228 lines
36 KiB
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228 lines
36 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.172.61025" ID-GBIF-Dataset="4073eacb-65d9-43c0-9e47-eae5492749ac" ID-PMC="PMC7864898" ID-Pensoft-Pub="1314-2003-172-1" ID-Pensoft-UUID="B0102276C9705C1F921B4929BD3BC0D9" ID-PubMed="33597827" ModsDocID="1314-2003-172-1" checkinTime="1612008830631" checkinUser="pensoft" docAuthor="Wang, Qing-Long, Zhang, Hui, Shao, Yun-Yun, Wang, Zhu-Nian & Xue, Bine" docDate="2021" docId="4FA7CCE5DDFC58B9857D84DFAF7252C1" docLanguage="en" docName="PhytoKeys 172: 1-15" docOrigin="PhytoKeys 172" docPubDate="2021-01-29" docSource="http://dx.doi.org/10.3897/phytokeys.172.61025" docTitle="Pseuduvaria kwangtungensis Qing L. Wang & B. Xue 2021, comb. nov." docType="treatment" docVersion="4" id="B0102276C9705C1F921B4929BD3BC0D9" lastPageNumber="1" masterDocId="B0102276C9705C1F921B4929BD3BC0D9" masterDocTitle="A second species of Pseuduvaria in China: the identity of the enigmatic species Meiogyne kwangtungensis" masterLastPageNumber="15" masterPageNumber="1" pageNumber="1" updateTime="1668140213813" 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 second species of Pseuduvaria in China: the identity of the enigmatic species Meiogyne kwangtungensis</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>Wang, Qing-Long</mods:namePart>
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<mods:affiliation>Tropical Crops Genetic Resources Institute, CATAS, Haikou 571101, Hainan, China</mods:affiliation>
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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>Zhang, Hui</mods:namePart>
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<mods:affiliation>College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, China</mods:affiliation>
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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>Shao, Yun-Yun</mods:namePart>
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<mods:affiliation>Guangdong Provincial Key Laboratory of Digital Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China</mods:affiliation>
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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>Wang, Zhu-Nian</mods:namePart>
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<mods:affiliation>Tropical Crops Genetic Resources Institute, CATAS, Haikou 571101, Hainan, China</mods:affiliation>
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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>Xue, Bine</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-4515-4316</mods:nameIdentifier>
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<mods:affiliation>College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, China</mods:affiliation>
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<mods:nameIdentifier type="email">xuebine@zhku.edu.cn</mods:nameIdentifier>
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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>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-01-29</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>172</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>15</mods:end>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.172.61025</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.172.61025</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-172-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">B0102276C9705C1F921B4929BD3BC0D9</mods:identifier>
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<treatment ID-GBIF-Taxon="177197949" LSID="urn:lsid:plazi:treatment:4FA7CCE5DDFC58B9857D84DFAF7252C1" httpUri="http://treatment.plazi.org/id/4FA7CCE5DDFC58B9857D84DFAF7252C1" 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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<taxonomicName LSID="4FA7CCE5-DDFC-58B9-857D-84DFAF7252C1" authority="(P. T. Li) Qing L. Wang & B. Xue" authorityName="Qing L. Wang & B. Xue" authorityYear="2021" baseAuthorityName="Qing L. Wang & B. Xue" baseAuthorityYear="2021" class="Magnoliopsida" family="Annonaceae" genus="Pseuduvaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pseuduvaria kwangtungensis" order="Magnoliales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="kwangtungensis" status="comb. nov.">Pseuduvaria kwangtungensis (P.T.Li) Qing L.Wang & B.Xue</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">comb. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="chinese name">
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<paragraph pageId="0" pageNumber="1">Chinese name.</paragraph>
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<paragraph pageId="0" pageNumber="1">hai nan jin gou hua (海南金钩花)</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="basionym">
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<paragraph pageId="0" pageNumber="1">Basionym.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authorityName="P.T.Li" authorityYear="1976" class="Dicotyledoneae" family="Annonaceae" genus="Meiogyne" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Meiogyne kwangtungensis" order="Magnoliales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="species" species="kwangtungensis">
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<emphasis italics="true" pageId="0" pageNumber="1">Meiogyne kwangtungensis</emphasis>
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</taxonomicName>
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P.T.Li, Acta Phytotax. Sin. 14(1): 104. 1976.
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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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China. Hainan: Bao-ting Hisen, Xing-long, 25 Jul. 1935,
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<emphasis italics="true" pageId="0" pageNumber="1">F. C. How 73305</emphasis>
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(holotype: IBSC! [IBSC0003357]; isotypes, A [A00066602, photo!], IBK![IBK00190122], SN!).
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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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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Shrubs</emphasis>
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to 3-4 m tall, d.b.h. ca. 5 cm. Monoecious.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Branches</emphasis>
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black, densely villous when young, glabrescent (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A</figureCitation>
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). Petiole 2-3 mm, villous (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2A</figureCitation>
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);
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">leaf blade</emphasis>
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oblong to elliptic, 6-18
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<normalizedToken originalValue="×">x</normalizedToken>
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2.5-5.5 cm, papery, adaxially glossy and glabrous except for pubescent midrib (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2A</figureCitation>
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), abaxially glaucous and villous (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2B</figureCitation>
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), midvein adaxially impressed, secondary veins ca. 10 on each side of midvein and prominent on both surfaces, base rounded to sometimes shallowly cordate, apex acuminate (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Inflorescences</emphasis>
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axillary, with up to 2-3 flowers, only one flower at anthesis per inflorescence (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A, B</figureCitation>
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). Flowering peduncles 3-10 mm long, ca. 1 mm in diameter, villous (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1A, B</figureCitation>
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). Sympodial rachides inconspicuous (often less than 5 mm), internodes poorly developed with several bracts. Flowering pedicels 15-30 mm long, ca. 1 mm in diameter, densely villous with erect hairs (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1B, C</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Sepals</emphasis>
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partially connate, triangular to ovate, ca. 2 mm long, ca. 2 mm wide, glabrous adaxially, densely puberulous with appressed hairs abaxially (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1C</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Outer petals</emphasis>
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ca. 7 mm long, ca. 5 mm wide, thin, broadly circular, glabrous adaxially, puberulous with appressed hairs abaxially and on the edge, cream-colored, without claws, dried with dense tiny golden glands adaxially (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1C-E</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2C</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Inner petals</emphasis>
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ca. 8 mm long, 4 mm wide, rhombic, apex acute, base acute, ca. 1 mm thick, very densely puberulous with appressed hairs adaxially, densely puberulous with appressed hairs abaxially, cream-colored with purple tinge on adaxial surface of the blade in staminate flower (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1D, E</figureCitation>
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), and purple in pistillate flower (Fig.
|
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1F</figureCitation>
|
||
); basal claw ca. 3-4 mm long; glands paired on adaxial surface of inner petal, kidney-shaped to ellipsoid, surface smooth, raised (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1E</figureCitation>
|
||
); apical aperture absent. Flowers unisexual.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Staminate flowers</emphasis>
|
||
with androecium ca. 1 mm long, ca. 2 mm wide; stamens ca. 20-30 per flower, ca. 0.9 mm long, ca. 0.7 mm wide (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2D</figureCitation>
|
||
).
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Pistillate flowers</emphasis>
|
||
with gynoecium ca. 1.5 mm long, ca. 1.3 mm wide; carpels 3 per flower, ca. 1.2 mm long, ca. 0.5 mm wide (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1F, G</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2E</figureCitation>
|
||
); ovules ca. 6-10 per carpel, bi-seriate; staminodes two (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1G</figureCitation>
|
||
).
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Fruiting</emphasis>
|
||
peduncle 5-10 mm long, fruiting pedicel 20-50 mm (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1H</figureCitation>
|
||
).
|
||
<taxonomicName genus="Monocarps" lsidName="Monocarps" pageId="0" pageNumber="1" rank="genus">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Monocarps</emphasis>
|
||
</taxonomicName>
|
||
1-3, sessile or stipes to 3 mm long, ovoid, 20-37 cm long, 20-25 cm wide, very shallowly transversely constricted between seed when dry, densely tomentose, base rounded, apex apiculate (Figs
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1H</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Specimen morphology of Pseuduvaria kwangtungensis, comb. nov. A adaxial view of the leaf base and the petiole B abaxial view of the leaf base and the petiole C close-up of the adaxial surface of the outer petal, showing the dense tiny golden glands D dried androecium, showing the morphology of the stamens E dried gynoecium, showing the hairy carpels F dried monocarp, showing the pubescent indumentum and the shallowly transversely constriction between seed. Photos: B. Xue." figureDoi="10.3897/phytokeys.172.61025.figure2" httpUri="https://binary.pensoft.net/fig/502587" pageId="0" pageNumber="1">2F</figureCitation>
|
||
).
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Seeds</emphasis>
|
||
5-10 per monocarp, in 2 series, yellowish, semi-lenticular to ellipsoid, 12 to 14 mm long, 5-8 mm wide, 3-5 mm high, with rugose and pitted testa and a grooved raphe that is more or less straight (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1I, K</figureCitation>
|
||
), endosperm rumination spiniform (Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Morphology of Pseuduvaria kwangtungensis, comb. nov. A flowering branch B inflorescence C bottom view of a male flower D side view of a male flower E male flower, top view, inner petals manually separated to show adaxial inner petal surface with paired glands F a female flower G gynoecium of the female flower, showing three carpels and two staminodes (with black and white arrows) H fruits I inside of a monocarp, showing seeds in two series J Single dried seed, showing the grooved raphe K section of the seed, showing the spiniform endosperm rumination. Photos: Q. L. Wang (A-I); B. Xue (J, K)." figureDoi="10.3897/phytokeys.172.61025.figure1" httpUri="https://binary.pensoft.net/fig/502586" pageId="0" pageNumber="1">1L</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="distribution">
|
||
<paragraph pageId="0" pageNumber="1">Distribution and habitat.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">Known from several localities in Hainan province: Bai-cha Mountain in San-ya and Xing-long in Bao-ting, growing in rain forests, open woodland in valleys, at low elevations (ca. 600 m a.s.l).</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="phenology">
|
||
<paragraph pageId="0" pageNumber="1">Phenology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">Flowering from March to June; fruiting from June to August.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="1">Additional specimens examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
China. Hainan: San-ya, Bai-cha Mountain, 13 Aug. 1933,
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Z. Huang 33693</emphasis>
|
||
(IBSC0078951, SN); Bao-ting Hisen, Qi-xian Mountain, on mountain slopes under forest, alt. 549 m, 25 Apr. 2020,
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Q. L. Wang BT20200425001</emphasis>
|
||
(ATCH, IBSC); alt. 584 m, 28 May 2020,
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Q. L. Wang BT20200528001</emphasis>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="1">BT20200528002</emphasis>
|
||
(ATCH, IBSC).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="preliminary iucn conservation status">
|
||
<paragraph pageId="0" pageNumber="1">Preliminary IUCN conservation status.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
CR D (
|
||
<bibRefCitation author="IUCN" journalOrPublisher="IUCN, Gland, Switzerland and Cambridge, UK" pageId="0" pageNumber="1" refId="B6" refString="IUCN, 2012. IUCN red list categories and criteria: version 3.1. Second edition. IUCN, Gland, Switzerland and Cambridge, UK" title="IUCN red list categories and criteria: version 3.1. Second edition." year="2012">IUCN 2012</bibRefCitation>
|
||
).
|
||
<taxonomicName authorityName="Qing L. Wang & B. Xue" authorityYear="2021" baseAuthorityName="Qing L. Wang & B. Xue" baseAuthorityYear="2021" class="Magnoliopsida" family="Annonaceae" genus="Pseuduvaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pseuduvaria kwangtungensis" order="Magnoliales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="kwangtungensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">Pseuduvaria kwangtungensis</emphasis>
|
||
</taxonomicName>
|
||
was assessed as CR D by
|
||
<bibRefCitation DOI="https://doi.org/10.17520/biods.2017144" author="Qin, H" journalOrPublisher="Biodiversty Science" pageId="0" pageNumber="1" pagination="696 - 744" refId="B12" refString="Qin, H, Yang, Y, Dong, S, He, Q, Jia, Y, Zhao, L, Yu, S, Liu, H, Liu, B, Yan, Y, Xiang, J, Xia, N, Peng, H, Li, Z, Zhang, Z, He, X, Yin, L, Lin, Y, Liu, Q, Hou, Y, Liu, Y, Liu, Q, Cao, W, Li, J, Chen, S, Jin, X, Gao, T, Chen, W, Ma, H, Geng, Y, Jin, X, Chang, C, Jiang, H, Cai, L, Zang, C, Wu, J, Ye, J, Lai, Y, Liu, B, Lin, Q, Xue, N, 2017. Threatened Species List of China's Higher Plants. Biodiversty Science 25 (7): 696 - 744, DOI: https://doi.org/10.17520/biods.2017144" title="Threatened Species List of China's Higher Plants." url="https://doi.org/10.17520/biods.2017144" volume="25" year="2017">Qin et al. (2017)</bibRefCitation>
|
||
. Prior to this study,
|
||
<taxonomicName class="Dicotyledoneae" family="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="P. kwangtungensis" order="Magnoliales" pageId="0" pageNumber="1" phylum="Angiospermae" rank="species" species="kwangtungensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="1">P. kwangtungensis</emphasis>
|
||
</taxonomicName>
|
||
was only represented in herbaria by two collections from Hainan, China, collected in 1933 and 1935 respectively. One of the authors, Dr. Qing-Long Wang, has undertaken extensive field surveys in Hainan, and only found this species again in two localities in Qi-xian Mountain in Bao-ting, with three and four mature individuals respectively. Although
|
||
<normalizedToken originalValue="it’s">it's</normalizedToken>
|
||
possible more individuals may be discovered with more extensive field surveys, we intended to maintain the CR category.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |