123 lines
10 KiB
XML
123 lines
10 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.7.1956" ID-PMC="PMC3261045" ID-Pensoft-Pub="1314-2003-7-11" ID-Pensoft-UUID="FFF6790CFFDE396AFFCD5F62E92EFF9E" ID-PubMed="22287921" ID-Zenodo-Dep="576099" ModsDocID="1314-2003-7-11" checkinTime="1451252090543" checkinUser="pensoft" docAuthor="Acevedo-Rodriguez, Pedro" docDate="2011" docId="9BDDA479BB14528CBADAA0B5B8CB9A32" docLanguage="en" docName="PhytoKeys 7: 11-20" docOrigin="PhytoKeys 7" docPubDate="2011-11-29" docSource="http://dx.doi.org/10.3897/phytokeys.7.1956" docTitle="Matayba ayangannensis Acev. - Rodr., 2011, sp. nov." docType="treatment" docVersion="3" id="FFF6790CFFDE396AFFCD5F62E92EFF9E" lastPageNumber="12" masterDocId="FFF6790CFFDE396AFFCD5F62E92EFF9E" masterDocTitle="Four new species of Sapindaceae from the Guianas" masterLastPageNumber="20" masterPageNumber="11" pageNumber="11" updateTime="1668141826130" 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>Four new species of Sapindaceae from the Guianas</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>Acevedo-Rodriguez, Pedro</mods:namePart>
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<mods:affiliation>Department of Botany, MRC- 166 Smithsonian Institution, P. O. Box 37012, Washington D. C. 20013 - 7012, USA</mods:affiliation>
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<mods:nameIdentifier type="email">acevedop@si.edu</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>2011</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2011-11-29</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>7</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>20</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.7.1956</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.7.1956</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-7-11</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FFF6790CFFDE396AFFCD5F62E92EFF9E</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576099</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182229547" LSID="urn:lsid:plazi:treatment:9BDDA479BB14528CBADAA0B5B8CB9A32" httpUri="http://treatment.plazi.org/id/9BDDA479BB14528CBADAA0B5B8CB9A32" lastPageId="1" lastPageNumber="12" pageId="0" pageNumber="11">
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<subSubSection pageId="0" pageNumber="11" type="nomenclature">
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<paragraph pageId="0" pageNumber="11">
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<taxonomicName LSID="9BDDA479-BB14-528C-BADA-A0B5B8CB9A32" authority="Acev. - Rodr.," authorityName="Acev. - Rodr.," authorityYear="2011" class="Equisetopsida" family="Sapindaceae" genus="Matayba" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Matayba ayangannensis" order="Sapindales" pageId="0" pageNumber="11" phylum="Magnoliophyta" rank="species" species="ayangannensis" status="sp. nov.">Matayba ayangannensis Acev.-Rodr.,</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="11">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Matayba ayangannensis A Branch with staminate flowers B Branch with pistillate flowers C Distal portion of leaf rachis showing distal process and bases of 4 leaflets D Staminate flower E Staminate flower with part of perianth removed to show nectary disc, stamens and pistillode; detail of pistillode F Pistillate flower G Pistillate flower with part of perianth removed to show nectary disc and gynoecium; detail of staminode H Abaxial, adaxial and lateral views of petal with appendages I Pistillate flower with partly developed gynoecium, l. s. of same. All from Tillet 45080 (NY)." httpUri="https://binary.pensoft.net/fig/9954" pageId="0" pageNumber="11">Fig. 1A-I</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="latin">
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<paragraph pageId="0" pageNumber="11">Latin</paragraph>
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<paragraph pageId="0" pageNumber="11">
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<emphasis italics="true" pageId="0" pageNumber="11">Frutex 2.5 metralis; foliis 4-6 foliolatis; foliolis alternis vel sub oppositus, discolores, ellipticus, apice rotundatis retusisque; calyce tomentelli, petalis obovatis.</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="type">
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<paragraph pageId="0" pageNumber="11">Type.</paragraph>
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<paragraph pageId="0" pageNumber="11">Guyana. Cuyuni-Mazaruni. Mt. Ayanganna, S.S. Tillet, C.L. Tillet, & R. Boyan 45080 (holotype: NY!; isotypes: MO!, US!).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="description">
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<paragraph pageId="0" pageNumber="11">Description.</paragraph>
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<paragraph pageId="0" pageNumber="11">
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Shrub to 2.5 m tall. Stems glabrous, striate. Leaves paripinnate; petiole plus rachis 2-6.5 cm long, slightly flattened adaxially, striate, puberulent; petiolules ca. 5 mm long, pulvinate at base; leaflets (4) 6, 2.5-4.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1.2-2.3 cm, opposite or sub-opposite, obovate, oblanceolate or nearly elliptic, rigidly coriaceous, brittle, discolorous (abaxial surface drying brownish), adaxially glabrous, abaxially puberulent, especially along midvein, the base obtuse, symmetrical, the apex emarginate or less often rounded, the margins entire, slightly revolute; abaxially the midvein prominent, secondary and tertiary veins inconspicuous, reticulate. Thyrses 8-18 cm long, axillary, on distal portion of branches, paniculate, with ferruginous-pubescent and slightly angled axes. Flowers in simple dichasia; pedicels ca. 2 mm long, pubescent. Calyx brownish yellow, ferruginous-pubescent, ca. 1 mm long, the lobes 0.5-0.7 mm long, ovate; petals ca. 2 mm long, yellowish white, obovate, emarginate at apex, lanose mostly along margins; appendages 2, ca. 1 mm long, sericeous-tomentose, supra basal; disc glabrous, pulvinate; stamens 2-2.5 mm long, the filaments lanose on lower half; ovary tomentulose, the style subcapitate. Capsules not known.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="distribution and ecology">
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<paragraph pageId="0" pageNumber="11">Distribution and ecology.</paragraph>
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<paragraph pageId="0" pageNumber="11">Known only from the type collection in Guyana, in low forest.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="11" type="discussion">
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<paragraph pageId="0" pageNumber="11">Discussion.</paragraph>
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<paragraph pageId="0" pageNumber="11">
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<taxonomicName class="Equisetopsida" family="Sapindaceae" genus="Matayba" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Sapindales" pageId="0" pageNumber="11" phylum="Magnoliophyta" rank="species" species="ayangannensis">
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<emphasis italics="true" pageId="0" pageNumber="11">Matayba ayangannensis</emphasis>
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</taxonomicName>
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looks vegetatively similar to
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<taxonomicName authorityName="J. A. Steyerm" authorityYear="1988" class="Equisetopsida" family="Sapindaceae" genus="Matayba" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Sapindales" pageId="0" pageNumber="11" phylum="Magnoliophyta" rank="species" species="yutajensis">
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<emphasis italics="true" pageId="0" pageNumber="11">Matayba yutajensis</emphasis>
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</taxonomicName>
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Steyerm., as both species are shrubs and have leaflets with retuse apex and reticulate venation; however,
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<taxonomicName class="Equisetopsida" family="Sapindaceae" genus="Matayba" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Sapindales" pageId="0" pageNumber="11" phylum="Magnoliophyta" rank="species" species="ayangannensis">
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<emphasis italics="true" pageId="0" pageNumber="11">Matayba ayangannensis</emphasis>
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</taxonomicName>
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differs from the latter by its leaves with (4) 6, discolorous, brittle leaflets that are 2.5-4.5 cm long (vs. 2(4), concolorous, coriaceous, 10-18 cm long), and by its ferruginous-pubescent calyx, ca. 1 mm long (vs. glabrous or sparsely strigose at base and ca. 3.5 mm long).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="1" lastPageNumber="12" pageId="0" pageNumber="11" type="etymology">
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<paragraph pageId="0" pageNumber="11">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="11">The epithet refers to Mt. Ayanganna where the type collection was made.</paragraph>
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<caption httpUri="https://binary.pensoft.net/fig/9954" pageId="1" pageNumber="12" start="Figure 1" startId="F1">
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<paragraph pageId="1" pageNumber="12">
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<emphasis bold="true" pageId="1" pageNumber="12">
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<pageBreakToken pageId="1" pageNumber="12" start="start">Figure</pageBreakToken>
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1.
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</emphasis>
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<taxonomicName class="Equisetopsida" family="Sapindaceae" genus="Matayba" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Sapindales" pageId="1" pageNumber="12" phylum="Magnoliophyta" rank="species" species="ayangannensis">
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<emphasis italics="true" pageId="1" pageNumber="12">Matayba ayangannensis</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="1" pageNumber="12">A</emphasis>
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Branch with staminate flowers
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<emphasis bold="true" pageId="1" pageNumber="12">B</emphasis>
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Branch with pistillate flowers
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<emphasis bold="true" pageId="1" pageNumber="12">C</emphasis>
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Distal portion of leaf rachis showing distal process and bases of 4 leaflets
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<emphasis bold="true" pageId="1" pageNumber="12">D</emphasis>
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Staminate flower
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<emphasis bold="true" pageId="1" pageNumber="12">E</emphasis>
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Staminate flower with part of perianth removed to show nectary disc, stamens and pistillode; detail of pistillode
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<emphasis bold="true" pageId="1" pageNumber="12">F</emphasis>
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Pistillate flower
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<emphasis bold="true" pageId="1" pageNumber="12">G</emphasis>
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Pistillate flower with part of perianth removed to show nectary disc and gynoecium; detail of staminode
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<emphasis bold="true" pageId="1" pageNumber="12">H</emphasis>
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Abaxial, adaxial and lateral views of petal with appendages
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<emphasis bold="true" pageId="1" pageNumber="12">I</emphasis>
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Pistillate flower with partly developed gynoecium, l. s. of same. All from Tillet 45080 (NY).
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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> |