C, sepal, abaxial view; D, anther with corona lobe attached; E, pollinarium; F, style-head. All from Gâteblé et al. 754 (Drawn by U.Meve)."figureDoi="http://doi.org/10.5281/zenodo.13709269"httpUri="https://zenodo.org/record/13709269/files/figure.png"pageId="7"pageNumber="208">Fig. 4 B</figureCitation>
, which are also notched along the lower half with the lateral parts spreading wing-like. Also, the mouth of guide-rails are not surmounting the bases of corona lobes in
<taxonomicNameid="4C27CBD1FFC7E71989EDF4E8FF6AC70C"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="7"pageNumber="208"phylum="Tracheophyta"rank="species"species="kuniensis">
. The connective appendages are lanceolate and longer than the corona lobes in
<taxonomicNameid="4C27CBD1FFC7E7198CE8F720FE8EC720"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[136,276,1551,1576]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="7"pageNumber="208"phylum="Tracheophyta"rank="species"species="kuniensis">
. Finally, the top of style-head is specifically long and pointed in
<taxonomicNameid="4C27CBD1FFC7E7198EA2F71CFCD4C744"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[706,846,1587,1612]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="7"pageNumber="208"phylum="Tracheophyta"rank="species"species="kuniensis">
<taxonomicNameid="4C27CBD1FFC7E7198F3BF71CFBD8C744"authorityName="Meve, Gateble & Liede. A"authorityYear="2018"box="[859,1090,1587,1612]"class="Magnoliopsida"family="Apocynaceae"genus="Marsdenia"kingdom="Plantae"order="Gentianales"pageId="7"pageNumber="208"phylum="Tracheophyta"rank="species"species="kuniensis">
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04258631,
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); Ile des Pins: Sentier entre baie d´Oro et baie d´Upi,
<emphasisid="B9536C40FFC7E7198EABF7C8FBC1C608"box="[715,1115,1767,1792]"italics="true"pageId="7"pageNumber="208">Gâteblé, Karnadi & Laudereau 754</emphasis>
(
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,
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(in alc.)); Ile des Pins, Sentier entre baie d´Oro et baie d´Upi, plant cultivated at SRA Saint-Louis,
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