treatments-xml/data/61/52/D7/6152D7AA6A6950579C0CEE4FF0B7312E.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.183.71505" ID-GBIF-Dataset="f630483e-7361-4be2-baa9-111db69b0261" ID-PMC="PMC8530992" ID-Pensoft-Pub="1314-2003-183-67" ID-Pensoft-UUID="FCC24C3C8DA15168B76807158575C4E4" ID-PubMed="34720631" ModsDocID="1314-2003-183-67" checkinTime="1634290146860" checkinUser="pensoft" docAuthor="Bartholomew, Bruce, Armstrong, Kate E., Li, Rong &amp; Fritsch, Peter W." docDate="2021" docId="6152D7AA6A6950579C0CEE4FF0B7312E" docLanguage="en" docName="PhytoKeys 183: 67-76" docOrigin="PhytoKeys 183" docPubDate="2021-10-14" docSource="http://dx.doi.org/10.3897/phytokeys.183.71505" docTitle="Perrottetia taronensis B. M. Barthol. &amp; K. Armstr. 2021, sp. nov." docType="treatment" docVersion="4" id="FCC24C3C8DA15168B76807158575C4E4" lastPageNumber="67" masterDocId="FCC24C3C8DA15168B76807158575C4E4" masterDocTitle="Perrottetia taronensis B. M. Barthol. &amp; K. Armstr., sp. nov. (Dipentodontaceae), a new species from northwestern Yunnan Province, China and northern Kachin State, Myanmar and a re-examination of the Asian and Australasian taxa of Perrottetia" masterLastPageNumber="76" masterPageNumber="67" pageNumber="67" updateTime="1668140472946" updateUser="ExternalLinkService">
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<mods:title>Perrottetia taronensis B. M. Barthol. &amp; K. Armstr., sp. nov. (Dipentodontaceae), a new species from northwestern Yunnan Province, China and northern Kachin State, Myanmar and a re-examination of the Asian and Australasian taxa of Perrottetia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bartholomew, Bruce</mods:namePart>
<mods:affiliation>Dept. of Botany, California Academy of Sciences, 55 Music Concourse Dr., Golden Gate Park, San Francisco, California 94118 - 4503, USA</mods:affiliation>
<mods:nameIdentifier type="email">bruce.bartholomew@yahoo.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Armstrong, Kate E.</mods:namePart>
<mods:affiliation>Institute of Systematic Botany, New York Botanical Garden, 2900 Southern Blvd., Bronx, New York 10458 - 5126, USA</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Rong</mods:namePart>
<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Rd., Heilongtan, Kunming 650201, Yunnan, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Fritsch, Peter W.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3606-663X</mods:nameIdentifier>
<mods:affiliation>Botanical Research Institute of Texas, 1700 University Drive, Fort Worth, Texas 76107 - 3400, USA</mods:affiliation>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-10-14</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>183</mods:number>
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<mods:start>67</mods:start>
<mods:end>76</mods:end>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.183.71505</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.183.71505</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-183-67</mods:identifier>
<mods:identifier type="Pensoft-UUID">FCC24C3C8DA15168B76807158575C4E4</mods:identifier>
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<treatment ID-GBIF-Taxon="189468689" LSID="urn:lsid:plazi:treatment:6152D7AA6A6950579C0CEE4FF0B7312E" httpUri="http://treatment.plazi.org/id/6152D7AA6A6950579C0CEE4FF0B7312E" lastPageNumber="67" pageId="0" pageNumber="67">
<subSubSection pageId="0" pageNumber="67" type="nomenclature">
<paragraph pageId="0" pageNumber="67">
<taxonomicName LSID="6152D7AA-6A69-5057-9C0C-EE4FF0B7312E" authority="B. M. Barthol. &amp; K. Armstr." authorityName="B. M. Barthol. &amp; K. Armstr." authorityYear="2021" class="Gastropoda" family="Streptaxidae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Stylommatophora" pageId="0" pageNumber="67" phylum="Mollusca" rank="species" species="taronensis" status="sp. nov.">Perrottetia taronensis B.M.Barthol. &amp; K.Armstr.</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="67">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="description">
<paragraph pageId="0" pageNumber="67">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Perrottetia taronensis A habit, branch with fruit B dactylose leaf bud with young leaves and stipules C fruit with style, mature berry, persistent sepals and petals, and stipe. Illustrated by Alan Chou." figureDoi="10.3897/phytokeys.183.71505.figure1" httpUri="https://binary.pensoft.net/fig/598501" pageId="0" pageNumber="67">Figures 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Leaves of Perrottetia taronensis showing also the old male inflorescences, from which all the flowers have dropped A abaxial surface B adaxial surface. Photos in the field of Armstrong et al. 2983." figureDoi="10.3897/phytokeys.183.71505.figure2" httpUri="https://binary.pensoft.net/fig/598502" pageId="0" pageNumber="67">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Young leaves of Perrottetia taronensis showing the distinctive dactylose shape and reddish brown indumentum and also an old male inflorescence, from which all the flowers have dropped. Photo in the field of Armstrong et al. 2983." figureDoi="10.3897/phytokeys.183.71505.figure3" httpUri="https://binary.pensoft.net/fig/598503" pageId="0" pageNumber="67">, 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="materials_examined">
<paragraph pageId="0" pageNumber="67">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="67">
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="China" location="Dulong Jiang valley" municipality="Maku" specimenCount="1" stateProvince="Yunnan Province" typeStatus="holotype">
<collectingCountry name="China">China</collectingCountry>
. 
<collectingRegion country="China" name="Yunnan">Yunnan Province</collectingRegion>
: Gongshan Xian 
<normalizedToken originalValue="贡山县">贡山县</normalizedToken>
, Dulongjiang Xiang 
<normalizedToken originalValue="独龙江乡">独龙江乡</normalizedToken>
, 
<collectingMunicipality>Maku</collectingMunicipality>
Cun 
<normalizedToken originalValue="马库村">马库村</normalizedToken>
[Taron River], NW facing 30-60° slope, vicinity of Nangza (Pinyin: Laza) 
<normalizedToken originalValue="腊咱">腊咱</normalizedToken>
, W side of the 
<location LSID="urn:lsid:plazi:treatment:6152D7AA6A6950579C0CEE4FF0B7312E:44AB4D369AC4241BCDD4E52CF5B7FA95" country="China" municipality="Maku" name="Dulong Jiang valley" stateProvince="Yunnan Province">Dulong Jiang valley</location>
, ca. 1.3 direct km 
<locationDeviation location="Maku">S of Maku</locationDeviation>
and ca. 3.8 direct km NE of the
</materialsCitation>
<materialsCitation collectingDate="2006-08-18" country="Myanmar" elevation="1970" latitude="27.6747" location="Shan" longLatPrecision="6" longitude="98.3015" specimenCount="1" stateProvince="Shan" typeStatus="holotype">
<collectingCountry name="Myanmar">Myanmar</collectingCountry>
border, 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.97" unit="m" value="1970.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.97" unit="m" value="1970.0">1970 m</elevation>
</quantity>
, 
<geoCoordinate degrees="27.6747" direction="north" orientation="latitude" precision="5" value="27.6747">27.6747°N</geoCoordinate>
, 
<geoCoordinate degrees="98.3015" direction="east" orientation="longitude" precision="5" value="98.3015">98.3015°E</geoCoordinate>
, 
<collectingDate value="2006-08-18">18 August 2006</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="67">
Gaoligong 
<collectingRegion country="Myanmar" name="Shan">Shan</collectingRegion>
Biodiversity Survey 32394
</emphasis>
(
<typeStatus>holotype</typeStatus>
: KUN! accession 0856752 barcode 1418097; isotypes: BRIT! barcode BRIT478072, CAS! accession 1090250 barcode 346898, E! barcode E01016879, GH! barcode 00288213)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="diagnosis">
<paragraph pageId="0" pageNumber="67">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="67">
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
is similar morphologically to 
<taxonomicName lsidName="P. alpestris" pageId="0" pageNumber="67" rank="species" species="alpestris">
<emphasis italics="true" pageId="0" pageNumber="67">P. alpestris</emphasis>
</taxonomicName>
<emphasis italics="true" pageId="0" pageNumber="67">s.s.</emphasis>
(see Discussion) from which it differs by having much more compact and shorter inflorescences which are sparsely golden tan-tomentose rather than sparsely reddish brown-tomentose, a shorter stipe, leaf margins that are sharply serrate rather than bluntly serrate, and larger fruit when mature.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="description">
<paragraph pageId="0" pageNumber="67">Description.</paragraph>
<paragraph pageId="0" pageNumber="67">
Shrubs or small trees 1.5-6.0 m tall, often sprawling, likely dioecious, deciduous. Stems reddish brown, pale brown-tomentose when young, glabrescent. Stipules reddish brown-tomentose, triangular, ca. 1.5 
<normalizedToken originalValue="×">x</normalizedToken>
0.5 mm, often cauducous, apex long-acuminate. Petioles 0.5-1.0 cm. Leaves alternate, mostly glabrescent; leaf buds and young leaves dactylose (Figs 
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Perrottetia taronensis A habit, branch with fruit B dactylose leaf bud with young leaves and stipules C fruit with style, mature berry, persistent sepals and petals, and stipe. Illustrated by Alan Chou." figureDoi="10.3897/phytokeys.183.71505.figure1" httpUri="https://binary.pensoft.net/fig/598501" pageId="0" pageNumber="67">1B</figureCitation>
, 
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Young leaves of Perrottetia taronensis showing the distinctive dactylose shape and reddish brown indumentum and also an old male inflorescence, from which all the flowers have dropped. Photo in the field of Armstrong et al. 2983." figureDoi="10.3897/phytokeys.183.71505.figure3" httpUri="https://binary.pensoft.net/fig/598503" pageId="0" pageNumber="67">3</figureCitation>
), reddish brown-tomentose (Fig. 
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Young leaves of Perrottetia taronensis showing the distinctive dactylose shape and reddish brown indumentum and also an old male inflorescence, from which all the flowers have dropped. Photo in the field of Armstrong et al. 2983." figureDoi="10.3897/phytokeys.183.71505.figure3" httpUri="https://binary.pensoft.net/fig/598503" pageId="0" pageNumber="67">3</figureCitation>
), persistent as small naked buds over winter; mature leaf blades chartaceous, mostly glabrescent, sometimes with domatia abaxially in axils of main lateral veins, when fresh abaxially pale pinkish greenish (Fig. 
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Leaves of Perrottetia taronensis showing also the old male inflorescences, from which all the flowers have dropped A abaxial surface B adaxial surface. Photos in the field of Armstrong et al. 2983." figureDoi="10.3897/phytokeys.183.71505.figure2" httpUri="https://binary.pensoft.net/fig/598502" pageId="0" pageNumber="67">2A</figureCitation>
) and adaxially dark green (Fig. 
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Leaves of Perrottetia taronensis showing also the old male inflorescences, from which all the flowers have dropped A abaxial surface B adaxial surface. Photos in the field of Armstrong et al. 2983." figureDoi="10.3897/phytokeys.183.71505.figure2" httpUri="https://binary.pensoft.net/fig/598502" pageId="0" pageNumber="67">2B</figureCitation>
), when dry abaxially pale brownish green and adaxially dark green, narrowly ovate to elliptic, 10-15 
<normalizedToken originalValue="×">x</normalizedToken>
3.0-7.5 cm, abaxially aveolate, sometimes sparsely tomentose on veins, midvein prominent, secondary and tertiary veins prominent, adaxially rugose, glabrous, midvein slightly prominent, secondary and tertiary veins slightly depressed, base rounded to broadly cuneate and slightly asymmetric with margin narrowly recurrent onto petiole, margins sharply serrate with 0.5-0.8 mm forward-facing sharply pointed corniculate teeth 0.2-0.3 mm wide at their base, apex narrowly acuminate and often slightly curved. Inflorescences axillary, paniculate thyrses, 1-2 cm, ca. 25-40-flowered but much reduced in number in fruit, sparsely golden tan-tomentose, with ca. 1.2 
<normalizedToken originalValue="×">x</normalizedToken>
0.5 mm narrowly triangular acuminate bracts, basal portion of inflorescences before the first branch 1-2 mm. Flowers and fruit with a basally articulate 0.5-0.6 mm stipe (Fig. 
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Perrottetia taronensis A habit, branch with fruit B dactylose leaf bud with young leaves and stipules C fruit with style, mature berry, persistent sepals and petals, and stipe. Illustrated by Alan Chou." figureDoi="10.3897/phytokeys.183.71505.figure1" httpUri="https://binary.pensoft.net/fig/598501" pageId="0" pageNumber="67">1C</figureCitation>
), pedicel 1.0-1.5 mm. Flowers 5-merous; sepals and petals only slightly differentiated, persistent in fruit (Fig. 
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Perrottetia taronensis A habit, branch with fruit B dactylose leaf bud with young leaves and stipules C fruit with style, mature berry, persistent sepals and petals, and stipe. Illustrated by Alan Chou." figureDoi="10.3897/phytokeys.183.71505.figure1" httpUri="https://binary.pensoft.net/fig/598501" pageId="0" pageNumber="67">1C</figureCitation>
). Calyx tube broadly obconical, ca. 0.5 
<normalizedToken originalValue="×">x</normalizedToken>
1 mm, lobes narrowly triangular, 1.0-1.2 
<normalizedToken originalValue="×">x</normalizedToken>
0.5-0.6 mm, basally overlapping corolla lobes, margins minutely denticulate, apex acuminate and often distally reflexed. Corolla lobes broadly triangular, 1.0-1.2 
<normalizedToken originalValue="×">x</normalizedToken>
0.5-0.7 mm, margins minutely denticulate, apices broadly acute. Stamens 5, at the edge of the floral disc and alternating with corolla lobes. (Only one male plant of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
has been seen. It has two remnant undeveloped flower buds with all other flowers already fallen. In 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia</emphasis>
</taxonomicName>
the filaments elongate after the male flowers open, so the filament characters in the observed unopened flower buds of 
<taxonomicName lsidName="P. taronensis" pageId="0" pageNumber="67" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">P. taronensis</emphasis>
</taxonomicName>
are likely not typical of what they would be during anthesis.) Anthers globular, ca. 0.3 
<normalizedToken originalValue="×">x</normalizedToken>
0.4 mm. Ovary superior, turbinate, ca. 1.2 
<normalizedToken originalValue="×">x</normalizedToken>
1.0 mm. Fruit a berry, young fruit green but starting to turn red by July and turning purple and becoming fleshy when mature by August, ca. 5 mm in diam. when mature, usually 4-seeded although occasionally with only 2 or 3 seeds developing, apex emarginate; style ca. 0.2 mm, often deciduous, apically 2-parted. Seeds brown, 1.0-1.5 mm in diam., surface with numerous shallow vertical rugose ridges when dry.
</paragraph>
<caption doi="10.3897/phytokeys.183.71505.figure1" httpUri="https://binary.pensoft.net/fig/598501" pageId="0" pageNumber="67" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="67">
<emphasis bold="true" pageId="0" pageNumber="67">Figure 1.</emphasis>
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="67">A</emphasis>
habit, branch with fruit 
<emphasis bold="true" pageId="0" pageNumber="67">B</emphasis>
dactylose leaf bud with young leaves and stipules 
<emphasis bold="true" pageId="0" pageNumber="67">C</emphasis>
fruit with style, mature berry, persistent sepals and petals, and stipe. Illustrated by Alan Chou.
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.183.71505.figure2" httpUri="https://binary.pensoft.net/fig/598502" pageId="0" pageNumber="67" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="67">
<emphasis bold="true" pageId="0" pageNumber="67">Figure 2.</emphasis>
Leaves of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
showing also the old male inflorescences, from which all the flowers have dropped 
<emphasis bold="true" pageId="0" pageNumber="67">A</emphasis>
abaxial surface 
<emphasis bold="true" pageId="0" pageNumber="67">B</emphasis>
adaxial surface. Photos in the field of 
<emphasis italics="true" pageId="0" pageNumber="67">Armstrong et al. 2983</emphasis>
.
</paragraph>
</caption>
<caption doi="10.3897/phytokeys.183.71505.figure3" httpUri="https://binary.pensoft.net/fig/598503" pageId="0" pageNumber="67" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="67">
<emphasis bold="true" pageId="0" pageNumber="67">Figure 3.</emphasis>
Young leaves of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
showing the distinctive dactylose shape and reddish brown indumentum and also an old male inflorescence, from which all the flowers have dropped. Photo in the field of 
<emphasis italics="true" pageId="0" pageNumber="67">Armstrong et al. 2983</emphasis>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="etymology">
<paragraph pageId="0" pageNumber="67">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="67">
The specific epithet &quot; 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">Perrottetia taronensis</taxonomicName>
&quot; refers to the Taron River valley in Myanmar. In China this river is named the Dulong Jiang (Dulong River) (Fig. 
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution showing the known locations of Perrottetia taronensis in China and Myanmar. The map uses Shuttle Radar Topography Mission (SRTM) 90 m raster elevation data from Jarvis A, Reuter HI, Nelson E, and Guevara E, 2008, Hole-filled seamless SRTM data V 4, International Centre for Tropical Agriculture (CIAT) available from https: // srtm. csi, cgiar. org (Reuter et al. 2007). The elevation intervals for the region shown in this map have been set to 0 - 999 m, 1000 - 1999 m, 2000 - 2999 m, 3000 - 3999 m, and 4000 m and above. All seven collections are from within the 1000 - 1999 elevation interval shown on the map. Within China to the east and separated by the Gaoligong Shan range is the Nu Jiang (Salween River) and farther still to the east is the Lancang Jiang (Mekong River)." figureDoi="10.3897/phytokeys.183.71505.figure4" httpUri="https://binary.pensoft.net/fig/598504" pageId="0" pageNumber="67">4</figureCitation>
). The Taron River flows into the 
<normalizedToken originalValue="N’Mai">N'Mai</normalizedToken>
Hka (
<normalizedToken originalValue="N’Mai">N'Mai</normalizedToken>
River) which joins the Mali Hka (Mali River) forming one of the main northern tributaries of the Ayeyarwady River (Irrawaddy River).
</paragraph>
<caption doi="10.3897/phytokeys.183.71505.figure4" httpUri="https://binary.pensoft.net/fig/598504" pageId="0" pageNumber="67" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="67">
<emphasis bold="true" pageId="0" pageNumber="67">Figure 4.</emphasis>
Distribution showing the known locations of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
in China and Myanmar. The map uses Shuttle Radar Topography Mission (SRTM) 90 m raster elevation data from Jarvis A, Reuter HI, Nelson E, and Guevara E, 2008, Hole-filled seamless SRTM data V4, International Centre for Tropical Agriculture (CIAT) available from https://srtm.csi,cgiar.org (
<bibRefCitation DOI="https://doi.org/10.1080/13658810601169899" author="Reuter, HI" journalOrPublisher="International Journal of Geographical Information Science" pageId="0" pageNumber="67" pagination="983 - 1008" refId="B15" refString="Reuter, HI, Nelson, A, Jarvis, A, 2007. An evaluation of void-filling interpolation methods for SRTM data. International Journal of Geographical Information Science 21 (9): 983 - 1008, DOI: https://doi.org/10.1080/13658810601169899" title="An evaluation of void-filling interpolation methods for SRTM data." url="https://doi.org/10.1080/13658810601169899" volume="21" year="2007">Reuter et al. 2007</bibRefCitation>
). The elevation intervals for the region shown in this map have been set to 0-999 m, 1000-1999 m, 2000-2999 m, 3000-3999 m, and 4000 m and above. All seven collections are from within the 1000-1999 elevation interval shown on the map. Within China to the east and separated by the Gaoligong Shan range is the Nu Jiang (Salween River) and farther still to the east is the Lancang Jiang (Mekong River).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="habitat">
<paragraph pageId="0" pageNumber="67">Habitat and distribution.</paragraph>
<paragraph pageId="0" pageNumber="67">
The seven collections of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
that have so far been made occur in the Ayeyarwady River drainage in both Yunnan Province, China and Kachin State, Myanmar at an elevation range of 1350-1970 m (Fig. 
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution showing the known locations of Perrottetia taronensis in China and Myanmar. The map uses Shuttle Radar Topography Mission (SRTM) 90 m raster elevation data from Jarvis A, Reuter HI, Nelson E, and Guevara E, 2008, Hole-filled seamless SRTM data V 4, International Centre for Tropical Agriculture (CIAT) available from https: // srtm. csi, cgiar. org (Reuter et al. 2007). The elevation intervals for the region shown in this map have been set to 0 - 999 m, 1000 - 1999 m, 2000 - 2999 m, 3000 - 3999 m, and 4000 m and above. All seven collections are from within the 1000 - 1999 elevation interval shown on the map. Within China to the east and separated by the Gaoligong Shan range is the Nu Jiang (Salween River) and farther still to the east is the Lancang Jiang (Mekong River)." figureDoi="10.3897/phytokeys.183.71505.figure4" httpUri="https://binary.pensoft.net/fig/598504" pageId="0" pageNumber="67">4</figureCitation>
). In China 
<taxonomicName lsidName="P. taronensis" pageId="0" pageNumber="67" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">P. taronensis</emphasis>
</taxonomicName>
occurs on slopes in subtropical broadleaved evergreen forests, in disturbed secondary forests of 
<taxonomicName class="Magnoliopsida" family="Betulaceae" genus="Alnus" kingdom="Plantae" lsidName="Alnus nepalensis" order="Fagales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="nepalensis">
<emphasis italics="true" pageId="0" pageNumber="67">Alnus nepalensis</emphasis>
</taxonomicName>
D. Don (an early successional tree species of secondary forests in this region), and among shrubs near river banks. In Myanmar, the habitat of the single collection of a male plant is classified within the Kachin Hills subtropical rainforest ecosystem, a closed-canopy humid lower montane forest type occurring between 700-1500 m (
<bibRefCitation author="Armstrong, KE" editor="Murray, NJ" journalOrPublisher="Version 1.0. Wildlife Conservation Society" pageId="0" pageNumber="67" pagination="89 - 93" refId="B1" refString="Armstrong, KE, Tizard, R, Grantham, H, 2020. Kachin Hills subtropical rainforest. In: Murray, NJ, Keith, DA, Tizard, R, Duncan, A, Htut, WT, Hlaing, N, Oo, NA, Ya, KZ, Grantham, H, Eds., Threatened ecosystems of Myanmar: An IUCN Red List of Ecosystems Assessment. Version 1.0. Wildlife Conservation Society: 89 - 93" title="Kachin Hills subtropical rainforest." volumeTitle="Threatened ecosystems of Myanmar: An IUCN Red List of Ecosystems Assessment." year="2020">Armstrong et al. 2020</bibRefCitation>
; 
<bibRefCitation DOI="https://doi.org/10.1016/j.biocon.2020.108834" author="Murray, NJ" journalOrPublisher="Brittonia" pageId="0" pageNumber="67" refId="B13" refString="Murray, NJ, Keith, DA, Duncan, A, Tizard, R, Ferrer-Paris, JR, Worthington, TA, Armstrong, K, Nyan, H, Win, TH, Aung, HO, Kyaw, ZY, Grantham, H, 2020. Myanmar's terrestrial ecosystems: Status, threats and conservation opportunities. Biological Conservation 252: 108834. https://doi.org/10.1016/j.biocon.2020.108834" title="Myanmar's terrestrial ecosystems: Status, threats and conservation opportunities. Biological Conservation 252: 108834." url="https://doi.org/10.1016/j.biocon.2020.108834" year="2020">Murray et al. 2020</bibRefCitation>
). The six collections in China are from the valley of the Dulong Jiang which drains into the Taron River/ 
<normalizedToken originalValue="N’Mai">N'Mai</normalizedToken>
Hka in Myanmar, an upper tributary of the Ayeyarwady River. In Myanmar, the single collection is from the Babulongtan mountain range, in the drainage of the Nam Tisang/Mali Hka, which is in the adjacent river system to the west of the 
<normalizedToken originalValue="N’Mai">N'Mai</normalizedToken>
Hka.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="proposed iucn conservation status">
<paragraph pageId="0" pageNumber="67">Proposed IUCN Conservation Status.</paragraph>
<paragraph pageId="0" pageNumber="67">
The proposed Conservation Status of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
is Endangered (EN), B1ab(i,ii,iii,v)+2ab(I,ii,iii,v), according to the 
<bibRefCitation author="IUCN Standards and Petitions Committee" journalOrPublisher="The Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation, Bangkok" pageId="0" pageNumber="67" publicationUrl="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" refId="B7" refString="IUCN Standards and Petitions Committee, 2019. Guidelines for using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee. http://www.iucnredlist.org/documents/RedListGuidelines.pdf" title="Guidelines for using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee." url="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" year="2019">IUCN Standards and Petitions Committee (2019)</bibRefCitation>
. This status is based on the criteria of EOO 802.498 km2 and AOO 319.308 km2 calculated by using GEOCAT (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.150.2109" author="Bachman, S" editor="Smith, V" journalOrPublisher="ZooKeys" pageId="0" pageNumber="67" pagination="117 - 126" refId="B2" refString="Bachman, S, Moat, J, Hill, AW, de la Torre, J, Scott, B, 2011. Supporting Red List threat assessments with GeoCAT: Geospacial conservation assessment tool. In: Smith, V, Penev, L, Eds., E-infrastructures for data published in biodiversity science. ZooKeys 150: 117 - 126, DOI: https://doi.org/10.3897/zookeys.150.2109" title="Supporting Red List threat assessments with GeoCAT: Geospacial conservation assessment tool." url="https://doi.org/10.3897/zookeys.150.2109" volume="150" volumeTitle="E-infrastructures for data published in biodiversity science." year="2011">Bachman et al. 2011</bibRefCitation>
) and due to the occurrence in a small area, a decline in the quality of its habitat, and the low number of mature individuals observed.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="67" type="paratype specimens of perrottetia taronensis examined">
<paragraph pageId="0" pageNumber="67">
Paratype specimens of 
<taxonomicName class="Magnoliopsida" family="Dipentodontaceae" genus="Perrottetia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Perrottetia taronensis" order="Celastrales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="taronensis">
<emphasis italics="true" pageId="0" pageNumber="67">Perrottetia taronensis</emphasis>
</taxonomicName>
examined.
</paragraph>
<paragraph pageId="0" pageNumber="67">
China. Yunnan Province: Gongshan Xian 
<normalizedToken originalValue="贡山县">贡山县</normalizedToken>
, Dulongjiang Xiang 
<normalizedToken originalValue="独龙江乡">独龙江乡</normalizedToken>
, Bapo Cun 
<normalizedToken originalValue="巴坡村">巴坡村</normalizedToken>
, in the vicinity of Bapo, on the E side of the Dulong Jiang, 1350 m, 
<geoCoordinate degrees="27.74" direction="north" orientation="latitude" precision="555" value="27.74">27.74°N</geoCoordinate>
, 
<geoCoordinate degrees="98.35" direction="east" orientation="longitude" precision="555" value="98.35">98.35°E</geoCoordinate>
(estimated coordinates), 19 November 1990, 
<emphasis italics="true" pageId="0" pageNumber="67">Dulong Jiang Investigation Team</emphasis>
<normalizedToken originalValue="独龙江考察队">独龙江考察队</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">579</emphasis>
(CAS, KUN); Bapo Cun, W side of Gaoligong Shan, W of Gongshan, on the trail from Qiqi 
<normalizedToken originalValue="其期">其期</normalizedToken>
to Bapo in the Dulong Jiang valley, 1900 m, 
<geoCoordinate degrees="27.7290" direction="north" orientation="latitude" precision="5" value="27.729">27.7290°N</geoCoordinate>
, 
<geoCoordinate degrees="98.3670" direction="east" orientation="longitude" precision="5" value="98.367">98.3670°E</geoCoordinate>
, 17 July 2000, 
<emphasis italics="true" pageId="0" pageNumber="67">Li Heng</emphasis>
<normalizedToken originalValue="李恒">李恒</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">12931 with Bruce Bartholomew, Philip Thomas, Peter Fritsch, Dao Zhiling</emphasis>
<normalizedToken originalValue="刀志灵">刀志灵</normalizedToken>
, 
<emphasis italics="true" pageId="0" pageNumber="67">Wang Zhong-lang</emphasis>
<normalizedToken originalValue="王仲朗">王仲朗</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">&amp; Li Rong</emphasis>
<normalizedToken originalValue="李嵘">李嵘</normalizedToken>
(CAS, E, MO); Bapo Cun, W side of the Gaoligong Shan, along Gamalai He (Gamalai River) 
<normalizedToken originalValue="嘎莫赖河">嘎莫赖河</normalizedToken>
and Dulong Valley on the trail from Xishaofang 
<normalizedToken originalValue="西哨房">西哨房</normalizedToken>
to Bapo, 1350 m, 
<geoCoordinate degrees="27.7592" direction="north" orientation="latitude" precision="5" value="27.7592">27.7592°N</geoCoordinate>
, 
<geoCoordinate degrees="98.3377" direction="east" orientation="longitude" precision="5" value="98.3377">98.3377°E</geoCoordinate>
, 18 July 2002, 
<emphasis italics="true" pageId="0" pageNumber="67">Li Heng</emphasis>
<normalizedToken originalValue="李恒">李恒</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">15072 with Li Rong</emphasis>
<normalizedToken originalValue="李嵘">李嵘</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">&amp; Dao Zhiling</emphasis>
<normalizedToken originalValue="刀志灵">刀志灵</normalizedToken>
(CAS, KUN); Kongdang Cun 
<normalizedToken originalValue="孔当村">孔当村</normalizedToken>
, W side of Gaoligong Shan, along Dulongjiang Valley on the trail from Bapo to Dizhengdang 
<normalizedToken originalValue="迪政当">迪政当</normalizedToken>
, 1550 m, 
<geoCoordinate degrees="27.8773" direction="north" orientation="latitude" precision="5" value="27.8773">27.8773°N</geoCoordinate>
, 
<geoCoordinate degrees="98.3355" direction="east" orientation="longitude" precision="5" value="98.3355">98.3355°E</geoCoordinate>
, 21 Jul 2002, 
<emphasis italics="true" pageId="0" pageNumber="67">Li Heng</emphasis>
<normalizedToken originalValue="李恒">李恒</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">15156 with Li Rong</emphasis>
<normalizedToken originalValue="李嵘">李嵘</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">&amp; Dao Zhiling</emphasis>
<normalizedToken originalValue="刀志灵">刀志灵</normalizedToken>
(CAS, KUN); Xianjiudang Cun 
<normalizedToken originalValue="献九当村">献九当村</normalizedToken>
, W side of Gaoligong Shan along Dulong Jiang Valley on the trail from Kongdang to Dizhengdang, 1560 m, 
<geoCoordinate degrees="27.9061" direction="north" orientation="latitude" precision="5" value="27.9061">27.9061°N</geoCoordinate>
, 
<geoCoordinate degrees="98.3363" direction="east" orientation="longitude" precision="5" value="98.3363">98.3363°E</geoCoordinate>
, 23 July 2002, 
<emphasis italics="true" pageId="0" pageNumber="67">Li Heng</emphasis>
<normalizedToken originalValue="李恒">李恒</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">15230 with Li Rong</emphasis>
<normalizedToken originalValue="李嵘">李嵘</normalizedToken>
<emphasis italics="true" pageId="0" pageNumber="67">&amp; Dao Zhiling</emphasis>
<normalizedToken originalValue="刀志灵">刀志灵</normalizedToken>
(CAS, KUN). Myanmar. Kachin State, Putao District, Naungmung Township, buffer zone of Hkakaborazi National Park, along trail between Maza and Namti, 1763 m, 
<geoCoordinate degrees="27.4650" direction="north" orientation="latitude" precision="5" value="27.465">27.4650°N</geoCoordinate>
, 
<geoCoordinate degrees="97.6967" direction="east" orientation="longitude" precision="5" value="97.6967">97.6967°E</geoCoordinate>
, 18 June 2017, 
<emphasis italics="true" pageId="0" pageNumber="67">Kate Armstrong 2983 with Thet Yu Nwe, Moe Myint Thu, San Naing Dee, Zaw Naing Tun, Hla Naing Htay &amp; Pa Rang Gang Ken Sar</emphasis>
(CAS, E, NY, RAF).
</paragraph>
</subSubSection>
</treatment>
</document>