218 lines
19 KiB
XML
218 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.51.7104" ID-PMC="PMC4489078" ID-Pensoft-Pub="1314-2003-51-1" ID-Pensoft-UUID="E76E3938E216FF804849B803C469FE14" ID-PubMed="26140023" ID-Zenodo-Dep="576310" ModsDocID="1314-2003-51-1" checkinTime="1451251513006" checkinUser="pensoft" docAuthor="Wood, John R. I., Williams, Bethany R. M., Mitchell, Thomas C., Carine, Mark A., Harris, David J. & Scotland, Robert W." docDate="2015" docId="BB2B0D1C804E51959BE640E691006273" docLanguage="en" docName="PhytoKeys 51: 1-282" docOrigin="PhytoKeys 51" docPubDate="2015-06-18" docSource="http://dx.doi.org/10.3897/phytokeys.51.7104" docTitle="Convolvulus austroafricanus J. R. I. Wood & R. W. Scotland 2015, sp. nov." docType="treatment" docVersion="3" id="E76E3938E216FF804849B803C469FE14" lastPageNumber="76" masterDocId="E76E3938E216FF804849B803C469FE14" masterDocTitle="A foundation monograph of Convolvulus L. (Convolvulaceae)" masterLastPageNumber="282" masterPageNumber="1" pageNumber="75" updateTime="1668141381863" 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 foundation monograph of Convolvulus L. (Convolvulaceae)</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>Wood, John R. I.</mods:namePart>
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<mods:affiliation>Department of Plant Sciences, South Parks Road, University of Oxford, OX 1 3 RB, UK & Honorary Research Associate, Royal Botanic Gardens, Kew</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>Williams, Bethany R. M.</mods:namePart>
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<mods:affiliation>Department of Plant Sciences, South Parks Road, University of Oxford, OX 1 3 RB, UK & Department of Life Sciences, Natural History Museum, Cromwell Road, London SW 7 5 BD, UK</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>Mitchell, Thomas C.</mods:namePart>
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<mods:affiliation>Plant Biodiversity Research, Technische Universitaet Muenchen, Maximus-von-Imhof Forum 2, 85354 Freising, Germany</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>Carine, Mark A.</mods:namePart>
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<mods:affiliation>Department of Life Sciences, Natural History Museum, Cromwell Road, London SW 7 5 BD, UK</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>Harris, David J.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6801-2484</mods:nameIdentifier>
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<mods:affiliation>Royal Botanic Garden Edinburgh, 20 A Inverleith Row, Edinburgh EH 3 5 LR, UK</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>Scotland, Robert W.</mods:namePart>
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<mods:affiliation>Department of Plant Sciences, South Parks Road, University of Oxford, OX 1 3 RB, UK</mods:affiliation>
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<mods:nameIdentifier type="email">robert.scotland@plants.ox.ac.uk</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>2015</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2015-06-18</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>51</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>282</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.51.7104</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.51.7104</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-51-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">E76E3938E216FF804849B803C469FE14</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576310</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182228060" LSID="urn:lsid:plazi:treatment:BB2B0D1C804E51959BE640E691006273" httpUri="http://treatment.plazi.org/id/BB2B0D1C804E51959BE640E691006273" lastPageId="75" lastPageNumber="76" pageId="74" pageNumber="75">
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<subSubSection pageId="74" pageNumber="75" type="nomenclature">
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<paragraph pageId="74" pageNumber="75">
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34.
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<taxonomicName LSID="BB2B0D1C-804E-5195-9BE6-40E691006273" authority="J. R. I. Wood & R. W. Scotland" authorityName="J. R. I. Wood & R. W. Scotland" authorityYear="2015" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus austroafricanus" order="Solanales" pageId="74" pageNumber="75" phylum="Tracheophyta" rank="species" species="austroafricanus" status="sp. nov.">Convolvulus austroafricanus J.R.I.Wood & R.W.Scotland</taxonomicName>
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<taxonomicNameLabel pageId="74" pageNumber="75">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Habits of the four new species described in this treatment. A Convolvulus austroafricanus B Convolvulus peninsularis C Convolvulus xanthopotamicus D Convolvulus iranicus A from Fanshawe 6566 (K) B from Whitcombe 807 (E) C from Purdom s. n. (K) D from Alava & Bokhari 10629 (W)." pageId="74" pageNumber="75">Figures 2a</figureCitation>
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. 1 - 6 Convolvulus farinosus 1 leaf 2 outer sepal 3 middle sepal 4 inner sepal 5 stamen 6 ovary and style. From Voeke 3803 (GOET) 7 - 14 Convolvulus ocellatus 7 leaf 8 outer sepal 9 middle sepal 10 inner sepal 11 stamen 12 ovary and style 13 bracteoles, calyx and capsule 14 seeds. From Adams 10 / 1920 (K) 15 - 22 Convolvulus randii 15 leaf 16 bracteoles 17 outer sepal 18 middle sepal 19 inner sepal 20 stamen 21 ovary and style 22 calyx and capsule. From Leach and Muller 11720 (K) 23 - 28 Convolvulus aschersonii 23 leaf 24 bracteoles showing flower buds 25 outer sepal 26 inner sepal 27 stamen 28 ovary and style. From Moss 6304 (BM) 29 - 35 Convolvulus natalensis 29 leaf 30 leaf 31 outer sepal 32 inner sepal 33 stamen 34 ovary and style 35 calyx and capsule 29 & 31 - 35 from Hilliard 5023 (K) 30 from Drege s. n. (OXF) 36 - 42 Convolvulus sagittatus 36 leaf 37 outer sepal 38 inner sepal 39 stamen 40 ovary and style 41 calyx and capsule 42 seeds. From Wood 3239 (BM) 43 - 51 Convolvulus austroafricanus 43 leaf 44 bracteole 45 outer sepal 46 middle sepal 47 inner sepal 48 stamen 49 ovary and style 50 calyx and capsule 51 seed. From Noorgrann 423 (K)." pageId="74" pageNumber="75">and 7, t. 43-51</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="74" pageNumber="75" type="diagnosis">
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<paragraph pageId="74" pageNumber="75">Diagnosis.</paragraph>
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<paragraph pageId="74" pageNumber="75">
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Affine
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<taxonomicName class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus farinosi" order="Solanales" pageId="74" pageNumber="75" phylum="Tracheophyta" rank="species" species="farinosi">Convolvulus farinosi</taxonomicName>
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L. et
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<taxonomicName authorityName="Engl., Abh. Koenigl. Akad. Wiss. Berlin 2: 349. 1892. (Engler" authorityYear="1892" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus aschersonii" order="Solanales" pageId="74" pageNumber="75" phylum="Tracheophyta" rank="species" species="aschersonii">
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<emphasis italics="true" pageId="74" pageNumber="75">Convolvulus aschersonii</emphasis>
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</taxonomicName>
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Engler sed pilis asperis, longis instructis et lobis medianis foliorum inciso-dentatis distinctis.
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</paragraph>
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<paragraph pageId="74" pageNumber="75">
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<taxonomicName authorityName="Engl., Abh. Koenigl. Akad. Wiss. Berlin 2: 349. 1892. (Engler" authorityYear="1892" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus aschersonii" order="Solanales" pageId="74" pageNumber="75" phylum="Tracheophyta" rank="species" species="aschersonii">
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<emphasis italics="true" pageId="74" pageNumber="75">Convolvulus aschersonii</emphasis>
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</taxonomicName>
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sensu
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<bibRefCitation author="Meeuse, ADL" journalOrPublisher="Bothalia" pageId="207" pageNumber="208" pagination="641 - 792" refId="B225" refString="Meeuse, ADL, 1958 1957. The South African Convolvulaceae. Bothalia 6: 641 - 792" title="The South African Convolvulaceae." volume="6" year="1958">Meeuse (1958</bibRefCitation>
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: 677).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="74" pageNumber="75" type="type">
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<paragraph pageId="74" pageNumber="75">Type.</paragraph>
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<paragraph pageId="74" pageNumber="75">
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ZIMBABWE, Salisbury [Harare], a weed, 29 June 1927,
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<emphasis italics="true" pageId="74" pageNumber="75">R.G. Young 18497</emphasis>
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(holotype BM001035803!; isotype PRE).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="74" pageNumber="75" type="description">
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<paragraph pageId="74" pageNumber="75">Description.</paragraph>
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<paragraph pageId="74" pageNumber="75">
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Perennial herb, all vegetative parts pubescent with somewhat asperous, sometimes rufous hairs; rootstock a woody taproot; stems prostrate or twining, up to 2 m long. Leaves petiolate, 3-6
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<normalizedToken originalValue="×">x</normalizedToken>
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0.5-2.5 cm, variable in shape, ovate-deltoid, auriculate, sometimes the auricles lobed, the central lobe commonly oblong, apex acute, the margins undulate, sinuate-dentate to pinnatisect, base hastate; petioles 3-30 mm. Flowers 1-6 together (very rarely all solitary on the same plant) in axillary pedunculate cymes; peduncles 10-35 mm; pedicels 2-15 mm, bracts 2.5-4 mm, linear; sepals very unequal, outer sepals 6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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4-5 mm, ovate to elliptic, acute; inner sepals 4-6
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<normalizedToken originalValue="×">x</normalizedToken>
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3-4 mm, nearly glabrous, apiculate; corolla 9-12 mm long, white or pale pink, lobed, the midpetaline bands pubescent, terminating in prominent teeth; ovary glabrous; style glabrous, divided c. 3 mm above base, stigmas 2.5 mm, linear. Capsule glabrous; seeds glabrous, smooth. [
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<bibRefCitation author="Meeuse, ADL" journalOrPublisher="Flora of Southern Africa" pageId="207" pageNumber="208" pagination="1 - 138" refId="B226" refString="Meeuse, ADL, Welman, WG, 2000. Convolvulaceae. Flora of Southern Africa volume 28 (part 1): 1 - 138" title="Convolvulaceae." volume="volume 28" year="2000">Meeuse and Welman 2000</bibRefCitation>
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: 38 (map), under
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<taxonomicName authorityName="Engl., Abh. Koenigl. Akad. Wiss. Berlin 2: 349. 1892. (Engler" authorityYear="1892" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus aschersonii" order="Solanales" pageId="74" pageNumber="75" phylum="Tracheophyta" rank="species" species="aschersonii">
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<emphasis italics="true" pageId="74" pageNumber="75">Convolvulus aschersonii</emphasis>
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</taxonomicName>
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]
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="75" lastPageNumber="76" pageId="74" pageNumber="75" type="distribution">
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<paragraph pageId="74" pageNumber="75">Distribution.</paragraph>
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<paragraph lastPageId="75" lastPageNumber="76" pageId="74" pageNumber="75">
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South Africa (
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<emphasis italics="true" pageId="75" pageNumber="76">
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<pageBreakToken pageId="75" pageNumber="76" start="start">Codd</pageBreakToken>
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</emphasis>
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8732,
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<emphasis italics="true" pageId="75" pageNumber="76">Meeuse</emphasis>
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2237,
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<emphasis italics="true" pageId="75" pageNumber="76">Hutchinson</emphasis>
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2895,
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<emphasis italics="true" pageId="75" pageNumber="76">Codd</emphasis>
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8732); Zimbabwe (
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<emphasis italics="true" pageId="75" pageNumber="76">Blenkison in Moss</emphasis>
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14811,
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<emphasis italics="true" pageId="75" pageNumber="76">Peter</emphasis>
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51118,
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<emphasis italics="true" pageId="75" pageNumber="76">Drummond</emphasis>
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4904,
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<emphasis italics="true" pageId="75" pageNumber="76">Leach</emphasis>
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8369); Zambia (
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<emphasis italics="true" pageId="75" pageNumber="76">Fanshawe</emphasis>
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6566); Ethiopia (
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<emphasis italics="true" pageId="75" pageNumber="76">Mooney</emphasis>
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5548). It is centred on Northern South Africa-Zimbabwe and is absent north of southern Zambia apart from two collections from Ethiopia.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="75" pageNumber="76" type="notes">
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<paragraph pageId="75" pageNumber="76">Notes.</paragraph>
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<paragraph pageId="75" pageNumber="76">
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This species was treated as
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<taxonomicName authorityName="Engl., Abh. Koenigl. Akad. Wiss. Berlin 2: 349. 1892. (Engler" authorityYear="1892" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus aschersonii" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="aschersonii">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus aschersonii</emphasis>
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</taxonomicName>
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by
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<bibRefCitation author="Meeuse, ADL" journalOrPublisher="Bothalia" pageId="207" pageNumber="208" pagination="641 - 792" refId="B225" refString="Meeuse, ADL, 1958 1957. The South African Convolvulaceae. Bothalia 6: 641 - 792" title="The South African Convolvulaceae." volume="6" year="1958">Meeuse (1958)</bibRefCitation>
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and
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<bibRefCitation author="Meeuse, ADL" journalOrPublisher="Flora of Southern Africa" pageId="207" pageNumber="208" pagination="1 - 138" refId="B226" refString="Meeuse, ADL, Welman, WG, 2000. Convolvulaceae. Flora of Southern Africa volume 28 (part 1): 1 - 138" title="Convolvulaceae." volume="volume 28" year="2000">Meeuse and Welman (2000)</bibRefCitation>
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but is very different from the type of that species. It is distinguished from all similar species by the spreading pubescent, slightly asperous indumentum of stem, leaves and flower parts, the pinnatisect leaves and (usually) the 4-6-flowered cymes. Towards the north of its range it tends to have fewer flowers and specimens intermediate with
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<taxonomicName authorityName="Baker, Bull Misc. Inform. Kew 1894: 67. 1894. (Baker" authorityYear="1894" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus thomsonii" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="thomsonii">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus thomsonii</emphasis>
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</taxonomicName>
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and
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<taxonomicName authorityName="Engl., Abh. Koenigl. Akad. Wiss. Berlin 2: 349. 1892. (Engler" authorityYear="1892" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus aschersonii" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="aschersonii">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus aschersonii</emphasis>
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</taxonomicName>
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are sometimes found. Although quite often united with
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<taxonomicName class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus sagittatus" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="sagittatus">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus sagittatus</emphasis>
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</taxonomicName>
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molecular studies (
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<bibRefCitation author="Williams, BRM" journalOrPublisher="Taxon" pageId="214" pageNumber="215" pagination="1287 - 1306" publicationUrl="10.12705/636.9" refId="B388" refString="Williams, BRM, Mitchell, TC, Wood, JRI, Harris, DJ, Scotland, RW, Carine, MA, 2014. Integrating DNA barcode data in a monograph of Convolvulus L. Taxon 63: 1287 - 1306, DOI: 10.12705/636.9" title="Integrating DNA barcode data in a monograph of Convolvulus L." url="10.12705/636.9" volume="63" year="2014">Williams et al. 2014</bibRefCitation>
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) support of the retention of
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<taxonomicName authorityName="J. R. I. Wood & R. W. Scotland" authorityYear="2015" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus austroafricanus" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="austroafricanus">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus austroafricanus</emphasis>
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</taxonomicName>
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as a distinct species.
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</paragraph>
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<paragraph pageId="75" pageNumber="76">
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<taxonomicName authorityName="J. R. I. Wood & R. W. Scotland" authorityYear="2015" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus austroafricanus" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="austroafricanus">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus austroafricanus</emphasis>
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</taxonomicName>
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is common in the area where Zimbabwe and South Africa meet and should be classified as Least Concen (LC) using
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<bibRefCitation author="IUCN" journalOrPublisher="International Union for the Conservation of Nature, Gland, Switzerland" pageId="204" pageNumber="205" refId="B159" refString="IUCN, 2012. Guidelines for application of IUCN Red List Criteria at Regional and National Levels. International Union for the Conservation of Nature, Gland, Switzerland" title="Guidelines for application of IUCN Red List Criteria at Regional and National Levels" year="2012">IUCN (2012)</bibRefCitation>
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guidelines. The epithet "
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<emphasis italics="true" pageId="75" pageNumber="76">austroafricanus</emphasis>
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" meaning southern Africa refers to its distribution.
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</paragraph>
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<paragraph pageId="75" pageNumber="76">
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A cultivated plant (
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<emphasis italics="true" pageId="75" pageNumber="76">Meeuse</emphasis>
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9237A) looks very like a hybrid between
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<taxonomicName authorityName="J. R. I. Wood & R. W. Scotland" authorityYear="2015" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus austroafricanus" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="austroafricanus">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus austroafricanus</emphasis>
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</taxonomicName>
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and
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<taxonomicName authorityName="L., Mant. Pl. 2: 203. 1771 (Linnaeus" authorityYear="1771" class="Magnoliopsida" family="Convolvulaceae" genus="Convolvulus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Convolvulus farinosus" order="Solanales" pageId="75" pageNumber="76" phylum="Tracheophyta" rank="species" species="farinosus">
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<emphasis italics="true" pageId="75" pageNumber="76">Convolvulus farinosus</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |