349 lines
35 KiB
XML
349 lines
35 KiB
XML
<document ID-CLB-Dataset="28281" ID-DOI="http://dx.doi.org/10.3897/phytokeys.114.28799" ID-GBIF-Dataset="175ade4f-e320-4f41-ab85-7811f4147be4" ID-PMC="PMC6323114" ID-Pensoft-Pub="1314-2003-114-123" ID-Pensoft-UUID="CB70FFE82A46DE6DFFEBFFF8F43A6230" ID-PubMed="30627045" ID-Zenodo-Dep="2533527" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-2003-114-123" ModsDocOrigin="PhytoKeys " ModsDocTitle="Revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Peru: classification, phylogeny, and a new species, M.romaschenkoi" checkinTime="1553125316505" checkinUser="pensoft" docAuthor="Peterson, Paul M., Vega, Isidoro Sanchez, Romaschenko, Konstantin, Giraldo-Canas, Diego & Rodriguez, Nancy F. Refulio" docDate="2018" docId="EFFB8DA8E7EFA589053DDD6506FF24F1" docLanguage="en" docName="PhytoKeys 114: 123-206" docOrigin="PhytoKeys 114" docSource="http://dx.doi.org/10.3897/phytokeys.114.28799" docTitle="Muhlenbergia romaschenkoi P. M. Peterson 2018, sp. nov." docType="treatment" docVersion="8" id="CB70FFE82A46DE6DFFEBFFF8F43A6230" lastPageNumber="179" masterDocId="CB70FFE82A46DE6DFFEBFFF8F43A6230" masterDocTitle="Revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Peru: classification, phylogeny, and a new species, M. romaschenkoi" masterLastPageNumber="206" masterPageNumber="123" pageNumber="177" updateTime="1732930826153" updateUser="ExternalLinkService">
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<mods:mods id="8AE9C400772BDF7E55FB7E64D0262F96" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="E08B400AB0B7705E31C3910EB19D3987">
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<mods:title id="9B5AF2D1F0B69B44F803A946C819CA26">Revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Peru: classification, phylogeny, and a new species, M. romaschenkoi</mods:title>
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</mods:titleInfo>
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<mods:name id="0DC2FF6BD87E90BD5D907DA56D28C581" type="personal">
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<mods:roleTerm id="E17074B9753EBF9DFE472ECEE0404C8B">Author</mods:roleTerm>
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<mods:namePart id="AE04E658E630E9242C88BE50958B1F31">Peterson, Paul M.</mods:namePart>
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<mods:name id="7CAEE760BFC56003C4FA9D4C4EFC28D6" type="personal">
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<mods:roleTerm id="BF71D675A752BA1B465C57AFBE5800B5">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="E8E6E7CBCCD4444A23E743EE31B7F3D6">Vega, Isidoro Sanchez</mods:namePart>
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</mods:name>
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<mods:name id="8716D0A5CAA5AED8777B74CE830409BE" type="personal">
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<mods:roleTerm id="DF9E5ABF04D7D4D6146F5B284D348562">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="8E902D67FEA353A7CD8FF72D8A068E45">Romaschenko, Konstantin</mods:namePart>
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</mods:name>
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<mods:name id="3C9ED5EA2B0ED78A56065E281E98E013" type="personal">
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<mods:roleTerm id="0EE2967AD80131A69B567247D7571BE8">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="78826A10BCC602C4379C17FE6F5E4DA8">Giraldo-Canas, Diego</mods:namePart>
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</mods:name>
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<mods:name id="4BC89C6662509BCEEC4F791C47266FC2" type="personal">
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<mods:roleTerm id="BB489E6C5AAFC88E7A3CE64BEF734402">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="6FBA7C17E434C354A6010216BA5C32D5">Rodriguez, Nancy F. Refulio</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="21BC58D02EED468D8336BE55E3A4F5B4">text</mods:typeOfResource>
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<mods:title id="923DA4FEF743FFC286B5DED31488AA01">PhytoKeys</mods:title>
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<mods:part id="B7147D676F7D1EB6B02D4B83930FB5C9">
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<mods:date id="AD99F38BBDB44040D347E715303A0CA1">2018</mods:date>
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<mods:detail id="3C15878DCB7BA27E9CE291E61A28F19E" type="volume">
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<mods:number id="45A2CA32FC453EC6C2DBF020E6961573">114</mods:number>
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<mods:extent id="89A890F47A7EAB10E1A8688467E569C6" unit="page">
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<mods:start id="9249A7F76BF74716CF85C00C81D96140">123</mods:start>
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<mods:end id="0BD9B44B3FCE664BF5E1A6BFF7D80CA3">206</mods:end>
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<mods:location id="369A3ED5B12377F8ECEBF450EB9F9934">
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<mods:url id="4352AEC76B3447106881C580E89D1144">http://dx.doi.org/10.3897/phytokeys.114.28799</mods:url>
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</mods:location>
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<mods:classification id="3277508874C04B8C80C62546E583E3CA">journal article</mods:classification>
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<mods:identifier id="3D106464A9C5AF5F84316F449AA8A42C" type="DOI">http://dx.doi.org/10.3897/phytokeys.114.28799</mods:identifier>
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<mods:identifier id="E57B967D93F6195FCBDF2307E955A7C0" type="Pensoft-Pub">1314-2003-114-123</mods:identifier>
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<mods:identifier id="8DBD2FC1E38388A77E65720FD521A2A9" type="Pensoft-UUID">CB70FFE82A46DE6DFFEBFFF8F43A6230</mods:identifier>
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<mods:identifier id="D811C5E6A30A8B49C8826CB3BDE02A07" type="Zenodo-Dep">2533527</mods:identifier>
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</mods:mods>
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<treatment id="EFFB8DA8E7EFA589053DDD6506FF24F1" ID-GBIF-Taxon="154472447" LSID="urn:lsid:plazi:treatment:EFFB8DA8E7EFA589053DDD6506FF24F1" httpUri="http://treatment.plazi.org/id/EFFB8DA8E7EFA589053DDD6506FF24F1" lastPageId="56" lastPageNumber="179" pageId="54" pageNumber="177" scope_family="Poaceae">
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<subSubSection id="8F2E17DA6AB8E9D0F4DFE95EEE25B010" pageId="54" pageNumber="177" type="nomenclature">
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<paragraph id="D4F8C9515B41B16310C16617348CAA71" pageId="54" pageNumber="177">
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18.
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<taxonomicName id="FC3FDA5D20FBA81E25FCBA70F25963D9" ID-CoL="8WYCP" LSID="B28B33A1-F1E9-5267-B3BE-0FD9B02A72BF" authority="P. M. Peterson" authorityName="P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia romaschenkoi" order="Poales" pageId="54" pageNumber="177" phylum="Tracheophyta" rank="species" species="romaschenkoi" status="sp. nov.">Muhlenbergia romaschenkoi P.M. Peterson</taxonomicName>
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<taxonomicNameLabel id="4110B3612917FE1CCB37E49C9CA8AF59" pageId="54" pageNumber="177">sp. nov.</taxonomicNameLabel>
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<figureCitation id="A0F70C24126673328256CAC0A28C0B32" captionStart="Figure 12" captionStartId="F13" captionText="Figure 12. Muhlenbergia romaschenkoi P. M. Peterson A habit B ligule C spikelet D lower glume E upper glume F lemma, lateral view G lemma, dorsal view H palea, dorsal view I palea, lateral view J palea, ventral view K lodicules, stamens, and pistil L caryopsis. Drawings from the holotype collection P. M. Peterson, R. J. Soreng & K. Romaschenko 20331." figureDoi="10.3897/phytokeys.114.28799.figure12" httpUri="https://binary.pensoft.net/fig/254053" pageId="54" pageNumber="177">Fig. 12A-L</figureCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="5469991E11F631DEC67ED994D10C812F" pageId="55" pageNumber="178" type="materials_examined">
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<paragraph id="EBC189E057AAED366F86DDBA8C8847C5" pageId="55" pageNumber="178">
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<pageBreakToken id="24CD378FC6765410A5D4B102CDC4043C" pageId="55" pageNumber="178" start="start">Type</pageBreakToken>
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.
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</paragraph>
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<paragraph id="20AC4FBF93BBC84CCE2FD481591690ED" pageId="55" pageNumber="178">
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Peru. Depto.
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<normalizedToken id="66B2287A662D1B245167578C0F0C4D4F" originalValue="Huánuco">Huanuco</normalizedToken>
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, Pachitea, 21 air km NE of
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<normalizedToken id="F1DDA8692708FF1934AEB8659EA48AF3" originalValue="Huánuco">Huanuco</normalizedToken>
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, 7 km E of Puerto Rancho jtn on road to Panao, along
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<normalizedToken id="3A4A856EE340FF2E2A70643C9D334B25" originalValue="Río">Rio</normalizedToken>
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Huallaga,
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<geoCoordinate id="3B374C1E62D0552195BA0CBE5FFF38DB" degrees="9" direction="south" minutes="49" orientation="latitude" precision="1" seconds="45.9" value="-9.829416">9°49'45.9"S</geoCoordinate>
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,
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<geoCoordinate id="CA622C3E28EA519CD34C8FC1686B15AB" degrees="76" direction="west" minutes="3" orientation="longitude" precision="1" seconds="12.9" value="-76.05359">76°3'12.9"W</geoCoordinate>
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, 2094 m, 6 Mar 2007,
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<emphasis id="6901127289C7C3F40FEA1497003641A1" italics="true" pageId="55" pageNumber="178">P.M. Peterson 20331, R.J. Soreng & K. Romaschenko</emphasis>
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(holotype: US-3730646!; isotypes: MO!, USM!).
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</paragraph>
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</subSubSection>
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<subSubSection id="7E7284E7007A90D28EBBEF2E7B6CDFA9" lastPageId="56" lastPageNumber="179" pageId="55" pageNumber="178" type="description">
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<paragraph id="021715F358A2B5E45657B0492C959034" pageId="55" pageNumber="178">Description.</paragraph>
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<paragraph id="9F41F2EB2D8DD47057217BEA9B6384F3" lastPageId="56" lastPageNumber="179" pageId="55" pageNumber="178">
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Loosely caespitose to densely tufted,
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<emphasis id="70022FDDA89A73B30C32B9A6F048CDFC" italics="true" pageId="55" pageNumber="178">annuals</emphasis>
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to short-lived
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<emphasis id="9234F858AE898D3E12E724F7F448AC13" italics="true" pageId="55" pageNumber="178">perennials</emphasis>
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with delicate bases, flowering the first year.
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<emphasis id="1A31BA9F3CD0EAD556D039E01BC94C34" italics="true" pageId="55" pageNumber="178">Culms</emphasis>
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20-40 cm tall, erect or decumbent at the base, branching at the lower and middle nodes, scaberulous below the terete nodes;
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<emphasis id="3A220A1797851DEA352C7F71A43B9530" italics="true" pageId="55" pageNumber="178">internodes</emphasis>
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generally 2.0-9.5 cm long.
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<emphasis id="AA2D68C7EA7C574CABE39C75401B10CC" italics="true" pageId="55" pageNumber="178">Leaf sheaths</emphasis>
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4.0-7.5 cm long, glabrous or scaberulous, commonly shorter than the internodes;
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<emphasis id="944467A7265225135D6AFDE7A6F61AA4" italics="true" pageId="55" pageNumber="178">ligules</emphasis>
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1.2
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<normalizedToken id="5094BB91866F14BD5B4AB028ABC3DF43" originalValue="–3.0(–">-3.0(-</normalizedToken>
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5.0) mm long, hyaline, apex acute to obtuse, often lacerate with age;
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<emphasis id="5F609819FD2082BDAEB0B7AD47CAF377" italics="true" pageId="55" pageNumber="178">blades</emphasis>
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3-12 cm long, 1.2-2.5 mm wide, flat or loosely involute, scaberulous to glabrous below and scabrous above.
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<emphasis id="3FF56E1CCF5835B93EF4DEDF2571EBB0" italics="true" pageId="55" pageNumber="178">Panicles</emphasis>
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7-15 cm long, 0.6-2 cm wide, narrow and contracted to loosely spreading, interrupted below, terminal and axillary, 15-23 nodes per panicle;
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<emphasis id="A99ECC20199ECBCB53B58A0C6915A725" italics="true" pageId="55" pageNumber="178">primary branches</emphasis>
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3.5-7.5 cm long, usually one per node, when immature the branches mostly appressed and ascending, when mature the branches sometimes widely spreading up to 50° from the rachises;
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<emphasis id="7C3A728C7CBE13E23505F93C02D7F36B" italics="true" pageId="55" pageNumber="178">pedicels</emphasis>
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1-3 mm long, usually shorter than the spikelets, antrorsely scabrous, stout, appressed.
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<emphasis id="0D0DF656C9009566E10024A0C515C939" italics="true" pageId="55" pageNumber="178">Spikelets</emphasis>
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2-4 mm long, erect, stramineous to purplish;
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<emphasis id="FA9833448E745D07EF291639C314D8AD" italics="true" pageId="55" pageNumber="178">glumes</emphasis>
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1-2.8 mm long, unequal, 1-nerved, scabrous along the nerves, apex acute to acuminate, often mucronate or erose,
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<pageBreakToken id="8A30580AA35864F84E98D842B56E0100" pageId="56" pageNumber="179" start="start">the</pageBreakToken>
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mucro up to 0.5 mm long;
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<emphasis id="5C9B48D83F8766784E8EF47266E39F39" italics="true" pageId="56" pageNumber="179">lower glumes</emphasis>
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1-2.0 mm long;
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<emphasis id="051F685D6899CCB48241881EBAE549A3" italics="true" pageId="56" pageNumber="179">upper glumes</emphasis>
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1.5-2.8 mm long, more than
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<normalizedToken id="313CAC44BD0A94CE0C294B544C107AE8" originalValue="½">1/2</normalizedToken>
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as long as the lemma;
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<emphasis id="4CEF340349C0B6AF75336100A65C1F15" italics="true" pageId="56" pageNumber="179">lemmas</emphasis>
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2.0
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<normalizedToken id="6E8ABEF5EFB3CBBB098171B0D8654C5C" originalValue="–3.5(–">-3.5(-</normalizedToken>
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4.0) mm long, lanceolate, widest near base, awned, scaberulous above and villous on proximal 1/2 along the margins and the midvein, the hairs 0.5-1.5 mm long, callus short-pubescent, the awn 10-30 mm long, scabrous, flexuous;
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<emphasis id="BECAB31B41B31E19B8BBEE9299C7ABD5" italics="true" pageId="56" pageNumber="179">paleas</emphasis>
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1.8
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<normalizedToken id="597FA68A81CC7ACCA30B44205203EADF" originalValue="–3.4(–">-3.4(-</normalizedToken>
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3.8) mm long, lanceolate, sparsely appressed pubescent between the nerves on the proximal
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<normalizedToken id="5EBE94247189B73DAB72BC037937CD43" originalValue="½">1/2</normalizedToken>
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;
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<emphasis id="652CE55AE079BE9B480713AA330A471B" italics="true" pageId="56" pageNumber="179">anthers</emphasis>
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0.3-0.4 mm long, purplish, yellow with age.
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<emphasis id="8384508E4B6BE34580F38BF3BBED1684" italics="true" pageId="56" pageNumber="179">Caryopses</emphasis>
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1.0-2.2 mm long, narrowly fusiform, terete, brownish.
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</paragraph>
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<caption id="1C3190F8B60AA58B205FA7F953C98DA9" ID-Zenodo-Dep="2533665" doi="10.3897/phytokeys.114.28799.figure12" httpUri="https://binary.pensoft.net/fig/254053" pageId="56" pageNumber="179" start="Figure 12" startId="F13">
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<paragraph id="1B99893F0ED77A3BAF8236032C2871DD" pageId="56" pageNumber="179">
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<emphasis id="E17037352CC9CCF3CD49E69C229DC2E7" bold="true" pageId="56" pageNumber="179">Figure 12.</emphasis>
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<taxonomicName id="459FA4B7E46DA0CEE01713DF9B9B2F5D" authorityName="P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="romaschenkoi">
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<emphasis id="AAF11B40D7D7B19D7C77868D3D066D23" italics="true" pageId="56" pageNumber="179">Muhlenbergia romaschenkoi</emphasis>
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</taxonomicName>
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P.M. Peterson
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<emphasis id="9AA6CE55EBB5184B34F32A324CE74901" bold="true" pageId="56" pageNumber="179">A</emphasis>
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||
habit
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<emphasis id="68B1CFFC5A165062E5DC220C3F7ED3A6" bold="true" pageId="56" pageNumber="179">B</emphasis>
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ligule
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||
<emphasis id="D140ABAC2DB0BC6FDDCCBAE67DFC40AB" bold="true" pageId="56" pageNumber="179">C</emphasis>
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spikelet
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||
<emphasis id="43E8E84E884F1FC49A608177A7F171C6" bold="true" pageId="56" pageNumber="179">D</emphasis>
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lower glume
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||
<emphasis id="8D2F6DD80DE8471A943459420CD2B3A8" bold="true" pageId="56" pageNumber="179">E</emphasis>
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||
upper glume
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<emphasis id="4D47E41DFAF06A48CBDA557158836C62" bold="true" pageId="56" pageNumber="179">F</emphasis>
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lemma, lateral view
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||
<emphasis id="C32EE6A4DA7060B3C115AA184F9032F1" bold="true" pageId="56" pageNumber="179">G</emphasis>
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lemma, dorsal view
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||
<emphasis id="FC7145A81ADAAF2E66AC15A2794DD74D" bold="true" pageId="56" pageNumber="179">H</emphasis>
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||
palea, dorsal view
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||
<emphasis id="8023B597D0EBE134CF8E9F696A48C173" bold="true" pageId="56" pageNumber="179">I</emphasis>
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||
palea, lateral view
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||
<emphasis id="19BB5FA7D03C32A084096DA57DCD954E" bold="true" pageId="56" pageNumber="179">J</emphasis>
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||
palea, ventral view
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||
<emphasis id="7EDCBF65E14D4A58A860C23631553865" bold="true" pageId="56" pageNumber="179">K</emphasis>
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||
lodicules, stamens, and pistil
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||
<emphasis id="295D1A4A4511A9855FF1E302012F2DBC" bold="true" pageId="56" pageNumber="179">L</emphasis>
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||
caryopsis. Drawings from the holotype collection
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<emphasis id="E4EDA7BBE6667E5022BFCFDE99BBBB5A" italics="true" pageId="56" pageNumber="179">P.M. Peterson, R.J. Soreng & K. Romaschenko 20331</emphasis>
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.
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</paragraph>
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||
</caption>
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||
</subSubSection>
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||
<subSubSection id="7443D085EFEF3610922A91D567121B1E" pageId="56" pageNumber="179" type="distribution">
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||
<paragraph id="B8D33CF2C4C7B81C553FF18C7CBF2734" pageId="56" pageNumber="179">Distribution.</paragraph>
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<paragraph id="6F3DC561CAC2E9748375FFC065628918" pageId="56" pageNumber="179">
|
||
Endemic to Peru and known only from
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<normalizedToken id="5135C6FF8CB7C3CFE2EBDEB823E5F0E0" originalValue="Huánuco">Huanuco</normalizedToken>
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||
.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="98CD537B828FA8BB818530238A01FD0A" pageId="56" pageNumber="179" type="ecology">
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<paragraph id="29ADB6C396C415BEADB8797A164CE9E2" pageId="56" pageNumber="179">Ecology.</paragraph>
|
||
<paragraph id="B560F0A568D4D2BE38267B826403FFD8" pageId="56" pageNumber="179">
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||
<taxonomicName id="6208D572FE1075F5C84D244834DE5A01" authorityName="P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="romaschenkoi">
|
||
<emphasis id="7BA0EF2C0906256D35B4696A336B8FC0" italics="true" pageId="56" pageNumber="179">Muhlenbergia romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
grows on rocky slopes and limestone rock outcrops in grasslands with
|
||
<taxonomicName id="4A841F55A7DB380602FC5EF3D0139242" class="Liliopsida" family="Poaceae" genus="Aristida" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Aristida adscensionis" order="Poales" pageId="56" pageNumber="179" phylum="Magnoliophyta" rank="species" species="adscensionis">
|
||
<emphasis id="C3971C4604297B8E4C86889C5453EFA2" italics="true" pageId="56" pageNumber="179">Aristida adscensionis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="69ED772E00758E67097860FA3917234D" class="Dicotyledoneae" family="Asteraceae" genus="Bidens" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Bidens" order="Campanulales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="genus">
|
||
<emphasis id="6937880EC767EC8D653BC24A3CC00919" italics="true" pageId="56" pageNumber="179">Bidens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="40CBB02A303C67819CD0078D02EC335A" class="Dicotyledoneae" family="Cactaceae" genus="Bothriochloa" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Bothriochloa" order="Cactales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="genus">
|
||
<emphasis id="164446ACA52F27B494161E6706863AB5" italics="true" pageId="56" pageNumber="179">Bothriochloa</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="3A81CA2D7633D0349E9099E8B7D66931" class="Equisetopsida" family="Poaceae" genus="Eragrostis" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Eragrostis nigricans" order="Poales" pageId="56" pageNumber="179" phylum="Magnoliophyta" rank="species" species="nigricans">
|
||
<emphasis id="279F385F73EBE8CFEC10BC33EAE77FA4" italics="true" pageId="56" pageNumber="179">Eragrostis nigricans</emphasis>
|
||
</taxonomicName>
|
||
(Kunth) Steud.,
|
||
<taxonomicName id="53A3DCADAF0BA422518C5F5FD25B56C8" class="Dicotyledoneae" family="Asteraceae" genus="Eupatorium" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Eupatorium" order="Campanulales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="genus">
|
||
<emphasis id="F733057BCC74F3866347E9A5F6ADD992" italics="true" pageId="56" pageNumber="179">Eupatorium</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="EAFD9C0163954B4B4EA167F589D433EA" class="Insecta" family="Crabronidae" genus="Melinus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Melinus minutiflora" order="Hymenoptera" pageId="56" pageNumber="179" phylum="Arthropoda" rank="species" species="minutiflora">
|
||
<emphasis id="CAE67CC98D1F475A620BD8C94D9E5296" italics="true" pageId="56" pageNumber="179">Melinus minutiflora</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="43842ED3F33F7FB17D4FC7FCFE963547" authorityName="Desv" authorityYear="1831" class="Liliopsida" family="Poaceae" genus="Microchloa" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Microchloa kunthii" order="Poales" pageId="56" pageNumber="179" phylum="Magnoliophyta" rank="species" species="kunthii">
|
||
<emphasis id="ACA8D594A1172C311BD20679EF4AAF44" italics="true" pageId="56" pageNumber="179">Microchloa kunthii</emphasis>
|
||
</taxonomicName>
|
||
Desv.,
|
||
<taxonomicName id="B65E20941696FCF6010713899F54C109" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia ciliata" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="ciliata">
|
||
<emphasis id="2C858EA91D5FF935F27524E777003A3F" italics="true" pageId="56" pageNumber="179">Muhlenbergia ciliata</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="77B498E2BBBAFF9D84661D1D96D870F5" italics="true" pageId="56" pageNumber="179">
|
||
<taxonomicName id="9792E39DF5D4E13972860187AEC82D88" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. rigida" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="rigida">M. rigida</taxonomicName>
|
||
and
|
||
<taxonomicName id="2D64A6FFFF84E65B17449D2A5D3E8F8E" class="Liliopsida" family="Poaceae" genus="Nassella" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Nassella" order="Poales" pageId="56" pageNumber="179" phylum="Magnoliophyta" rank="genus">Nassella</taxonomicName>
|
||
</emphasis>
|
||
; 1800-2500 m.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="7E456A56CB6EB1DFB206EFC920F0A48E" pageId="56" pageNumber="179" type="etymology">
|
||
<paragraph id="EB514532A3A766AD983561823D5A0CD4" pageId="56" pageNumber="179">Etymology.</paragraph>
|
||
<paragraph id="D8AD741951F6504F16334099B28A5D96" pageId="56" pageNumber="179">We honour Dr. Konstantin Romaschenko (born 1969) who accompanied PMP and Robert J. Soreng on the collecting trip in which material of the species was gathered.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="8A0DA1DFEF3A883F322B28826BB3755E" pageId="56" pageNumber="179" type="comments">
|
||
<paragraph id="15B92C95CEC8A4B003AE35740341400E" pageId="56" pageNumber="179">Comments.</paragraph>
|
||
<paragraph id="27034DF20513BFF7E568B628236F4340" pageId="56" pageNumber="179">
|
||
<taxonomicName id="7E8667AD35756F29CB370C107C754C66" authorityName="P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="romaschenkoi">
|
||
<emphasis id="9B0D5A130204DD99D2A73F9680145BDA" italics="true" pageId="56" pageNumber="179">Muhlenbergia romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
can be separated from
|
||
<taxonomicName id="8CC156159F151116F1C260FBBA5DF2FD" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. microsperma" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="microsperma">
|
||
<emphasis id="97F401D992CF3C3B2200B9440392DA67" italics="true" pageId="56" pageNumber="179">M. microsperma</emphasis>
|
||
</taxonomicName>
|
||
in having longer acute to acuminate glumes (1-2.8 mm long) and by lacking cleistogamous panicles present in the axils of the lower sheaths.
|
||
<taxonomicName id="3BEFB2F6B441DFFFFE57D310F70E3592" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia tenuifolia" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="tenuifolia">
|
||
<emphasis id="0C9A3CAA2B9CDEE8476A93E0896418F1" italics="true" pageId="56" pageNumber="179">Muhlenbergia tenuifolia</emphasis>
|
||
</taxonomicName>
|
||
(Kunth) Kunth, a species ranging from southern Arizona, New Mexico and Texas, U.S.A., throughout
|
||
<normalizedToken id="432D15CC75EF5EBD421B2E75A6A338B2" originalValue="México">Mexico</normalizedToken>
|
||
and then again in Venezuela, Bolivia and Argentina, is morphologically similar to
|
||
<taxonomicName id="92A7E9F1CA38D60D53718385FF2F6B30" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="romaschenkoi">
|
||
<emphasis id="3E772440066CB469DD551A0613994D75" italics="true" pageId="56" pageNumber="179">M. romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
but differs in having yellowish anthers 0.9-1.5 mm long (
|
||
<bibRefCitation id="8EDA56754F2D2F6574B08F717B658494" DOI="https://doi.org/10.2307/25027794" author="Peterson, PM" journalOrPublisher="Systematic Botany Monographs" pageId="58" pageNumber="181" pagination="1 - 109" refId="B25" refString="Peterson, PM, Annable, CR, 1991. Systematics of the annual species of Muhlenbergia (Poaceae - Eragrostideae). Systematic Botany Monographs 31: 1 - 109, DOI: https://doi.org/10.2307/25027794" title="Systematics of the annual species of Muhlenbergia (Poaceae - Eragrostideae)." url="https://doi.org/10.2307/25027794" volume="31" year="1991">Peterson and Annable 1991</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="25B3CA8853E52B6DE23FFB2767C5BE77" author="Peterson, PM" journalOrPublisher="American Journal of Botany" pageId="58" pageNumber="181" refId="B24" refString="Peterson, PM, 2003. 17.33 Muhlenbergia Schreb. In: Barkworth ME, Capels KM, Long S, Piep MB (Eds) Magnoliophyta: Commelinidae (in part): Poaceae, part 2 Flora of North America North of Mexico, Vol 25. Oxford University Press, New York, 145-201." title="17.33 Muhlenbergia Schreb. In: Barkworth ME, Capels KM, Long S, Piep MB (Eds) Magnoliophyta: Commelinidae (in part): Poaceae, part 2 Flora of North America North of Mexico, Vol 25. Oxford University Press, New York, 145 - 201." year="2003">Peterson 2003</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="44C5920DDAFA656612E7E3C5D854B2C6" author="Peterson, P" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="58" pageNumber="181" pagination="933 - 1000" refId="B36" refString="Peterson, P, Valdes-Reyna, J, Herrera Arrieta, Y, 2007b. Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico. Journal of the Botanical Research Institute of Texas 1: 933 - 1000" title="Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico." volume="1" year="2007 b">Peterson et al. 2007b</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EB7BF49E0B182407EE41039CF0BF89DA" author="Peterson, PM" journalOrPublisher="Caldasia" pageId="58" pageNumber="181" pagination="21 - 54" refId="B28" refString="Peterson, PM, Giraldo-Canas, D, 2011. Las especies de Muhlenbergia (Poaceae: Chloridoideae) de Argentina. Caldasia 33: 21 - 54" title="Las especies de Muhlenbergia (Poaceae: Chloridoideae) de Argentina." volume="33" year="2011">
|
||
Peterson and
|
||
<normalizedToken id="B0C0955D14C56DF40A208F70B03DA526" originalValue="Giraldo-Cañas">Giraldo-Canas</normalizedToken>
|
||
2011
|
||
</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="7B783108A88F964D129EC88624096D06" author="Peterson, PM" journalOrPublisher="Caldasia" pageId="58" pageNumber="181" refId="B29" refString="Peterson, PM, Giraldo-Canas, D, 2012. Muhlenbergia Schreb. In: Zuloaga FO, Rugolo ZE, Anton AMR (Eds) Flora Argentina, Flora Vascular de la Republica Argentina, Vol. 3, Tomo 1, Monocotyledoneae, Poaceae: Aristidoideae a Pharoideae. IBODA-IMBIV, CONICET, Buenos Aires, Argentina, 140-154." title="Muhlenbergia Schreb. In: Zuloaga FO, Rugolo ZE, Anton AMR (Eds) Flora Argentina, Flora Vascular de la Republica Argentina, Vol. 3, Tomo 1, Monocotyledoneae, Poaceae: Aristidoideae a Pharoideae. IBODA-IMBIV, CONICET, Buenos Aires, Argentina, 140 - 154." year="2012">2012</bibRefCitation>
|
||
). Initially we thought the new species was
|
||
<taxonomicName id="28F309DB4064598E89AEC6D25E90BE9E" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. tenuiofolia" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="tenuiofolia">
|
||
<emphasis id="9960D47272723EAAC7DD69C829BF72AB" italics="true" pageId="56" pageNumber="179">M. tenuiofolia</emphasis>
|
||
</taxonomicName>
|
||
with immature anthers 0.3-0.4 mm long. However, our collection of
|
||
<taxonomicName id="7D6846E9B9F98EE294F1E7739F950155" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="romaschenkoi">
|
||
<emphasis id="C79CE9731B8A60AA565E2F8A8AE276DB" italics="true" pageId="56" pageNumber="179">M. romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
includes well-developed florets with mature caryopses and anthers. Therefore, the observed small anthers in
|
||
<taxonomicName id="0E5F76D7B9BEB39360F95E4DDACFC76D" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="romaschenkoi">
|
||
<emphasis id="BF129C8285D64FBD8B4A4313ABA8455E" italics="true" pageId="56" pageNumber="179">M. romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
are not a result of immaturity but represent a genetic difference, from
|
||
<taxonomicName id="69362EC3EF651A66B44495C4286F6EA3" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. tenuifolia" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="tenuifolia">
|
||
<emphasis id="AE5B7CE2ABF2DF2EEEDAFE6DBB4519E1" italics="true" pageId="56" pageNumber="179">M. tenuifolia</emphasis>
|
||
</taxonomicName>
|
||
, which is not known in Peru.
|
||
</paragraph>
|
||
<paragraph id="38598FB83BED989FEE369A56BDA180A2" pageId="56" pageNumber="179">
|
||
<taxonomicName id="1C7328937EB7DBB6E09980ECE4DD0C86" authorityName="P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="romaschenkoi">
|
||
<emphasis id="63F274FE535ECD2FFDACE881E0EB9E7D" italics="true" pageId="56" pageNumber="179">Muhlenbergia romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
, a member of
|
||
<taxonomicName id="63058CF4E7A854A7145540B3118AF69C" authority="subg. Muhlenbergia" class="Magnoliopsida" family="Poaceae" genus="M." higherTaxonomySource="GBIF" infraspecific-rank="subg." kingdom="Plantae" lsidName="M." order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="genus">M. subg. Muhlenbergia</taxonomicName>
|
||
, is sister to
|
||
<taxonomicName id="1ABFE443DC6335FE1642A501CE056104" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. spiciformis" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="spiciformis">
|
||
<emphasis id="E09431C50A13E2D4BF1F094DAABF2011" italics="true" pageId="56" pageNumber="179">M. spiciformis</emphasis>
|
||
</taxonomicName>
|
||
Trin. (plastid marker), a species known from south-western United States and throughout Mexico whereas ITS marker aligns it within the
|
||
<taxonomicName id="305E540DCE8E103F4FEC44C085E6DE23" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. tenuifolia" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="tenuifolia">
|
||
<emphasis id="FB0652E556CF8C73DB01AFDECACEF5E5" italics="true" pageId="56" pageNumber="179">M. tenuifolia</emphasis>
|
||
</taxonomicName>
|
||
clade (Fig.
|
||
<figureCitation id="E2A13AB8336D92C7F3E2CE78D0196F20" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. A, B Maximum-likelihood tree inferred from combined plastid (ndhA intron, rps 16 - trnK, rps 16 intron, rps 3, and rpl 32 - trnL) and ITS sequences. Thick branches indicate posterior probabilities of 0.95 - 1; species in red occur in South America; scale bar = 2 %." figureDoi="10.3897/phytokeys.114.28799.figure1" httpUri="https://binary.pensoft.net/fig/254042" pageId="56" pageNumber="179">1B</figureCitation>
|
||
).
|
||
<taxonomicName id="7F8C63BDB6F9BF55E877DDC68D4953B2" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia spiciformis" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="species" species="spiciformis">
|
||
<emphasis id="F3894C06AE8C3122501FA14BE71D0731" italics="true" pageId="56" pageNumber="179">Muhlenbergia spiciformis</emphasis>
|
||
</taxonomicName>
|
||
differs from the new species in having shorter glumes 0.3-1 mm long and larger anthers 0.9-1.6 mm long (
|
||
<bibRefCitation id="E8D5D593235CF3A55B3EB3D0B143586A" author="Peterson, PM" journalOrPublisher="American Journal of Botany" pageId="58" pageNumber="181" refId="B24" refString="Peterson, PM, 2003. 17.33 Muhlenbergia Schreb. In: Barkworth ME, Capels KM, Long S, Piep MB (Eds) Magnoliophyta: Commelinidae (in part): Poaceae, part 2 Flora of North America North of Mexico, Vol 25. Oxford University Press, New York, 145-201." title="17.33 Muhlenbergia Schreb. In: Barkworth ME, Capels KM, Long S, Piep MB (Eds) Magnoliophyta: Commelinidae (in part): Poaceae, part 2 Flora of North America North of Mexico, Vol 25. Oxford University Press, New York, 145 - 201." year="2003">Peterson 2003</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="AC2A4D65B6C5C7A002AC090AE5F99F77" author="Peterson, P" journalOrPublisher="Journal of the Botanical Research Institute of Texas" pageId="58" pageNumber="181" pagination="933 - 1000" refId="B36" refString="Peterson, P, Valdes-Reyna, J, Herrera Arrieta, Y, 2007b. Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico. Journal of the Botanical Research Institute of Texas 1: 933 - 1000" title="Muhlenbergiinae (Poaceae: Chloridoideae: Cynodonteae): from northeastern Mexico." volume="1" year="2007 b">Peterson et al. 2007b</bibRefCitation>
|
||
). These results suggest multiple origins for
|
||
<taxonomicName id="8B1F9C0A7A410F12CCF1F390BD0C8539" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. romaschenkoi" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="romaschenkoi">
|
||
<emphasis id="51D06C3024CF54BDD3B72384F8BC40FC" italics="true" pageId="56" pageNumber="179">M. romaschenkoi</emphasis>
|
||
</taxonomicName>
|
||
from North and South American progenitors. Similar to
|
||
<taxonomicName id="8BDA513E9E293EA6403B4107F48D8841" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. caxamarcenis" order="Poales" pageId="56" pageNumber="179" phylum="Angiospermae" rank="species" species="caxamarcenis">
|
||
<emphasis id="8430525DC7E717F59FB8B5F5A310F79E" italics="true" pageId="56" pageNumber="179">M. caxamarcenis</emphasis>
|
||
</taxonomicName>
|
||
, this scenario appears to be a common pattern of speciation for South American species of
|
||
<taxonomicName id="2B777E27C6D483A4024BD6763659643E" class="Liliopsida" family="Poaceae" genus="Muhlenbergia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Muhlenbergia" order="Poales" pageId="56" pageNumber="179" phylum="Tracheophyta" rank="genus">
|
||
<emphasis id="51BDE48BB058FA64E69D3EE8C20E7E97" italics="true" pageId="56" pageNumber="179">Muhlenbergia</emphasis>
|
||
</taxonomicName>
|
||
, needing further study.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="164831769C71C8CF9651735DF29B3AAE" pageId="56" pageNumber="179" type="specimen examined">
|
||
<paragraph id="3B57377E043C57BEA61F570484726BC7" pageId="56" pageNumber="179">Specimen examined.</paragraph>
|
||
<paragraph id="62ADE8B6E9E9A6EB349D85D5244428B5" pageId="56" pageNumber="179">
|
||
Peru.
|
||
<emphasis id="10F65833B063889977B3844850B1DC82" bold="true" pageId="56" pageNumber="179">
|
||
<normalizedToken id="A0C8981F379B08317A67CC20B72F0BA5" originalValue="Huánuco">Huanuco</normalizedToken>
|
||
</emphasis>
|
||
: between
|
||
<normalizedToken id="CA83BC5C39CBE8C6B4A339EB3F253FE6" originalValue="Huánuco">Huanuco</normalizedToken>
|
||
and Tingo
|
||
<normalizedToken id="EF911F4D5106BFB2BC7BB6423DCEBDA1" originalValue="María">Maria</normalizedToken>
|
||
, vereda Taruka, 17 km NE of
|
||
<normalizedToken id="66281CEF140662B02582F844F7F06F12" originalValue="Huánuco">Huanuco</normalizedToken>
|
||
in valley of
|
||
<normalizedToken id="DA1CD4B651569E7C7E8ED1D59D19663B" originalValue="Río">Rio</normalizedToken>
|
||
Huallaga, T. Croat 57781 (MO).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |