treatments-xml/data/7F/19/7B/7F197B48D09B53A8A0166895F173083B.xml
2024-06-21 12:41:48 +02:00

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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.138.36769" ID-PMC="PMC6969015" ID-Pensoft-Pub="1314-2003-138-41" ID-Pensoft-UUID="FA9CED6B9E125F1F8DB505E6FCB5FDA1" ID-PubMed="31988604" ModsDocID="1314-2003-138-41" checkinTime="1578757992510" checkinUser="pensoft" docAuthor="Zhou, Shi-Shun, Quan, Rui-Chang, Li, Ren, Liu, Qiang &amp; Yin, Jian-Tao" docDate="2020" docId="7F197B48D09B53A8A0166895F173083B" docLanguage="en" docName="PhytoKeys 138: 41-47" docOrigin="PhytoKeys 138" docSource="http://dx.doi.org/10.3897/phytokeys.138.36769" docTitle="Colocasia kachinensis S. S. Zhou &amp; J. T. Yin, sp. nov." docType="treatment" docVersion="5" id="FA9CED6B9E125F1F8DB505E6FCB5FDA1" lastPageNumber="41" masterDocId="FA9CED6B9E125F1F8DB505E6FCB5FDA1" masterDocTitle="Colocasia kachinensis, a new species of Araceae from Myanmar" masterLastPageNumber="47" masterPageNumber="41" pageNumber="41" updateTime="1668139622435" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Colocasia kachinensis, a new species of Araceae from Myanmar</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhou, Shi-Shun</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Quan, Rui-Chang</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Ren</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liu, Qiang</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yin, Jian-Tao</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>138</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>41</mods:start>
<mods:end>47</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.138.36769</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.138.36769</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-138-41</mods:identifier>
<mods:identifier type="Pensoft-UUID">FA9CED6B9E125F1F8DB505E6FCB5FDA1</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="161671979" LSID="urn:lsid:plazi:treatment:7F197B48D09B53A8A0166895F173083B" httpUri="http://treatment.plazi.org/id/7F197B48D09B53A8A0166895F173083B" lastPageNumber="41" pageId="0" pageNumber="41">
<subSubSection pageId="0" pageNumber="41" type="nomenclature">
<paragraph pageId="0" pageNumber="41">
<taxonomicName LSID="7F197B48-D09B-53A8-A016-6895F173083B" authority="S. S. Zhou &amp; J. T. Yin, sp. nov." class="Liliopsida" family="Araceae" genus="Colocasia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Colocasia kachinensis" order="Alismatales" pageId="0" pageNumber="41" phylum="Tracheophyta" rank="species" species="kachinensis">Colocasia kachinensis S.S.Zhou &amp; J.T.Yin, sp. nov.</taxonomicName>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. C. kachinensis. A plant B inflorescence C lower surface of leaf D spadix." figureDoi="10.3897/phytokeys.138.36769.figure1" httpUri="https://binary.pensoft.net/fig/370046" pageId="0" pageNumber="41">Figures 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Holotype of C. kachinensis. See text for collection details." figureDoi="10.3897/phytokeys.138.36769.figure2" httpUri="https://binary.pensoft.net/fig/370047" pageId="0" pageNumber="41">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Stem of C. kachinensis and morphological comparison between C. menglaensis and C. kachinensis. A stem of C. kachinensis B lower surface of leaf x 100 of C. menglaensis C lower surface of leaf x 100 of C. kachinensis." figureDoi="10.3897/phytokeys.138.36769.figure3" httpUri="https://binary.pensoft.net/fig/370048" pageId="0" pageNumber="41">, 3</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Male flower of C. kachinensis. Drawn by Mr. Bo Pan from the holotype. A Male part of spadix B 1 - androus flower C 2 - androus flower D 4 - androus flower E 3 - androus flower." figureDoi="10.3897/phytokeys.138.36769.figure4" httpUri="https://binary.pensoft.net/fig/370049" pageId="0" pageNumber="41">, 4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="reference_group">
<paragraph pageId="0" pageNumber="41">
<taxonomicName class="Liliopsida" family="Araceae" genus="Colocasia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Colocasia" order="Alismatales" pageId="0" pageNumber="41" phylum="Tracheophyta" rank="section" section="Caulescentes">Colocasia sect. Caulescentes</taxonomicName>
Engl.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="diagnosis">
<paragraph pageId="0" pageNumber="41">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="41">
The morphological characteristics of
<taxonomicName lsidName="C. kachinensis" pageId="0" pageNumber="41" rank="species" species="kachinensis">
<emphasis italics="true" pageId="0" pageNumber="41">C. kachinensis</emphasis>
</taxonomicName>
are closely related to those of
<taxonomicName lsidName="C. menglaensis" pageId="0" pageNumber="41" rank="species" species="menglaensis">
<emphasis italics="true" pageId="0" pageNumber="41">C. menglaensis</emphasis>
</taxonomicName>
but
<taxonomicName lsidName="C. kachinensis" pageId="0" pageNumber="41" rank="species" species="kachinensis">
<emphasis italics="true" pageId="0" pageNumber="41">C. kachinensis</emphasis>
</taxonomicName>
differs in having an erect stem (see Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Stem of C. kachinensis and morphological comparison between C. menglaensis and C. kachinensis. A stem of C. kachinensis B lower surface of leaf x 100 of C. menglaensis C lower surface of leaf x 100 of C. kachinensis." figureDoi="10.3897/phytokeys.138.36769.figure3" httpUri="https://binary.pensoft.net/fig/370048" pageId="0" pageNumber="41">3</figureCitation>
), no stolons, smaller leaf and inflorescence and glossy petiole and peduncle.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="materials_examined">
<paragraph pageId="0" pageNumber="41">Type.</paragraph>
<paragraph pageId="0" pageNumber="41">
MYANMAR. Kachin State. Putao Township, Hponkanrazi Wildlife Sanctuary, Namse Village,
<geoCoordinate degrees="97" direction="east" minutes="18" orientation="longitude" precision="1" seconds="30.3" value="97.30842">97°18'30.3&quot;E</geoCoordinate>
,
<geoCoordinate degrees="27" direction="north" minutes="17" orientation="latitude" precision="1" seconds="49.7" value="27.297138">27°17'49.7&quot;N</geoCoordinate>
, alt. 1238 m, 26 April 2016, Jian-Tao Yin 2483 (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Holotype of C. kachinensis. See text for collection details." figureDoi="10.3897/phytokeys.138.36769.figure2" httpUri="https://binary.pensoft.net/fig/370047" pageId="0" pageNumber="41">2</figureCitation>
) (holotype, HITBC!, isotype: HITBC!)
</paragraph>
<caption doi="10.3897/phytokeys.138.36769.figure1" httpUri="https://binary.pensoft.net/fig/370046" pageId="0" pageNumber="41" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="41">
<emphasis bold="true" pageId="0" pageNumber="41">Figure 1.</emphasis>
<taxonomicName lsidName="C. kachinensis" pageId="0" pageNumber="41" rank="species" species="kachinensis">
<emphasis italics="true" pageId="0" pageNumber="41">C. kachinensis</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="41">A</emphasis>
plant
<emphasis bold="true" pageId="0" pageNumber="41">B</emphasis>
inflorescence
<emphasis bold="true" pageId="0" pageNumber="41">C</emphasis>
lower surface of leaf
<emphasis bold="true" pageId="0" pageNumber="41">D</emphasis>
spadix.
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.138.36769.figure2" httpUri="https://binary.pensoft.net/fig/370047" pageId="0" pageNumber="41" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="41">
<emphasis bold="true" pageId="0" pageNumber="41">Figure 2.</emphasis>
Holotype of
<taxonomicName lsidName="C. kachinensis." pageId="0" pageNumber="41" rank="species" species="kachinensis.">
<emphasis italics="true" pageId="0" pageNumber="41">C. kachinensis.</emphasis>
</taxonomicName>
See text for collection details.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="description">
<paragraph pageId="0" pageNumber="41">Description.</paragraph>
<paragraph pageId="0" pageNumber="41">Terrestrial perennial herbs with an erect stem. Plant 54 cm high; erect stem 12 cm long, 3 cm in diam. Leaves 3-4; petiole cylindric, pale greenish, glossy, 32 cm long, 0.6 cm in diam., sheath 16 cm long, 6 cm in diam.; leaf blade oblong-ovate, peltate, 18 cm long, 12 cm wide, upper surface glossy green, lower surface greyish-white; primary lateral veins pinnate, 5 pairs, pale green on upper surface, white and raised on the lower surface. Inflorescences (1-)3(-4) emerging when the leaves unfold, 27 cm long; peduncle cylindrical, pale green, glossy, 17 cm long, 0.5 cm in diam. Spathe constricted in the lower third, lower convolute part (tube) pale green, farinose, 3.5 cm long, 1.5 cm in diam., nearly cylindrical; lamina oblong-lanceolate, erect during early blooming period, pale yellow, 6.5 cm long, 3 cm wide. Spadix 7 cm long, female zone 2.5 cm long, 0.8 cm in diam.; sterile zone between female and male zones, cylindrical, white, 0.8 cm long, 0.3 cm in diam.; male zone, white, 2 cm long, 0.6 cm in diam.; appendix white, long conical, wrinkled, 2 cm long, 0.4 cm in diam. Flowers unisexual, perigone absent. Male flower: 1-4-androus, stamens connate in truncate synandrium, thecae lateral, oblong-lineal, dehiscing by apical pore. Female flower: ovary ovoid to oblong, 1 mm long, unilocular; ovules many, 42-58, n = 2, fusiform, translucent; placentae 3-5, parietal; stylar region absent; stigma discoid-capitate; berry not seen.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="phenology">
<paragraph pageId="0" pageNumber="41">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="41">Flowering in March to April. Fruiting unknown.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="distribution">
<paragraph pageId="0" pageNumber="41">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="41">
<taxonomicName lsidName="C. kachinensis" pageId="0" pageNumber="41" rank="species" species="kachinensis">
<emphasis italics="true" pageId="0" pageNumber="41">C. kachinensis</emphasis>
</taxonomicName>
is so far known from a single population in Kachin State, northern Myanmar, where it grows in humid dense mountain rain forest (cover degree 70%) at alt. 1100-1400 m. In the same habitat, other plants encountered were
<taxonomicName lsidName="C. menglaensis" pageId="0" pageNumber="41" rank="species" species="menglaensis">
<emphasis italics="true" pageId="0" pageNumber="41">C. menglaensis</emphasis>
</taxonomicName>
,
<taxonomicName class="Dicotyledoneae" family="Hamamelidaceae" genus="Liquidambar" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Liquidambar excelsa" order="Rosales" pageId="0" pageNumber="41" phylum="Angiospermae" rank="species" species="excelsa">
<emphasis italics="true" pageId="0" pageNumber="41">Liquidambar excelsa</emphasis>
</taxonomicName>
,
<emphasis italics="true" pageId="0" pageNumber="41">Terminalia myriocarpa</emphasis>
,
<taxonomicName class="Monocotyledoneae" family="Arecaceae" genus="Caryota" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Caryota urens" order="Principes" pageId="0" pageNumber="41" phylum="Angiospermae" rank="species" species="urens">
<emphasis italics="true" pageId="0" pageNumber="41">Caryota urens</emphasis>
</taxonomicName>
,
<taxonomicName class="Dicotyledoneae" family="Magnoliaceae" genus="Magnolia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Magnolia" order="Magnoliales" pageId="0" pageNumber="41" phylum="Angiospermae" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="41">Magnolia</emphasis>
</taxonomicName>
sp.,
<taxonomicName class="Magnoliopsida" family="Musaceae" genus="Musa" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Musa itinerans" order="Zingiberales" pageId="0" pageNumber="41" phylum="Angiospermae" rank="species" species="itinerans">
<emphasis italics="true" pageId="0" pageNumber="41">Musa itinerans</emphasis>
</taxonomicName>
,
<taxonomicName class="Dicotyledoneae" family="Rubiaceae" genus="Saprosma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Saprosma ternate" order="Gentianales" pageId="0" pageNumber="41" phylum="Angiospermae" rank="species" species="ternate">
<emphasis italics="true" pageId="0" pageNumber="41">Saprosma ternate</emphasis>
</taxonomicName>
,
<taxonomicName class="Monocotyledoneae" family="Poaceae" genus="Dendrocalamus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Dendrocalamus" order="Graminales" pageId="0" pageNumber="41" phylum="Angiospermae" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="41">Dendrocalamus</emphasis>
</taxonomicName>
sp.,
<taxonomicName authorityName="Suresh &amp; Nicolson" authorityYear="1986" class="Monocotyledoneae" family="Marantaceae" genus="Phrynium" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Phrynium rheedei" order="Scitamineae" pageId="0" pageNumber="41" phylum="Angiospermae" rank="species" species="rheedei">
<emphasis italics="true" pageId="0" pageNumber="41">Phrynium rheedei</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="etymology">
<paragraph pageId="0" pageNumber="41">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="41">The species is named after the holotype region, Kachin State, Myanmar.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="41" type="additional examined specimens (paratype)">
<paragraph pageId="0" pageNumber="41">Additional examined specimens (Paratype).</paragraph>
<paragraph pageId="0" pageNumber="41">MYANMAR. Putao Township, Kachin State, alt. 1300 m, 26 April 2016, Jian-Tao Yin 2482 (paratype: HITBC!)</paragraph>
</subSubSection>
</treatment>
</document>