treatments-xml/data/13/BB/1A/13BB1AA12A3352C4BF1288016B0AFED7.xml
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<document ID-CLB-Dataset="269780" ID-DOI="http://dx.doi.org/10.3897/phytokeys.234.106486" ID-GBIF-Dataset="56ab3090-85e3-4733-a5e9-08d0e6a52e93" ID-Pensoft-Pub="1314-2003-234-1" ID-Pensoft-UUID="175200BD8D535C96944C1AC7D5B29315" ModsDocID="1314-2003-234-1" checkinTime="1695979647631" checkinUser="pensoft" docAuthor="Wessapak, Paweena, Ngernsaengsaruay, Chatchai &amp; Duangjai, Suthee" docDate="2023" docId="13BB1AA12A3352C4BF1288016B0AFED7" docLanguage="en" docName="PhytoKeys 234: 1-33" docOrigin="PhytoKeys 234" docPubDate="2023-09-28" docSource="http://dx.doi.org/10.3897/phytokeys.234.106486" docTitle="Cenchrus L., Sp. Pl.: 1049. 1753" docType="treatment" docVersion="2" id="175200BD8D535C96944C1AC7D5B29315" lastPageNumber="1" masterDocId="175200BD8D535C96944C1AC7D5B29315" masterDocTitle="A taxonomic revision of Cenchrus L. (Poaceae) in Thailand, with lectotypification of Pennisetum macrostachyum Benth." masterLastPageNumber="33" masterPageNumber="1" pageNumber="1" updateTime="1695980269918" updateUser="ExternalLinkService">
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<mods:title id="5A53787FD7E4A5CC4C6C5FCB9892B5F4">A taxonomic revision of Cenchrus L. (Poaceae) in Thailand, with lectotypification of Pennisetum macrostachyum Benth.</mods:title>
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<mods:namePart id="2BB505E01185E70FBFFC588AA0F82A09">Wessapak, Paweena</mods:namePart>
<mods:affiliation id="C5E72D991FD68C28489BF5589A7E09DB">Department of Botany, Faculty of Science, Kasetsart University, Chatuchak, Bangkok 10900, Thailand</mods:affiliation>
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<mods:namePart id="F4B43EF80D446CEB2B35F3F28C61B052">Ngernsaengsaruay, Chatchai</mods:namePart>
<mods:affiliation id="5788735FFF16CA0802BC97297D0F0236">Department of Botany, Faculty of Science, Kasetsart University, Chatuchak, Bangkok 10900, Thailand</mods:affiliation>
<mods:nameIdentifier id="C5EE7D9BD0F36F35ED0A5BC89ED2C7FF" type="email">fsciccn@ku.ac.th</mods:nameIdentifier>
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<mods:namePart id="AFA35F904263C2EDF5353102B2EFC438">Duangjai, Suthee</mods:namePart>
<mods:nameIdentifier id="059187EB01AC6FEB62D9B24F4FA373FC" type="ORCID">https://orcid.org/0000-0002-1490-759X</mods:nameIdentifier>
<mods:affiliation id="74714F92D45E610C5543321CB993B8AA">Department of Botany, Faculty of Science, Kasetsart University, Chatuchak, Bangkok 10900, Thailand</mods:affiliation>
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<mods:title id="22930A1B6658681C41A014CDA08A46DE">PhytoKeys</mods:title>
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<mods:date id="FA6FB93689CB2195AA2EE01E9E4629F6">2023</mods:date>
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<mods:identifier id="37997E9C13A8178FAA1C1E00BBE308DA" type="DOI">http://dx.doi.org/10.3897/phytokeys.234.106486</mods:identifier>
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<subSubSection id="748FB0E54E9CE5E4C8778D1261C61350" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="9D80222C527C5E57C0BB71A33DC9D26A" pageId="0" pageNumber="1">
<taxonomicName id="F01F21176EFB47D90AC00B43562D6F1E" ID-CoL="8VW2R" ID-ENA="4583" LSID="13BB1AA1-2A33-52C4-BF12-88016B0AFED7" authority="L., Sp. Pl.: 1049. 1753" authorityName="L., Sp. Pl.: 1049." authorityYear="1753" class="Liliopsida" family="Poaceae" genus="Cenchrus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cenchrus" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">Cenchrus L., Sp. Pl.: 1049. 1753</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="96807B7E57BDD01B3A467E23EB879D1A" pageId="0" pageNumber="1" type="reference_group">
<paragraph id="1F0F5DDE14B380F2ED4973C8E59F9AA0" pageId="0" pageNumber="1">
<taxonomicName id="6CF4DF3F7B9E9C24910678CBFC58C24C" class="Liliopsida" family="Poaceae" genus="Pennisetum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pennisetum" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">Pennisetum</taxonomicName>
Rich. in Pers., Syn. Pl. 1: 72. 1805. Type species:
<taxonomicName id="6A89926E4C5209EC0C0B42DB67523D8D" class="Liliopsida" family="Poaceae" genus="Pennisetum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pennisetum typhoideum" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="typhoideum">Pennisetum typhoideum</taxonomicName>
Rich.
</paragraph>
<paragraph id="765AC9402DDE1DC698589CA9B3E2F4B8" pageId="0" pageNumber="1">
<taxonomicName id="5D67F2CEB3B3E9D5174642FF2BD61A09" authorityName="Hackel" authorityYear="1898" class="Liliopsida" family="Poaceae" genus="Odontelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Odontelytrum" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">Odontelytrum</taxonomicName>
Hack., Oesterr. Bot. Z. 48: 86. 1898. Type species:
<taxonomicName id="9F26343D956C06672C0F34EB303EFCFD" class="Liliopsida" family="Poaceae" genus="Odontelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Odontelytrum abyssinicum" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="abyssinicum">Odontelytrum abyssinicum</taxonomicName>
Hack.
</paragraph>
<paragraph id="7E6FC0203F21C748FB85EFD130ED7118" pageId="0" pageNumber="1">
<taxonomicName id="00DB3134F460EDA4BA3322EC8877C147" class="Liliopsida" family="Poaceae" genus="Snowdenia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Snowdenia" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">Snowdenia</taxonomicName>
C. E. Hubb., Bull. Misc. Inform. Kew 1929: 30. 1929. Type species:
<taxonomicName id="9BC1BB54F4ADD3ACC4C0EE803BCDCB08" class="Liliopsida" family="Poaceae" genus="Snowdenia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Snowdenia microcarpha" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="microcarpha">Snowdenia microcarpha</taxonomicName>
C. E. Hubb.
</paragraph>
<paragraph id="688E71C64041B0C3E21D738FC37B1D52" pageId="0" pageNumber="1">
<taxonomicName id="DEE3FF12D481057A66204A8F58D79085" authorityName="H.Scholz" authorityYear="2006" class="Liliopsida" family="Poaceae" genus="Kikuyuochloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Kikuyuochloa" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">Kikuyuochloa</taxonomicName>
H. Scholz. Feddes Repert. 117: 513. 2006. Type species:
<taxonomicName id="9DAA54FB5888F1FA581D9641EBE750D2" authorityName="H.Scholz" authorityYear="2006" baseAuthorityName="Hochst. ex Chiov." class="Liliopsida" family="Poaceae" genus="Kikuyuochloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Kikuyuochloa clandestina" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="clandestina">Kikuyuochloa clandestina</taxonomicName>
(Hochst. ex Chiov.) H. Scholz (Basionym:
<taxonomicName id="C88CCE0CA2988E01A1826567E4D507F5" class="Liliopsida" family="Poaceae" genus="Pennisetum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pennisetum clandestinum" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="clandestinum">Pennisetum clandestinum</taxonomicName>
Hochst. ex Chiov.)
</paragraph>
</subSubSection>
<subSubSection id="85D7F54C87E173495FEBDD329C45F483" pageId="0" pageNumber="1" type="type species">
<paragraph id="83CBE99624F0F08B63551540CDF466C3" pageId="0" pageNumber="1">Type species.</paragraph>
<paragraph id="4AB86428FB7FB04979E250833E7FCD1D" pageId="0" pageNumber="1">
<taxonomicName id="8235087F590FAA7646005D3366B889E3" class="Liliopsida" family="Poaceae" genus="Cenchrus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cenchrus echinatus" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="echinatus">
<emphasis id="8DBB21BF77928307F29EED54F7FB716B" italics="true" pageId="0" pageNumber="1">Cenchrus echinatus</emphasis>
</taxonomicName>
L.
</paragraph>
</subSubSection>
<subSubSection id="BEAEFAD8E78A272957F523B8924349CA" pageId="0" pageNumber="1" type="description">
<paragraph id="75306A483393606CEA2D391CFB9913CD" pageId="0" pageNumber="1">Description.</paragraph>
<paragraph id="A6664C0355E6FE740B32765196C16DB2" pageId="0" pageNumber="1">
Annual or perennial, tufted.
<emphasis id="D4D1CFA9B8A86A11BAD68B0906AB25A8" bold="true" italics="true" pageId="0" pageNumber="1">Culms</emphasis>
geniculate ascending or prostrate.
<emphasis id="051EF3F850C3339A8D13C673C4DD670D" bold="true" italics="true" pageId="0" pageNumber="1">Leaf sheaths</emphasis>
with or without keeled conspicuous, margins hyaline or hairy.
<emphasis id="88A11E135B78E5E13B1DDEF9C5C17147" bold="true" italics="true" pageId="0" pageNumber="1">Ligules</emphasis>
ciliolate membrane, ciliolate rim or a fringe of hairs.
<emphasis id="E6CFC3B84726F84C133A99C00328D01E" bold="true" italics="true" pageId="0" pageNumber="1">Leaf blades</emphasis>
linear, margins scabrous, usually chartaceous.
<emphasis id="6DACF5CD2A086AFA32F33C2A4A4BE65F" bold="true" italics="true" pageId="0" pageNumber="1">Inflorescence</emphasis>
spiciform panicle, usually cylindrical; racemes very short or false spike.
<emphasis id="D79CAECDFC9129BC55BD9AF387894362" bold="true" italics="true" pageId="0" pageNumber="1">Spikelets</emphasis>
1-8 in cluster, subtended by involucre of bristles and spines, these free at base to forming a cup and burr-like, filiform, terete or flattened, spikelet dorsally compressed; sessile or pedicelled.
<emphasis id="4A65D454722B50C5DC0E6AB2C1C0B2A3" bold="true" italics="true" pageId="0" pageNumber="1">Lower glume</emphasis>
shorter than spikelet or absent.
<emphasis id="6471FCD8AD3B4C280FF5F2C0D22F8E4E" bold="true" italics="true" pageId="0" pageNumber="1">Florets</emphasis>
2.
<emphasis id="4D344A7F4B850B16EC16837F25F61DD9" bold="true" italics="true" pageId="0" pageNumber="1">Lower floret</emphasis>
male or sterile.
<emphasis id="FDD4EC1B87DCBFE0EA235107162409A1" bold="true" italics="true" pageId="0" pageNumber="1">Lower lemma</emphasis>
variable.
<emphasis id="370015486E27E5BE9DCC9339A35C2C85" bold="true" italics="true" pageId="0" pageNumber="1">Upper floret</emphasis>
bisexual.
<emphasis id="D8F47EB55EC3855A21180C31A20C4C91" bold="true" italics="true" pageId="0" pageNumber="1">Lodicules</emphasis>
present or absent.
</paragraph>
<paragraph id="92BEBF895E28F11D973C5624A436839E" pageId="0" pageNumber="1">A genus of approximately 107 pantropical species, seven species were introduced in Thailand and have become naturalised in the country (the taxonomic treatments and a key to the species excluding the species were introduced so as to be useful in Thailand, but were not found or recorded in their natural habitat).</paragraph>
</subSubSection>
</treatment>
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