109 lines
10 KiB
XML
109 lines
10 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.97.20975" ID-GBIF-Taxon="182225236" ID-Pensoft-Pub="1314-2003-97-1" ID-Pensoft-UUID="BD026E15CD67FF99E01FF605FFF6FFEF" ID-Zenodo-Dep="1239255" ModsDocID="1314-2003-97-1" checkinTime="1524638383340" checkinUser="pensoft" docAuthor="Johnson, David M. & Murray, Nancy A." docDate="2018" docId="B9FF4DA4CDED51769B1B1D8075E08A81" docLanguage="en" docName="PhytoKeys 97: 1-252" docOrigin="PhytoKeys 97" docPubDate="2018-04-24" docSource="http://dx.doi.org/10.3897/phytokeys.97.20975" docTitle="Xylopia (sect. Verdcourtia) aethiopica subsp. Section D. M. Johnson & N. A. Murray 2018, sect. nov." docType="treatment" docVersion="2" id="BD026E15CD67FF99E01FF605FFF6FFEF" lastPageNumber="74" masterDocId="BD026E15CD67FF99E01FF605FFF6FFEF" masterDocTitle="A revision of Xylopia L. (Annonaceae): the species of Tropical Africa" masterLastPageNumber="252" masterPageNumber="1" pageId="73" pageNumber="74" updateTime="1643467003316" updateUser="ExternalLinkService">
|
|
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
|
<mods:titleInfo>
|
|
<mods:title>A revision of Xylopia L. (Annonaceae): the species of Tropical Africa</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>Johnson, David M.</mods:namePart>
|
|
<mods:affiliation>Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
|
|
</mods:name>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>Murray, Nancy A.</mods:namePart>
|
|
<mods:affiliation>Department of Botany-Microbiology, Ohio Wesleyan University, Delaware, OH, 43015, USA</mods:affiliation>
|
|
<mods:nameIdentifier type="email">namurray@owu.edu</mods:nameIdentifier>
|
|
</mods:name>
|
|
<mods:typeOfResource>text</mods:typeOfResource>
|
|
<mods:relatedItem type="host">
|
|
<mods:titleInfo>
|
|
<mods:title>PhytoKeys</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:part>
|
|
<mods:date>2018</mods:date>
|
|
<mods:detail type="pubDate">
|
|
<mods:number>2018-04-24</mods:number>
|
|
</mods:detail>
|
|
<mods:detail type="volume">
|
|
<mods:number>97</mods:number>
|
|
</mods:detail>
|
|
<mods:extent unit="page">
|
|
<mods:start>1</mods:start>
|
|
<mods:end>252</mods:end>
|
|
</mods:extent>
|
|
</mods:part>
|
|
</mods:relatedItem>
|
|
<mods:location>
|
|
<mods:url>http://dx.doi.org/10.3897/phytokeys.97.20975</mods:url>
|
|
</mods:location>
|
|
<mods:classification>journal article</mods:classification>
|
|
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.97.20975</mods:identifier>
|
|
<mods:identifier type="Pensoft-Pub">1314-2003-97-1</mods:identifier>
|
|
<mods:identifier type="Pensoft-UUID">BD026E15CD67FF99E01FF605FFF6FFEF</mods:identifier>
|
|
<mods:identifier type="Zenodo-Dep">1239255</mods:identifier>
|
|
</mods:mods>
|
|
<treatment ID-GBIF-Taxon="182225236" LSID="urn:lsid:plazi:treatment:B9FF4DA4CDED51769B1B1D8075E08A81" httpUri="http://treatment.plazi.org/id/B9FF4DA4CDED51769B1B1D8075E08A81" lastPageNumber="74" pageId="73" pageNumber="74">
|
|
<subSubSection pageId="73" pageNumber="74" type="nomenclature">
|
|
<paragraph pageId="73" pageNumber="74">
|
|
IV.
|
|
<taxonomicName LSID="B9FF4DA4-CDED-5176-9B1B-1D8075E08A81" authority="D. M. Johnson & N. A. Murray" authorityName="D. M. Johnson & N. A. Murray" authorityYear="2018" class="Magnoliopsida" family="Annonaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia subsp. Section" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="section" section="Verdcourtia" species="aethiopica" status="sect. nov." subSpecies="Section">Xylopia Section Verdcourtia D. M. Johnson & N. A. Murray</taxonomicName>
|
|
<taxonomicNameLabel pageId="73" pageNumber="74">sect. nov.</taxonomicNameLabel>
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="73" pageNumber="74" type="materials_examined">
|
|
<paragraph pageId="73" pageNumber="74">
|
|
<typeStatus>Type</typeStatus>
|
|
.
|
|
</paragraph>
|
|
<paragraph pageId="73" pageNumber="74">
|
|
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia mwasumbii" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="species" species="mwasumbii">
|
|
<emphasis italics="true" pageId="73" pageNumber="74">Xylopia mwasumbii</emphasis>
|
|
</taxonomicName>
|
|
D. M. Johnson.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="73" pageNumber="74" type="diagnosis">
|
|
<paragraph pageId="73" pageNumber="74">Diagnosis.</paragraph>
|
|
<paragraph pageId="73" pageNumber="74">Nodes with branches from 2-3 axillary buds; outer and inner petals lanceolate, similar in length; inner petals glabrous, flat at the base and lacking differentiated fleshy basal margins; anther connectives rudimentary at apex, not overhanging the anther thecae, staminal cone rudimentary, surrounding only the bases of the ovaries, rim laciniate; carpels 2-5, the stigmas discrete, thickened and falciform; aril cupular, surrounding only the base of the seed; seed coat smooth, sarcotesta absent. Three species in Tropical Africa and at least two additional species in Madagascar.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="73" pageNumber="74" type="notes">
|
|
<paragraph pageId="73" pageNumber="74">Notes.</paragraph>
|
|
<paragraph pageId="73" pageNumber="74">
|
|
This species group in
|
|
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="genus">
|
|
<emphasis italics="true" pageId="73" pageNumber="74">Xylopia</emphasis>
|
|
</taxonomicName>
|
|
was distinguished on morphological grounds (
|
|
<bibRefCitation DOI="https://doi.org/10.1007/S12225-017-9681-X" author="Johnson, DM" journalOrPublisher="Novon" pageId="187" pageNumber="188" refId="B88" refString="Johnson, DM, Luke, Q, Goyder, D, Murray, NA, 2017. New species of Xylopia (Annonaceae) from East Africa. Kew Bulletin 72: 11. https://doi.org/10.1007/S12225-017-9681-X" title="New species of Xylopia (Annonaceae) from East Africa. Kew Bulletin 72: 11." url="https://doi.org/10.1007/S12225-017-9681-X" year="2017">Johnson et al. 2017</bibRefCitation>
|
|
) and was well supported as an early-diverging monophyletic subclade within the
|
|
<taxonomicName authorityName="Engl. & Diels" authorityYear="1901" class="Magnoliopsida" family="Annonaceae" genus="Stenoxylopia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Stenoxylopia" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="genus">Stenoxylopia</taxonomicName>
|
|
clade in the molecular phylogenetic analysis (Stull et al. 2017). With a more comprehensive study of
|
|
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="genus">
|
|
<emphasis italics="true" pageId="73" pageNumber="74">Xylopia</emphasis>
|
|
</taxonomicName>
|
|
species, we find that this species group is marked by synapomorphies comparable to those used to distinguish other sections in the genus. These include glabrous inner petals, rudimentary anther connective apices, relatively short (0.7-2 mm long) and broad stigmas, and a smooth fleshy white cupular aril (Fig.
|
|
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Fruits and seeds of representative Xylopia species. A Xylopia staudtii from Democratic Republic of the Congo B Xylopia aethiopica from Republic of the Congo C Xylopia quintasii from Cameroon D Xylopia tenuipetala from Mozambique E Xylopia collina from Mozambique F Xylopia gracilipes from Mozambique G Xylopia hypolampra from Gabon H Xylopia tanganyikensis from Tanzania. A by Quentin Luke B by David Harris C, G by Thomas L. P. Couvreur D by Jonathan Timberlake E, F by Mervyn Loetter H by Noriko Itoh. C reproduced with permission of Thomas L. P. Couvreur and of the American Society of Plant Taxonomists D reproduced with the permission of Jonathan Timberlake and of the Board of Trustees, Royal Botanic Gardens Kew." figureDoi="10.3897/phytokeys.97.20975.figure4" httpUri="https://binary.pensoft.net/fig/199089" pageId="73" pageNumber="74">4D</figureCitation>
|
|
). Species of this section also share outer petals spreading and inner petals erect at anthesis, stamens reduced in number (65 or fewer), and monocarps, where known, that are laterally compressed.
|
|
</paragraph>
|
|
<paragraph pageId="73" pageNumber="74">
|
|
The section is named in memory of Bernard Verdcourt, expert on African
|
|
<taxonomicName class="Magnoliopsida" family="Anonaceae" genus="Annonaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Annonaceae" order="Lepidoptera" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="genus">Annonaceae</taxonomicName>
|
|
and the first author to draw attention to the species of this section, through his descriptions of
|
|
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="genus">
|
|
<emphasis italics="true" pageId="73" pageNumber="74">Xylopia</emphasis>
|
|
</taxonomicName>
|
|
"species A" and
|
|
<taxonomicName class="Magnoliopsida" family="Ulmaceae" genus="Xylopia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Xylopia" order="Magnoliales" pageId="73" pageNumber="74" phylum="Tracheophyta" rank="genus">
|
|
<emphasis italics="true" pageId="73" pageNumber="74">Xylopia</emphasis>
|
|
</taxonomicName>
|
|
"species B" (
|
|
<bibRefCitation author="Verdcourt, B" journalOrPublisher="Crown Agents for Oversea Governments and Administrations, London" pageId="191" pageNumber="192" refId="B176" refString="Verdcourt, B, 1971b. Annonaceae. In: Milne-Redhead E, Polhill RM (Eds) Flora of Tropical East Africa. Crown Agents for Oversea Governments and Administrations, London" title="Annonaceae. In: Milne-Redhead E, Polhill RM (Eds) Flora of Tropical East Africa." year="1971 b">Verdcourt 1971b</bibRefCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |