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166 lines
13 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.107.26548" ID-GBIF-Dataset="b09b328e-de27-4071-8af6-eec29dc3b1df" ID-PMC="PMC6160804" ID-Pensoft-Pub="1314-2003-107-1" ID-Pensoft-UUID="686CFF85FFADFFEAC033443CF54BFFFC" ID-PubMed="30271249" ID-Zenodo-Dep="1346433" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-2003-107-1" ModsDocOrigin="PhytoKeys 107" ModsDocTitle="A revision of Dissochaeta (Melastomataceae, Dissochaeteae)" checkinTime="1555330651054" checkinUser="pensoft" docAuthor="Kartonegoro, Abdulrokhman, Veldkamp, Jan Frits, Hovenkamp, Peter & Welzen, Peter van" docDate="2018" docId="5BEBB0F4526BA625C3AC90B93DDE0D90" docLanguage="en" docName="PhytoKeys 107: 1-178" docOrigin="PhytoKeys 107" docSource="http://dx.doi.org/10.3897/phytokeys.107.26548" docTitle="Dissochaeta brassii Kartonegoro & Veldkamp & Hovenkamp & Welzen 2018, comb. nov." docType="treatment" docVersion="6" id="686CFF85FFADFFEAC033443CF54BFFFC" lastPageNumber="1" masterDocId="686CFF85FFADFFEAC033443CF54BFFFC" masterDocTitle="A revision of Dissochaeta (Melastomataceae, Dissochaeteae)" masterLastPageNumber="178" masterPageNumber="1" pageNumber="1" updateTime="1668139007331" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A revision of Dissochaeta (Melastomataceae, Dissochaeteae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Kartonegoro, Abdulrokhman</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Veldkamp, Jan Frits</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hovenkamp, Peter</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Welzen, Peter van</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>107</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>178</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.107.26548</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.107.26548</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-107-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">686CFF85FFADFFEAC033443CF54BFFFC</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1346433</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="156201499" LSID="urn:lsid:plazi:treatment:5BEBB0F4526BA625C3AC90B93DDE0D90" httpUri="http://treatment.plazi.org/id/5BEBB0F4526BA625C3AC90B93DDE0D90" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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12.
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<taxonomicName LSID="C9C3F05E-FE39-5185-A1DA-AB9FE2953DDA" authority="(M. P. Nayar) Karton." authorityName="Kartonegoro & Veldkamp & Hovenkamp & Welzen" authorityYear="2018" baseAuthorityName="M. P. Nayar" class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta brassii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="brassii" status="comb. nov.">Dissochaeta brassii (M.P.Nayar) Karton.</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">comb. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Map 8" captionStartId="F16" captionText="Map 8. Distribution of D. beccariana (●), D. brassii (■) and D. celebica var. celebica (▲)." figureDoi="10.3897/phytokeys.107.26548.map8" httpUri="https://binary.pensoft.net/fig/222110" pageId="0" pageNumber="1">Map 8</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="reference_group">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta angiensis" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="angiensis">Dissochaeta angiensis</taxonomicName>
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auct. non Ohwi: Veldkamp, Blumea 24: 441. 1979.
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<emphasis italics="true" pageId="0" pageNumber="1">p.p.</emphasis>
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excl. type.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="basionym">
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<paragraph pageId="0" pageNumber="1">Basionym.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authorityName="Nayar" authorityYear="1966" class="Magnoliopsida" family="Melastomataceae" genus="Neodissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Neodissochaeta brassii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="brassii">
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<emphasis italics="true" pageId="0" pageNumber="1">Neodissochaeta brassii</emphasis>
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</taxonomicName>
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M.P.Nayar, Kew Bull. 20: 160. 1966.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Type.</paragraph>
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<paragraph pageId="0" pageNumber="1">Papua New Guinea. Milne Bay: Woodlark Island, Kulumadau, 100 m elev., 14 Nov 1956, L.J. Brass 28743 (holotype: K [K000859607]!; isotype: L [L0537255]!).</paragraph>
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<caption ID-Zenodo-Dep="1346547" doi="10.3897/phytokeys.107.26548.map8" httpUri="https://binary.pensoft.net/fig/222110" pageId="0" pageNumber="1" start="Map 8" startId="F16">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Map 8.</emphasis>
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Distribution of
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. beccariana" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="beccariana">
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<emphasis italics="true" pageId="0" pageNumber="1">D. beccariana</emphasis>
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</taxonomicName>
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(●),
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. brassii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="brassii">
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<emphasis italics="true" pageId="0" pageNumber="1">D. brassii</emphasis>
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</taxonomicName>
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(■) and
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<taxonomicName authority="var. celebica" class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" infraspecific-rank="var." kingdom="Plantae" lsidName="D. celebica var. celebica" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="celebica" variety="celebica">D. celebica var. celebica</taxonomicName>
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(▲).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Climbing up to 10 m in height. Branchlets terete, 3-4 mm in diameter, glabrescent to densely covered with brown stellate-furfuraceous hairs; nodes swollen, with interpetiolar line; internodes 4-6.5 cm long. Leaves: petioles flattened, 1.2-1.6 cm long, densely stellate-furfuraceous; blades elliptic, 9-13.4
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<normalizedToken originalValue="×">x</normalizedToken>
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3.4-6.4 cm, membranous, base rounded or emarginate, margin entire, apex acuminate, tip 1.5-1.8 cm long; nervation with 1 or 2 pairs of lateral nerves and 1 pair of intramarginal nerves; adaxially glabrous, dark glossy green, abaxially densely brown stellate-furfuraceous, rarely rugose. Inflorescences terminal, 15-22 cm long, many-flowered; main axis densely brown stellate-furfuraceous; primary axes up to 15.5 cm long with 3 or 4 nodes, secondary axes 3-6 cm long with 2 or 3 nodes, tertiary axes 0.6-1.8 cm long with 1 node; bracts linear, 1.5-2 cm long, densely tomentose; bracteoles minute, 1-2 mm long, caducous, densely brown stellate-furfuraceous; pedicels stellate-furfuraceous, 2-3 mm long in central flowers, 1-2 mm in lateral flowers. Hypanthium tubular or funnelform, 4-6
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 mm, densely brown stellate-tomentose; calyx lobes slightly triangular, 2-2.5 mm long; petal bud conical, 5-7
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 mm, glabrous; mature petals obovate, 7-8
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<normalizedToken originalValue="×">x</normalizedToken>
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ca. 4 mm, base clawed, apex rounded, glabrous, white or pale pink. Stamens 4, equal, alternipetalous, filaments straight, 5-6 mm long; anthers oblong-lanceolate, thecae 5-6 mm long, straight, yellow, pedoconnective bent, ca. 1 mm long, basal crest ligular, up to 2 mm long, lateral appendages erose or paired, filiform with irregular margin, 1.5-2.5 mm long. Ovary ⅔ of hypanthium in length, apex pubescent; style 8-9 mm long, glabrous; stigma minute; extra-ovarial chambers 4, extending to the middle of the ovary. Fruits urceolate, obpyriform, 6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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5-6 mm, glabrescent; calyx remnants caducous. Seeds ca. 0.5 mm long.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="distribution">
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<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="1">New Guinea (Papua New Guinea).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="ecology">
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<paragraph pageId="0" pageNumber="1">Ecology and habitat.</paragraph>
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<paragraph pageId="0" pageNumber="1">On the edge of forests, secondary forest or road banks at 100-700 m elevation.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="notes">
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<paragraph pageId="0" pageNumber="1">Note.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<bibRefCitation author="Veldkamp, JF" journalOrPublisher="Blumea" pageId="0" pageNumber="1" pagination="437 - 446" refId="B77" refString="Veldkamp, JF, 1979. Notes on Creochiton, Dissochaeta, and Macrolenes (Melastomataceae). Blumea 24: 437 - 446" title="Notes on Creochiton, Dissochaeta, and Macrolenes (Melastomataceae)." volume="24" year="1979">Veldkamp (1979)</bibRefCitation>
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regards this species as a synonym of
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. angiensis" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="angiensis">
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<emphasis italics="true" pageId="0" pageNumber="1">D. angiensis</emphasis>
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</taxonomicName>
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, which is also distributed in New Guinea and also has only 4 stamens.
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta brassii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="brassii">
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<emphasis italics="true" pageId="0" pageNumber="1">Dissochaeta brassii</emphasis>
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</taxonomicName>
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differs in having slightly triangular, 2-2.5 mm long calyx lobes, while
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. angiensis" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="angiensis">
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<emphasis italics="true" pageId="0" pageNumber="1">D. angiensis</emphasis>
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</taxonomicName>
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has truncate, ca. 1 mm long calyx lobes. The lobes of this species will fall off when fruiting and the shape of the fruits is then sometimes similar to resembling species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">PAPUA NEW GUINEA. East Sepik</emphasis>
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: Ambunti, Waskuk Hills, 100 m, 28 Jun 1995, J.C. Regalado & W. Takeuchi 1426 (K, L).
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<emphasis bold="true" pageId="0" pageNumber="1">Gulf</emphasis>
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: Lakekamu, Avi Avi River, 105 m, 25 Oct 1996, W. Takeuchi & J. Kulang 11438 (K, L, P).
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<emphasis bold="true" pageId="0" pageNumber="1">Milne Bay</emphasis>
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: Maneau Range, Mt. Dayman, 700 m, 17 Jul 1953, L.J. Brass 23485 (L); Woodlark Island, Kulumadau, 100 m, 14 Nov 1956, L.J. Brass 28743 (K, L); Misima Island, Mt. Sisa, 21 Jul 1956, L.J. Brass 27443 (L).
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<emphasis bold="true" pageId="0" pageNumber="1">Morobe</emphasis>
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: Herzog Mts., above Gabensis, 680 m, 12 Jun 1991, W. Takeuchi 7040 (L);
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<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
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, W. Takeuchi 7040A (L); Lae, Markham Point, 240 m, 9 Jan 1963, E.E. Henty NGF 14886 (BO, K, L); Along Tymne-Wago track, 600 m, 14 Mar 1963, T.G. Hartley 11395 (K); Labu Swamp, 7 May 1990, W. Takeuchi 5668 (BO, K, L).
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<emphasis bold="true" pageId="0" pageNumber="1">New Britain</emphasis>
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: Kandrian, Piri Longi, 400 m, 13 Mar 1965, C.D. Sayers NGF 21952 (BO, K, L).
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<emphasis bold="true" pageId="0" pageNumber="1">Sepik</emphasis>
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: Lumi, Mt. Torricelli, 884 m, 22 Aug 1961, P.J. Darbyshire 247 (K, L).
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<emphasis bold="true" pageId="0" pageNumber="1">Southern Highlands</emphasis>
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: Lake Kutubu, near Tage, 823 m, 21 Sep 1961, R. Schodde 2189 (K, L).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |