180 lines
14 KiB
XML
180 lines
14 KiB
XML
<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="ED166287BF26970A78DC124C5665C380" docLanguage="en" docName="PhytoKeys 107: 1-178" docOrigin="PhytoKeys 107" docSource="http://dx.doi.org/10.3897/phytokeys.107.26548" docTitle="Dissochaeta rectandra Kartonegoro & Veldkamp & Hovenkamp & Welzen 2018, sp. 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="156201478" LSID="urn:lsid:plazi:treatment:ED166287BF26970A78DC124C5665C380" httpUri="http://treatment.plazi.org/id/ED166287BF26970A78DC124C5665C380" 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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45.
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<taxonomicName LSID="ED166287-BF26-970A-78DC-124C5665C380" authority="Karton." authorityName="Kartonegoro & Veldkamp & Hovenkamp & Welzen" authorityYear="2018" class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta rectandra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="rectandra" status="sp. nov.">Dissochaeta rectandra Karton.</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 25" captionStartId="F49" captionText="Figure 25. Dissochaeta rectandra a habit b inflorescence c hypanthium d open flower e ovary f alternipetalous stamens g oppositipetalous stamens h fruit. [drawn from Carrick 1606 (L)." figureDoi="10.3897/phytokeys.107.26548.figure25" httpUri="https://binary.pensoft.net/fig/222143" pageId="0" pageNumber="1">Fig. 25</figureCitation>
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<figureCitation captionStart="Map 24" captionStartId="F47" captionText="Map 24. Distribution of D. pubescens (●), D. rectandra (■) and D. vacillans (▲)." figureDoi="10.3897/phytokeys.107.26548.map24" httpUri="https://binary.pensoft.net/fig/222141" pageId="0" pageNumber="1">, Map 24</figureCitation>
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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">
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Malaysia. Pahang:
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<normalizedToken originalValue="Fraser’s">Fraser's</normalizedToken>
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Hill, 3 Aug 1967, J.C. Carrick 1606 (holotype L [L.2533494]!; isotypes: K!, KLU
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<emphasis italics="true" pageId="0" pageNumber="1">n.v.</emphasis>
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, L [L.2533495]!, SING
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<emphasis italics="true" pageId="0" pageNumber="1">n.v.</emphasis>
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).
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</paragraph>
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<caption ID-Zenodo-Dep="1346471" doi="10.3897/phytokeys.107.26548.figure25" httpUri="https://binary.pensoft.net/fig/222143" pageId="0" pageNumber="1" start="Figure 25" startId="F49">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 25.</emphasis>
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta rectandra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="rectandra">
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<emphasis italics="true" pageId="0" pageNumber="1">Dissochaeta rectandra</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
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habit
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<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
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inflorescence
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<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
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hypanthium
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<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
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open flower
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<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
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ovary
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<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
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alternipetalous stamens
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<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
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oppositipetalous stamens
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<emphasis bold="true" pageId="0" pageNumber="1">h</emphasis>
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fruit. [drawn from Carrick 1606 (L).
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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="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Resembles
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. bakhuizenii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="bakhuizenii">
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<emphasis italics="true" pageId="0" pageNumber="1">D. bakhuizenii</emphasis>
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</taxonomicName>
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Veldkamp. Leaf blade margin entire or thinly serrate with glabrous to sparsely stellate punctation below. Hypanthium campanulate-angular, 6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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3-3.5 mm, glabrescent to sparsely stellate-puberulous, calyx lobes truncate with 4 small undulate points, 1-1.5 mm long, glabrous outside, stellate-furfuraceous inside. Stamens 8, subequal, filaments and anthers straight upwards, alternipetalous stamens with triangular basal crest and paired, filiform, lateral appendages, oppositipetalous stamens with ligular basal crest and paired filiform appendages. Fruits with mammiform apex.
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</paragraph>
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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 7.5 m. Branchlets terete, 3-5 mm in diameter, glabrescent; nodes swollen, interpetiolar ridge distinct with annular crest-like ridge; internodes 5-12 cm long. Leaves: petioles flattened, 10-23 mm long, stellate-punctate; blades elliptic or ovate-elliptic, 9.5-18
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<normalizedToken originalValue="×">x</normalizedToken>
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5-9.2 cm, membranous, base rounded to slightly cuneate, margin entire or thinly serrate, apex acuminate, tip 1-2 cm long; nervation with 1-2 pairs of lateral nerves and 1 pair of intramarginal nerves; adaxially glabrous, dark green, abaxially glabrous to brownish stellate-punctate, maroonish and glabrous when young. Inflorescences terminal, up to 40 cm long, many-flowered; main axis terete, glabrescent to sparsely stellate-puberulous; primary axes up to 33 cm long with 5 or 6 nodes, secondary axes up to 10 cm long with 3 or 4 nodes, tertiary axes 1-2.5 cm long with 1 or 2 nodes, quarternary axes when developed up to 0.8 cm long with 1 node; bracts linear, 2-2.5 mm long, stellate-furfuraceous, caducous; bracteoles subulate, 1-1.5 mm long, stellate-furfuraceous; pedicels stellate-furfuraceous, 4-6 mm long in central flowers, 2-3 mm long in lateral flowers. Hypanthium campanulate-angular, 6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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3-3.5 mm, glabrescent to sparsely stellate-puberulous; calyx lobes truncate with 4 small undulate points, 1-1.5 mm long, glabrous outside, stellate-furfuraceous inside; petal buds conical, 4-9
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 mm, glabrous; mature petals obovate to suborbicular, 10-11
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<normalizedToken originalValue="×">x</normalizedToken>
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8-9 mm, base clawed, margin ciliate, apex rounded, glabrous, pink to dark purple. Stamens 8, subequal, filaments straight, white pinkish; alternipetalous stamens with 8-9 mm long filaments, anthers lanceolate, thecae 7-8 mm long, straight, yellow, pedoconnective 1.5-2 mm long, basal crests triangular, 1-1.5 mm long, acute, lateral appendages prolonged from basal crest, paired, filiform, 2-2.5 mm long; oppositipetalous stamens with filaments 7-8 mm long, bent at top, anthers oblong-lanceolate, thecae 6-7 mm long, straight, yellow, basal crest ligular, 1-1.5 mm long, apex narrow, lateral appendages paired, filiform, 2-3 mm long. Ovary half as long as hypanthium, apex pubescent, bristly; style 12-13 mm long, straight, curved at top, glabrous; stigma minute, capitate; extra-ovarial chambers 8, extending from the middle to the base of the ovary. Fruits urceolate, 8-10
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<normalizedToken originalValue="×">x</normalizedToken>
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6-9 mm, apex mammiform, bristly, rest glabrous; calyx lobes persistent, erect. 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">Peninsular Malaysia (Selangor and Pahang).</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">Montane forest, open areas along road sides at 1280-1800 m elevation.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="etymology">
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<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="1">The species is named after the orientation and shape of its stamens, erect, straight upwards when mature.</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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<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta rectandra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="rectandra">
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<emphasis italics="true" pageId="0" pageNumber="1">Dissochaeta rectandra</emphasis>
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</taxonomicName>
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resembles
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. bakhuizenii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="bakhuizenii">
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<emphasis italics="true" pageId="0" pageNumber="1">D. bakhuizenii</emphasis>
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</taxonomicName>
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in having 8 fertile stamens, a triangular basal crest (alternipetalous) and ligular basal crest (oppositipetalous).
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" genus="Dissochaeta" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dissochaeta rectandra" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="rectandra">
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<emphasis italics="true" pageId="0" pageNumber="1">Dissochaeta rectandra</emphasis>
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</taxonomicName>
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has thinly serrate leaf margins, large flowers and longer lateral appendages on the stamens (vs. entire margins of leaf blades, smaller flowers and short to absent lateral appendages in
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<taxonomicName class="Magnoliopsida" family="Melastomataceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="D. bakhuizenii" order="Myrtales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="bakhuizenii">
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<emphasis italics="true" pageId="0" pageNumber="1">D. bakhuizenii</emphasis>
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</taxonomicName>
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). This species is restricted to the montane forest of
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<normalizedToken originalValue="Fraser’s">Fraser's</normalizedToken>
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Hill (Pahang) and the Genting Highlands (Selangor).
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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">MALAYSIA. Pahang</emphasis>
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:
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<normalizedToken originalValue="Fraser’s">Fraser's</normalizedToken>
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Hill, 3 Aug 1967, J.C. Carrick 1606 (K, L);
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<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
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, Richmond, 1280 m, 16 Apr 1955, J.W. Purseglove 4112 (L).
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<emphasis bold="true" pageId="0" pageNumber="1">Selangor</emphasis>
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: Genting Highlands, Gunong Ulu Kali, 1800 m, 3 Jun 1978, J.F. Maxwell 78-307 (L);
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<emphasis italics="true" pageId="0" pageNumber="1">Ibid.</emphasis>
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, 1500 m, 3 Jun 1978, J.F. Maxwell 78-312 (L).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |