163 lines
16 KiB
XML
163 lines
16 KiB
XML
<document ID-CLB-Dataset="23559" ID-DOI="http://dx.doi.org/10.3897/phytokeys.142.48365" ID-GBIF-Dataset="447d0c45-35c7-4aaa-b3b3-acbf7069da06" ID-PMC="PMC7082394" ID-Pensoft-Pub="1314-2003-142-1" ID-Pensoft-UUID="7B3A5CC9B82952B6B3E20C46E12DB4F1" ID-PubMed="32210671" ModsDocID="1314-2003-142-1" checkinTime="1584104974826" checkinUser="pensoft" docAuthor="Klopper, Ronell R., Crouch, Neil R., Smith, Gideon F. & van Wyk, Abraham E." docDate="2020" docId="FD6FD78B0EE95E4D9839EE89FA3AC92C" docLanguage="en" docName="PhytoKeys 142: 1-88" docOrigin="PhytoKeys 142" docSource="http://dx.doi.org/10.3897/phytokeys.142.48365" docTitle="Aloe gerstneri Reynolds 1937" docType="treatment" docVersion="6" id="7B3A5CC9B82952B6B3E20C46E12DB4F1" lastPageNumber="1" masterDocId="7B3A5CC9B82952B6B3E20C46E12DB4F1" masterDocTitle="A synoptic review of the aloes (Asphodelaceae, Alooideae) of KwaZulu-Natal, an ecologically diverse province in eastern South Africa" masterLastPageNumber="88" masterPageNumber="1" pageNumber="1" updateTime="1732650654357" updateUser="ExternalLinkService">
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<mods:title id="246DAFD932E41E5EB9D4CD9C8824D357">A synoptic review of the aloes (Asphodelaceae, Alooideae) of KwaZulu-Natal, an ecologically diverse province in eastern South Africa</mods:title>
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<mods:namePart id="47EBF83CEDA0E21AC76E0BB75A9CC813">Klopper, Ronell R.</mods:namePart>
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<mods:namePart id="E5924B86C17B96B0AA09EF6DB971E827">Crouch, Neil R.</mods:namePart>
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<mods:namePart id="4C9211B8B119A2627225C2ED9EF2ECC7">Smith, Gideon F.</mods:namePart>
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<mods:name id="EFC0B64909B585518CB0D13042410B73" type="personal">
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<mods:namePart id="0B37DBE77B789F0A8EB54E97C6A39C32">van Wyk, Abraham E.</mods:namePart>
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<mods:typeOfResource id="A41A875C11A632A59188AE97401AD583">text</mods:typeOfResource>
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<mods:titleInfo id="CB41EC4A32DAD5129234E46DBA94BC0E">
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<mods:title id="F2AF1671673F6499127A3C47A31CBA4B">PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part id="D44DA20BECCAB855CB962E47F2DB4EF4">
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<mods:date id="6A44D0F0BF6230A2178D3758AEBCB9C2">2020</mods:date>
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<mods:detail id="42B657E9CE17ADB00D0A7183B39BDE25" type="volume">
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<mods:number id="7FBCBC2F7B037C98AE5D8BAF90FCF247">142</mods:number>
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</mods:detail>
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<mods:extent id="BAA4949A9534B1DD9310723F41ADAEA9" unit="page">
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<mods:start id="F9604AFCD5309039F0A25A2C897C8733">1</mods:start>
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<mods:end id="0A64564CABD2F09A2048C06ABA5FF0DA">88</mods:end>
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<mods:location id="286F8AA2A2957EACE0C897A2C6CF3944">
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<mods:url id="BCF1082EA38D035B9CCE4E9ED22B0005">http://dx.doi.org/10.3897/phytokeys.142.48365</mods:url>
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</mods:location>
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<mods:classification id="751286973E9FE521EF4F91F2E354F356">journal article</mods:classification>
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<mods:identifier id="A290368468C27C1978DFABB8F8F00C72" type="DOI">http://dx.doi.org/10.3897/phytokeys.142.48365</mods:identifier>
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<mods:identifier id="0EE5372E414BD618DA012C6A81F929F2" type="Pensoft-Pub">1314-2003-142-1</mods:identifier>
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</mods:mods>
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<treatment id="FD6FD78B0EE95E4D9839EE89FA3AC92C" ID-GBIF-Taxon="162486998" LSID="urn:lsid:plazi:treatment:FD6FD78B0EE95E4D9839EE89FA3AC92C" httpUri="http://treatment.plazi.org/id/FD6FD78B0EE95E4D9839EE89FA3AC92C" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Asphodelaceae">
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<subSubSection id="B774F543055F960E2322296F1FBBA858" pageId="0" pageNumber="1" type="nomenclature">
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<paragraph id="6568AFECF8E36CF7D61AB41B21532E66" pageId="0" pageNumber="1">
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E
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<taxonomicName id="549D35587EA06B6913113C7332E0FB97" ID-CoL="C3N8" LSID="FD6FD78B-0EE9-5E4D-9839-EE89FA3AC92C" authority="Reynolds" authorityName="Reynolds" authorityYear="1937" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe gerstneri" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gerstneri">Aloe gerstneri Reynolds</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="1EC20269AC634D021C83D83A59459B3A" pageId="0" pageNumber="1" type="common names">
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<paragraph id="89DF6E594E8A02E3AB6F8AA9B357B76A" pageId="0" pageNumber="1">Common names.</paragraph>
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<paragraph id="B38A0E4EE5B42A68C866D7C5E4C4607F" pageId="0" pageNumber="1">
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<normalizedToken id="2DC941ED19CA2FBCF62DE3B5DCE969CF" originalValue="Gerstner’s">Gerstner's</normalizedToken>
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aloe (English); bergaalwyn (Afrikaans); isihlabane (Zulu).
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</paragraph>
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</subSubSection>
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<subSubSection id="6E541D95651CC07C136959A84F00FCAF" pageId="0" pageNumber="1" type="description">
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<paragraph id="684F3D27CD6FCA2AD357ECDD28D80AF5" pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph id="A4DD1EE879F64B2BF14D19F5A4D4D3F8" pageId="0" pageNumber="1">
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Acaulescent plants or
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<emphasis id="A3C41D07D935B67DAE7F4290296E9250" bold="true" italics="true" pageId="0" pageNumber="1">stem</emphasis>
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short; rosettes solitary, erect, 0.4-0.7 m high.
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<emphasis id="82CC322A44FD751CBB71B14E8C1CD800" bold="true" italics="true" pageId="0" pageNumber="1">Leaves</emphasis>
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densely rosulate, arcuate-erect, dull grey-green, without spots, texture smooth, lanceolate-ensiform, 40-60 cm long, 6-12 cm wide at base, lower surface sometimes with few spines in median line near apex (can be copiously spiny on both surfaces in young plants); margin not distinctly coloured, with isolated, pungent, deltoid, pale brown teeth from white sub-tuberculate base, 4 mm long, 10-15 mm apart; exudate honey-coloured.
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<emphasis id="D014C152F9335121A1DDDC83BD31F709" bold="true" italics="true" pageId="0" pageNumber="1">Inflorescence</emphasis>
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1.0-1.3 m high, erect, simple in young plants, 1- to 3-branched from below middle in mature plants.
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<emphasis id="68603401680F84CBB82B3351BC497F18" bold="true" italics="true" pageId="0" pageNumber="1">Racemes</emphasis>
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cylindrical, slightly acuminate, up to 36 cm long, 6-7 cm wide, very dense; buds and flowers pendent.
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<emphasis id="7C70337EBB3AA83CFFF1C14F7969CFBC" bold="true" italics="true" pageId="0" pageNumber="1">Floral bracts</emphasis>
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18 mm long, 5 mm wide.
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<emphasis id="6192D7B3EAAF8A2C7754FC66EB9A08E5" bold="true" italics="true" pageId="0" pageNumber="1">Pedicels</emphasis>
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5 mm long.
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<emphasis id="E1D086DE95E7D78AC04DFCBF4A0D4588" bold="true" italics="true" pageId="0" pageNumber="1">Flowers</emphasis>
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:
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<emphasis id="3CCA6315B842371C5ECCCBC210C01581" italics="true" pageId="0" pageNumber="1">perianth</emphasis>
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reddish-orange in bud, flowers yellowish-orange, 24-30 mm long,
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<normalizedToken id="5409625F907B0E1F751F969EC8CB11FE" originalValue="±">+/-</normalizedToken>
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7 mm across ovary, narrowing slightly towards mouth, cylindrical-ventricose, slightly clavate, mouth slightly upturned; outer segments free for 15-17 mm;
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<emphasis id="BFBD643F02F9EA1C2645AC4F95DE8EC6" italics="true" pageId="0" pageNumber="1">stamens</emphasis>
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exserted to 13 mm;
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<emphasis id="4A2E62A191BBBE070EC8B730B9A66BA4" italics="true" pageId="0" pageNumber="1">style</emphasis>
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exserted to 14 mm.
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</paragraph>
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</subSubSection>
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<subSubSection id="8A3553847F8787B416C6034D8D9B64CA" pageId="0" pageNumber="1" type="flowering time">
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<paragraph id="6ED470275CD9E252F32AD54853557503" pageId="0" pageNumber="1">Flowering time.</paragraph>
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<paragraph id="5EFE14FF4107BB071C26CF41F85A77EF" pageId="0" pageNumber="1">February-March.</paragraph>
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</subSubSection>
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<subSubSection id="55862FACAAEC505C9EA2270A5E3B0E69" pageId="0" pageNumber="1" type="habitat">
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<paragraph id="43ECC27577CD78F8F263BD5510E4289A" pageId="0" pageNumber="1">Habitat.</paragraph>
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<paragraph id="9C60456A7F834843375C0585994ECD09" pageId="0" pageNumber="1">Rocky slopes in grassland in areas with cold winters and reasonably high rainfall, on granite or quartzite formations.</paragraph>
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</subSubSection>
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<subSubSection id="E963D689753492E666BB2B246F089330" pageId="0" pageNumber="1" type="description">
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<paragraph id="E7DD3B768435684536A0C73CA749CF5E" pageId="0" pageNumber="1">Diagnostic characters.</paragraph>
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<paragraph id="AE9BB0AEC0E7516CA999C506E4799CF4" pageId="0" pageNumber="1">
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<taxonomicName id="6CFE3B6F43E46B8535E297FC87AB3098" authorityName="Reynolds" authorityYear="1937" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe gerstneri" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gerstneri">
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<emphasis id="0C85633FED9E090D854BCAA6B569CB44" italics="true" pageId="0" pageNumber="1">Aloe gerstneri</emphasis>
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</taxonomicName>
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can be distinguished from other virtually acaulescent, non-maculate aloes in KwaZulu-Natal (
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<taxonomicName id="9C17C25C1CDC708554653CB114485CBC" class="Liliopsida" family="Asphodelaceae" genus="Aristaloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aristaloe aristata" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="aristata">
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<emphasis id="8447C63EB72B63635F79E278B6A764FB" italics="true" pageId="0" pageNumber="1">Aristaloe aristata</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="0B115E8FDC1FAC75BBA9AD5ED8B4A39F" authority="var. chabaudii" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe chabaudii subsp. var. var. chabaudii" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="chabaudii" subSpecies="var." variety="chabaudii">Aloe chabaudii var. chabaudii</taxonomicName>
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,
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<taxonomicName id="18D42EBD9770B77276B4B30A89942AA7" authorityName="Baker" authorityYear="1880" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe pratensis" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="pratensis">
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<emphasis id="F45ED5FC77F6475D378CCA21340565DC" italics="true" pageId="0" pageNumber="1">Aloe pratensis</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="8CE4B2DBB99B5F21B953FE26B7C09DB8" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe reitzii subsp. var. var. vernalis" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="reitzii" subSpecies="var." variety="vernalis">Aloe reitzii var. vernalis</taxonomicName>
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,
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<taxonomicName id="8B158BF34BF30523C63E26CE799A02B6" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe suprafoliata" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="suprafoliata">
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<emphasis id="0CDE8D69225A10A959DA43AE0D889FA1" italics="true" pageId="0" pageNumber="1">Aloe suprafoliata</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="20CC54ECADF1CC7FC4A4AAEF74527DC1" authorityName="Pillans" authorityYear="1934" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe vanbalenii" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="vanbalenii">
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<emphasis id="CE6185998B7E85FD23565A535FC3C716" italics="true" pageId="0" pageNumber="1">Aloe vanbalenii</emphasis>
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</taxonomicName>
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) by the very dense racemes (up to 36
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<normalizedToken id="57CA1417DEBFDFD949724B6573ACFEB3" originalValue="×">x</normalizedToken>
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6-7 cm) with short erect pedicels (5 mm). Flowers are yellowish-orange, 24-30 mm long, tubular and straight, pointing downwards and almost pressed against the stalk, with conspicuously exserted stamens and style. Leaves can be copiously spiny on both surfaces in young plants, but mature leaves (40-60
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<normalizedToken id="19B2AD1D11B9DC17F3788A6900DC5229" originalValue="×">x</normalizedToken>
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6-12 cm) are without surface prickles (sometimes with spines on median line of lower surface), arcuate erect, dull grey-green and with pungent marginal teeth on a distinctive white base.
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</paragraph>
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</subSubSection>
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<subSubSection id="32DB74BC720BE164145596C3F9FA79C3" pageId="0" pageNumber="1" type="conservation status">
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<paragraph id="7BA4A90FD719E180E2FF93EA78C15AEE" pageId="0" pageNumber="1">Conservation status.</paragraph>
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<paragraph id="AE2DDD929B9CCCFEDEF1EF3EA1566B2C" pageId="0" pageNumber="1">
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Endangered. Threats include habitat degradation owing to erosion caused by overgrazing and subsistence farming (
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<bibRefCitation id="EF87D14DA6C81CD275C1132A3BF4E0DE" author="Raimondo, D" journalOrPublisher="South African National Biodiversity Institute, Pretoria" pageId="0" pageNumber="1" refId="B37" refString="Raimondo, D, Von Staden, L, Foden, W, Victor, JE, Helme, NA, Turner, RC, Kamundi, DA, Manyama, PA, 2009. Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria." title="Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria." year="2009">Raimondo et al. 2009</bibRefCitation>
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, L. von Staden pers. comm.).
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</paragraph>
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</subSubSection>
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<subSubSection id="C5E43AB2776790F5826569142942E67B" pageId="0" pageNumber="1" type="distribution">
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<paragraph id="D3D33927B112973A0438E2D9B19C564F" pageId="0" pageNumber="1">Distribution.</paragraph>
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<paragraph id="E9FFA946D678C3A711699B06A58E0FBF" pageId="0" pageNumber="1">
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Restricted to a small area in northern KwaZulu-Natal, South Africa (Fig.
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<figureCitation id="EFDFDF2BFA0EBE2FCB86AABF1BFB5EA9" captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Aloe gerstneri. Photo: E. van Wyk." figureDoi="10.3897/phytokeys.142.48365.figure15" httpUri="https://binary.pensoft.net/fig/388241" pageId="0" pageNumber="1">15</figureCitation>
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).
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</paragraph>
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<caption id="FC0E4894221B9DDB10855907F9A36313" doi="10.3897/phytokeys.142.48365.figure15" httpUri="https://binary.pensoft.net/fig/388241" pageId="0" pageNumber="1" start="Figure 15" startId="F15">
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<paragraph id="F22D9B6B46B2DD028EF379A4F694B4A2" pageId="0" pageNumber="1">
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<emphasis id="3E4BB041532253E99E87315C30471C98" bold="true" pageId="0" pageNumber="1">Figure 15.</emphasis>
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<taxonomicName id="3285E8C9C29A16812668D6951FC56F33" authorityName="Reynolds" authorityYear="1937" class="Liliopsida" family="Asphodelaceae" genus="Aloe" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aloe gerstneri" order="Asparagales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="gerstneri">
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<emphasis id="6DFC602A0638AB5644EA65B38AA8C30E" italics="true" pageId="0" pageNumber="1">Aloe gerstneri</emphasis>
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</taxonomicName>
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. Photo: E. van Wyk.
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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> |