189 lines
15 KiB
XML
189 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.133.36704" ID-GBIF-Dataset="8860b6a8-26a7-4e91-9ae1-078c81fdd619" ID-PMC="PMC6811374" ID-Pensoft-Pub="1314-2003-133-95" ID-Pensoft-UUID="B135A1D2A7445D779FA9FCEA6818CFDF" ID-PubMed="31662615" ModsDocID="1314-2003-133-95" checkinTime="1571298298264" checkinUser="pensoft" docAuthor="Zhao, Wan-Yi, Meng, Kai-Kai, Fan, Qiang, Jin, Jian-Hua & Liao, Wen-Bo" docDate="2019" docId="738678EE48E05C44BE10583F1AF5B3AB" docLanguage="en" docName="PhytoKeys 133: 95-103" docOrigin="PhytoKeys 133" docSource="http://dx.doi.org/10.3897/phytokeys.133.36704" docTitle="Saxifraga damingshanensis W. B. Liao, W. Y. Zhao & J. H. Jin 2019, sp. nov." docType="treatment" docVersion="6" id="B135A1D2A7445D779FA9FCEA6818CFDF" lastPageNumber="95" masterDocId="B135A1D2A7445D779FA9FCEA6818CFDF" masterDocTitle="Saxifraga damingshanensis (S. sect. Irregulares, Saxifragaceae), a new species from Guangxi, China" masterLastPageNumber="103" masterPageNumber="95" pageNumber="95" updateTime="1668139534512" 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>Saxifraga damingshanensis (S. sect. Irregulares, Saxifragaceae), a new species from Guangxi, China</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>Zhao, Wan-Yi</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>Meng, Kai-Kai</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>Fan, Qiang</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>Jin, Jian-Hua</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>Liao, Wen-Bo</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>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>133</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>95</mods:start>
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<mods:end>103</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.133.36704</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.133.36704</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-133-95</mods:identifier>
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<mods:identifier type="Pensoft-UUID">B135A1D2A7445D779FA9FCEA6818CFDF</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159745140" LSID="urn:lsid:plazi:treatment:738678EE48E05C44BE10583F1AF5B3AB" httpUri="http://treatment.plazi.org/id/738678EE48E05C44BE10583F1AF5B3AB" lastPageNumber="95" pageId="0" pageNumber="95">
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<subSubSection pageId="0" pageNumber="95" type="nomenclature">
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<paragraph pageId="0" pageNumber="95">
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<taxonomicName LSID="738678EE-48E0-5C44-BE10-583F1AF5B3AB" authority="W. B. Liao, W. Y. Zhao & J. H. Jin" authorityName="W. B. Liao, W. Y. Zhao & J. H. Jin" authorityYear="2019" class="Magnoliopsida" family="Saxifragaceae" genus="Saxifraga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Saxifraga damingshanensis" order="Saxifragales" pageId="0" pageNumber="95" phylum="Tracheophyta" rank="species" species="damingshanensis" status="sp. nov.">Saxifraga damingshanensis W.B.Liao, W.Y.Zhao & J.H.Jin</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="95">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="materials_examined">
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<paragraph pageId="0" pageNumber="95">Type.</paragraph>
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<paragraph pageId="0" pageNumber="95">
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China. Guangxi: Nanning city, Damingshan Nature Reserve, Longtou Peak,
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<geoCoordinate degrees="23" direction="north" minutes="22" orientation="latitude" precision="1" seconds="58.48" value="23.382912">23°22'58.48"N</geoCoordinate>
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,
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<geoCoordinate degrees="108" direction="east" minutes="30" orientation="longitude" precision="1" seconds="21.56" value="108.50599">108°30'21.56"E</geoCoordinate>
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, 1542 m alt., 19 September 2018,
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<emphasis italics="true" pageId="0" pageNumber="95">W.Y.Zhao 1208</emphasis>
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(Holotype SYS!; Isotypes SYS!, IBSC!). (
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Saxifraga damingshanensis A Habit B whole plant C basal leaves rosette with long petiole, plant cover white trichomes D flower and fruit, pedicel slender with short trichomes, filaments clavate E adaxial leaf surface dark green, sparsely glandular piliferous F abaxial leaf surface grey, sparsely glandular piliferous and purple spotted G petiole with glandular piliferous H rhizomes cover sparsely glandular piliferous, petiole base sheathed I adaxial surface of sheath, glabrous, margin with glandular piliferous J abaxial surface of sheath, upper with sparse glandular piliferous." figureDoi="10.3897/phytokeys.133.36704.figure2" httpUri="https://binary.pensoft.net/fig/347246" pageId="0" pageNumber="95" tableDoi="10.3897/phytokeys.133.36704.figure2">Fig. 2</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="diagnosis">
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<paragraph pageId="0" pageNumber="95">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="95">
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<taxonomicName authorityName="W. B. Liao, W. Y. Zhao & J. H. Jin" authorityYear="2019" class="Magnoliopsida" family="Saxifragaceae" genus="Saxifraga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Saxifraga damingshanensis" order="Saxifragales" pageId="0" pageNumber="95" phylum="Tracheophyta" rank="species" species="damingshanensis">
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<emphasis italics="true" pageId="0" pageNumber="95">Saxifraga damingshanensis</emphasis>
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</taxonomicName>
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is morphologically most similar to
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<taxonomicName lsidName="S. mengtzeana" pageId="0" pageNumber="95" rank="species" species="mengtzeana">
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<emphasis italics="true" pageId="0" pageNumber="95">S. mengtzeana</emphasis>
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</taxonomicName>
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, but differs by its leaf blade with glandular trichome and purple spots abaxially, short stamens and petal entire.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="description">
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<paragraph pageId="0" pageNumber="95">Description.</paragraph>
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<paragraph pageId="0" pageNumber="95">
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Perennial herbs, 15-30 cm tall. Stolons absent. Rhizomes rather short (ca. 0.3-0.7 cm), sparsely glandular trichomes. Basal leaves forming a rosette, petiole 5-15 cm long, fleshy and translucent, sparsely short glandular trichomes (ca. 2 mm); petiole base sheathed, margin with sparsely glandular trichomes; leaf blade rounded or ovate, base cordate to deep cordate, papery or leathery, 2.0-5.7
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5.5 cm, apex obtuse, margin inconspicuous 7-15-lobed with sparsely glandular trichomes, lobes entire, adaxially dark green, densely covered glandular trichomes (2.5-4 mm), abaxially grey, sparsely covered with glandular trichomes (1.5-2.5 mm), densely covered with purple spots; palmate veins 7-11, both surfaces inconspicuous. Cauline leaves 1-2, triangular-lanceolate, 5.0-6.0
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-2.0 mm, margin with sparsely glandular trichomes. Inflorescence paniculate, 15-30 cm long, 10-35-flowered; branches 4-5 cm, sparsely short glandular trichomes (0.5-1.0 mm), 2-6(-8)-flowered; pedicels slender, 1.5-2.5 cm long, sparsely short glandular trichomes (ca. 0.5 mm); bracts linear, 1.5-2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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0.5-0.8 mm, margin with short glandular trichomes. Flowers zygomorphic; sepals 5, spreading, narrowly ovate, 2.0-2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1.0 mm, apex obtuse, base connate, adaxially glabrous, abaxial surface and margin with sparsely short glandular trichome, becoming denser proximally, 3 veins inconspicuous. Petals 5, white; shortest 3 petals equal, ovate, base with yellow spots, 3-3.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5 mm, apex acute, base rounded, triplinerved; the other two petals lanceolate, first longest petal lanceolate, 18-22
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-2.5 mm, apex acuminate, margin entire, glabrous, 3-veined; second longest petal narrowly ovate, 1.3-1.7
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<normalizedToken originalValue="×">x</normalizedToken>
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0.2 cm, apex acuminate, margin entire, glabrous, 3-veined. Stamens 10, filaments clavate, 3.5-4.5 mm long. Ovary ovoid, 1.5-2.5 mm long; disc obscure; carpels 2, proximally connate about 3/4; styles 2, divergent, 1.5-2 mm long. Capsule ovoid, 4-5
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<normalizedToken originalValue="×">x</normalizedToken>
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3-4 mm. Seeds elongate-ellipsoid, yellowish-brown or dark brown, the two ends slightly bent, ca. 0.6 mm, surface 3-ribbed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="phenology">
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<paragraph pageId="0" pageNumber="95">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="95">Flowering from August to October, fruiting from September to November.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="etymology">
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<paragraph pageId="0" pageNumber="95">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="95">
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The species epithet is based on the mountain name, Damingshan and the Latin suffix, -
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<emphasis italics="true" pageId="0" pageNumber="95">ensis</emphasis>
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, of origin, where the new species was collected.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="distribution">
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<paragraph pageId="0" pageNumber="95">Distribution, ecology and conservation status.</paragraph>
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<paragraph pageId="0" pageNumber="95">
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Only three populations of
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<taxonomicName authorityName="W. B. Liao, W. Y. Zhao & J. H. Jin" authorityYear="2019" class="Magnoliopsida" family="Saxifragaceae" genus="Saxifraga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Saxifraga damingshanensis" order="Saxifragales" pageId="0" pageNumber="95" phylum="Tracheophyta" rank="species" species="damingshanensis">
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<emphasis italics="true" pageId="0" pageNumber="95">Saxifraga damingshanensis</emphasis>
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</taxonomicName>
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were discovered from Damingshan National Nature Reserve, Guangxi Province. It was observed to grow on damp cliffs and rocks in broad-leaved forests at altitudes between 1300 and 1650 m. Its known localities are well protected and more field investigations are needed to determine its wild distribution. Therefore, we suggest listing the new species as Data Deficient (DD) based on the IUCN Red List Criteria (
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<bibRefCitation author="IUCN" journalOrPublisher="Phytochemical Bulletin" pageId="0" pageNumber="95" publicationUrl="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" refId="B4" refString="IUCN, 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 2019</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="95" type="materials_examined">
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<paragraph pageId="0" pageNumber="95">Additional specimens examined (paratypes).</paragraph>
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<paragraph pageId="0" pageNumber="95">
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China. Guangxi: Nanning city, Damingshan Nature Reserve, Longtou Peak, Blackwood cliff,
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<geoCoordinate degrees="23" direction="north" minutes="22" orientation="latitude" precision="1" seconds="58.48" value="23.382912">23°22'58.48"N</geoCoordinate>
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,
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<geoCoordinate degrees="108" direction="east" minutes="30" orientation="longitude" precision="1" seconds="21.56" value="108.50599">108°30'21.56"E</geoCoordinate>
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, 1542 m alt., 19 September 2018,
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<emphasis italics="true" pageId="0" pageNumber="95">W.Y.Zhao 1209</emphasis>
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(SYS!); same locality, 1500 m alt., 19 September 2018,
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<emphasis italics="true" pageId="0" pageNumber="95">W.Y.Zhao 1210</emphasis>
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(SYS!); same locality, 1522 m alt., 19 September 2018,
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<emphasis italics="true" pageId="0" pageNumber="95">W.Y.Zhao 1211</emphasis>
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(SYS!); same locality,1480 m alt., 19 September 2018,
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<emphasis italics="true" pageId="0" pageNumber="95">W.Y.Zhao 1212</emphasis>
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(SYS!); Wuming county, Xiaolu village, Damingshan, 1420 m alt., 26 August 1958,
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<emphasis italics="true" pageId="0" pageNumber="95">Y.C.Chen 325</emphasis>
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(IBK18155!).
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</paragraph>
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<caption doi="10.3897/phytokeys.133.36704.figure2" httpUri="https://binary.pensoft.net/fig/347246" pageId="0" pageNumber="95" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="95">
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<emphasis bold="true" pageId="0" pageNumber="95">Figure 2.</emphasis>
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<taxonomicName authorityName="W. B. Liao, W. Y. Zhao & J. H. Jin" authorityYear="2019" class="Magnoliopsida" family="Saxifragaceae" genus="Saxifraga" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Saxifraga damingshanensis" order="Saxifragales" pageId="0" pageNumber="95" phylum="Tracheophyta" rank="species" species="damingshanensis">
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<emphasis italics="true" pageId="0" pageNumber="95">Saxifraga damingshanensis</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="95">A</emphasis>
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Habit
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<emphasis bold="true" pageId="0" pageNumber="95">B</emphasis>
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whole plant
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<emphasis bold="true" pageId="0" pageNumber="95">C</emphasis>
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basal leaves rosette with long petiole, plant cover white trichomes
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<emphasis bold="true" pageId="0" pageNumber="95">D</emphasis>
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flower and fruit, pedicel slender with short trichomes, filaments clavate
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<emphasis bold="true" pageId="0" pageNumber="95">E</emphasis>
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adaxial leaf surface dark green, sparsely glandular piliferous
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<emphasis bold="true" pageId="0" pageNumber="95">F</emphasis>
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abaxial leaf surface grey, sparsely glandular piliferous and purple spotted
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<emphasis bold="true" pageId="0" pageNumber="95">G</emphasis>
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petiole with glandular piliferous
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<emphasis bold="true" pageId="0" pageNumber="95">H</emphasis>
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rhizomes cover sparsely glandular piliferous, petiole base sheathed
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<emphasis bold="true" pageId="0" pageNumber="95">I</emphasis>
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adaxial surface of sheath, glabrous, margin with glandular piliferous
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<emphasis bold="true" pageId="0" pageNumber="95">J</emphasis>
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abaxial surface of sheath, upper with sparse glandular piliferous.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |