treatments-xml/data/C2/8E/65/C28E65F02A7FC99962DE47059612CCED.xml

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<mods:title id="DD1F4DFEFB94A0BD97709C5D0D781908">Poa laegaardiana, a new species from Ecuador (Poaceae, Pooideae, Poeae, Poinae)</mods:title>
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<mods:namePart id="778E85F2CCD046E08F4F53A4D15EA71A">Peterson, Paul M.</mods:namePart>
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<mods:namePart id="D4B537B3A248C3ED7114109DAD24FC62">Soreng, Robert J.</mods:namePart>
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<mods:date id="6E0BF47D29C53D960777E68B9FCB14EC">2018</mods:date>
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<mods:identifier id="BDAA650A242C8C1CC593DBD07DBAFAD7" type="DOI">http://dx.doi.org/10.3897/phytokeys.100.25387</mods:identifier>
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<treatment id="C28E65F02A7FC99962DE47059612CCED" ID-GBIF-Taxon="146016872" LSID="urn:lsid:plazi:treatment:C28E65F02A7FC99962DE47059612CCED" httpUri="http://treatment.plazi.org/id/C28E65F02A7FC99962DE47059612CCED" lastPageId="1" lastPageNumber="142" pageId="0" pageNumber="141" scope_family="Poaceae">
<subSubSection id="5B03D2408C9442B7183091DDD34C5364" pageId="0" pageNumber="141" type="nomenclature">
<paragraph id="24291F8D24A61CD45855E94AF8257638" pageId="0" pageNumber="141">
<taxonomicName id="08CC136902527CC61DE6EAAC4CEBCC62" ID-CoL="8X3KV" LSID="EEC399B5-12BF-513F-A8BD-186248E1B8B5" authority="Soreng &amp; P. M. Peterson" authorityName="Soreng &amp; P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa laegaardiana" order="Poales" pageId="0" pageNumber="141" phylum="Tracheophyta" rank="species" species="laegaardiana" status="sp. nov.">Poa laegaardiana Soreng &amp; P.M. Peterson</taxonomicName>
<taxonomicNameLabel id="E56B826D2446FB1126BC8F75AD535EEC" pageId="0" pageNumber="141">sp. nov.</taxonomicNameLabel>
<figureCitation id="260B1B7F53477317219C35BCE70EC61B" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Poa laegaardiana: A Habit B Sheath, ligule and blade C Panicle branch D Spikelet E Glumes F Floret G Palea enclosing lodicules, ovary and stamen H Palea, ventral view I Lodicules, ovary and stamens J Caryopsis. Drawn from the holotype collection (Peterson 8997 &amp; Annable)." figureDoi="10.3897/phytokeys.100.25387.figure1" httpUri="https://binary.pensoft.net/fig/211569" pageId="0" pageNumber="141">
Fig. 1 
<normalizedToken id="683747FAF638CD188BF012718D55EE70" originalValue="A–J">A-J</normalizedToken>
</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="24F80D5E7F03670DD29979200F0F717E" pageId="0" pageNumber="141" type="materials_examined">
<paragraph id="FB0D1D7DD4EC6D2210DF8D0236B28ACE" pageId="0" pageNumber="141">Type.</paragraph>
<paragraph id="B60EED1983018DE667A3850B910B2C7B" pageId="0" pageNumber="141">
Ecuador. Province de Bolivar, 66.5 km SW of Ambato on hwy to Guaranda and 2.2 km along road to Facundo Vela, [est. 
<geoCoordinate id="6DD67692151C758185D8757A2451ED91" degrees="1.516022" direction="south" orientation="latitude" precision="1" value="-1.516022">1.516022 S</geoCoordinate>
, 
<geoCoordinate id="71B481EB8CB81BC0C5979A80A4FAF74E" degrees="79.007192" direction="west" orientation="longitude" precision="1" value="-79.007195">79.007192 W</geoCoordinate>
], 4300 m a.s.l., growing on sandy, volcanic soil in 
<taxonomicName id="2C37CD409309A60A31603D1D178BDC1A" class="Liliopsida" family="Poaceae" genus="Festuca" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Festuca" order="Poales" pageId="0" pageNumber="141" phylum="Magnoliophyta" rank="genus">
<emphasis id="8F5C1C8D8B4E8EE572AEDF0FF3A3093E" italics="true" pageId="0" pageNumber="141">Festuca</emphasis>
</taxonomicName>
- 
<taxonomicName id="C57A914A0797366F2F96CCA853993B82" class="Liliopsida" family="Poaceae" genus="Calamagrostis" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Calamagrostis" order="Poales" pageId="0" pageNumber="141" phylum="Magnoliophyta" rank="genus">
<emphasis id="2812C8D4CAF0901C03D06D042B932316" italics="true" pageId="0" pageNumber="141">Calamagrostis</emphasis>
</taxonomicName>
[s.l.] grassland, 3 May 1990, 
<emphasis id="BB1944D7C3D34A53223F7DFDD3FB9C06" italics="true" pageId="0" pageNumber="141">P.M. Peterson 8997 &amp; C.R. Annable</emphasis>
(holotype: US-3244349!; isotypes: AAU!, MO-3853338!, QCA!).
</paragraph>
</subSubSection>
<subSubSection id="35B000D8EABFED069D8A3D8B480D1901" pageId="0" pageNumber="141" type="diagnosis">
<paragraph id="013B99A49AE1165A3CE9537781F2348B" pageId="0" pageNumber="141">Diagnosis.</paragraph>
<paragraph id="869D09A87869CDC8F4644665D00F9560" pageId="0" pageNumber="141">
Differing from 
<taxonomicName id="393B62EBDB41BD2272695AC5D8814E48" authorityName="Refulio" authorityYear="2012" baseAuthorityName="Tovar" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa gigantea" order="Poales" pageId="0" pageNumber="141" phylum="Tracheophyta" rank="species" species="gigantea">
<emphasis id="246E47EDB18C97DAA5A88137490BFAB6" italics="true" pageId="0" pageNumber="141">Poa gigantea</emphasis>
</taxonomicName>
(Tovar) Refulio in having glumes 3/4 to 7/8 as long as the adjacent lemmas (versus glumes about as long or longer than the adjacent lemma), a callus with a sparse, short, dorsal tuft of woolly hairs (versus no web), culms 50-72 cm tall (versus 22-58 cm tall) and spikelets 4.1-4.8 mm long (versus 5-5.5 mm long).
</paragraph>
<caption id="6F3E8F31FCAAFD5FF414B667C6F3FD17" ID-Zenodo-Dep="1300156" doi="10.3897/phytokeys.100.25387.figure1" httpUri="https://binary.pensoft.net/fig/211569" pageId="0" pageNumber="141" start="Figure 1" startId="F1">
<paragraph id="1446DCDFBE52675BB2E3A5FEFA16A7D4" pageId="0" pageNumber="141">
<emphasis id="097E8E365A71D21E173E30FB23CD6E5C" bold="true" pageId="0" pageNumber="141">Figure 1.</emphasis>
<taxonomicName id="C765456FE498D806B810384F9E43EE36" authorityName="Soreng &amp; P. M. Peterson" authorityYear="2018" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa laegaardiana" order="Poales" pageId="0" pageNumber="141" phylum="Tracheophyta" rank="species" species="laegaardiana">
<emphasis id="5DBFD2AA87FD88A1D0BA008386CB5C20" italics="true" pageId="0" pageNumber="141">Poa laegaardiana</emphasis>
</taxonomicName>
: 
<emphasis id="75480850ED9AF56B82FF96B1B2C598E1" bold="true" pageId="0" pageNumber="141">A</emphasis>
Habit 
<emphasis id="ABEF6D9F69581625ECD4A3961D7D3B79" bold="true" pageId="0" pageNumber="141">B</emphasis>
Sheath, ligule and blade 
<emphasis id="5AF1E29182441E730198EF249E72CB7D" bold="true" pageId="0" pageNumber="141">C</emphasis>
Panicle branch 
<emphasis id="0CD108990459F4C0A932547F4FF76E04" bold="true" pageId="0" pageNumber="141">D</emphasis>
Spikelet 
<emphasis id="F148BFF89E9A48234EA4F0113B88E880" bold="true" pageId="0" pageNumber="141">E</emphasis>
Glumes 
<emphasis id="96921926160B635ABA5751C5C2CFF930" bold="true" pageId="0" pageNumber="141">F</emphasis>
Floret 
<emphasis id="5F1F302AD51AE3EFFCBE102C903996D7" bold="true" pageId="0" pageNumber="141">G</emphasis>
Palea enclosing lodicules, ovary and stamen 
<emphasis id="02382B2B1EE95F78DE01F18739A99630" bold="true" pageId="0" pageNumber="141">H</emphasis>
Palea, ventral view 
<emphasis id="F448A6E505F69416798EC4EFDBF7BAF2" bold="true" pageId="0" pageNumber="141">I</emphasis>
Lodicules, ovary and stamens 
<emphasis id="A9DBD4C0E6057CA0E6B053145A246970" bold="true" pageId="0" pageNumber="141">J</emphasis>
Caryopsis. Drawn from the holotype collection (
<emphasis id="46876FC58951842A118C835497770519" italics="true" pageId="0" pageNumber="141">Peterson 8997 &amp; Annable</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="74E14CF175FE1D49CDF1C0043833D15B" lastPageId="1" lastPageNumber="142" pageId="0" pageNumber="141" type="description">
<paragraph id="2ED723E30E8E996CF62BDCF88F7D7694" pageId="0" pageNumber="141">Description.</paragraph>
<paragraph id="B082E5FD3E076295161462949710F8C3" lastPageId="1" lastPageNumber="142" pageId="0" pageNumber="141">
Gynomonoecious. 
<emphasis id="1B268EDECE5DEA3E379DCE5CA149A256" bold="true" pageId="0" pageNumber="141">Perennials</emphasis>
, densely tufted, without lateral tending shoots or with infrequent short lateral tending shoots, greyish-green, with anthocyanic tinges; tillers extravaginal, erect; 
<emphasis id="53252800A8CBE68C16BF19832457E822" bold="true" pageId="0" pageNumber="141">culms</emphasis>
50-72 cm tall, erect, culm nodes and internodes, terete, smooth, glabrous, 0 nodes exposed, highest node in lower 1/10 of culm. 
<emphasis id="5C1EEECDDA43029322CBF419685E6F19" bold="true" pageId="0" pageNumber="141">Leaves</emphasis>
concentrated at base; 
<emphasis id="4F54F7E85A7114512E935F4446408F22" bold="true" pageId="0" pageNumber="141">sheaths</emphasis>
14-30 cm long, laterally compressed, slightly keeled, smooth, glabrous, proximal sheaths chartaceous, strongly overlapping at base, butt sheaths papery, smooth, glabrous and inconspicuously shredding with age; 
<emphasis id="6FB53E92BA790E523516DAAC5B4EDE58" bold="true" pageId="0" pageNumber="141">uppermost culm sheath</emphasis>
to 30 cm long, margins fused ca. 10% their length, ca. 3 
<normalizedToken id="EA132227707673A714D9835B6551843F" originalValue="–4×">-4x</normalizedToken>
longer than their blade; 
<emphasis id="241B72A444379A5249B45767A6C860CC" bold="true" pageId="0" pageNumber="141">throats and collars</emphasis>
, smooth, glabrous; 
<emphasis id="E9C7D5189B3D5AA83653CF346BEE7EC2" bold="true" pageId="0" pageNumber="141">ligules</emphasis>
to 3.5-6.6 mm long, of sterile shoots to 3.5 mm long, membranous, abaxially scaberulous, margins decurrent, apicies acute, apex of distal-most sometimes fimbriate; 
<emphasis id="AD28C5FF126221C3D3B83690A6AF5D89" bold="true" pageId="0" pageNumber="141">blades</emphasis>
to 22 cm long, 1.5--3 mm wide (expanded), uppermost to 8 cm long, firm, stiff, erect, tightly folded to involute, keeled, abaxially smooth or obscurely scaberulous along the veins, adaxially densely scabrous, mostly along the veins on a nearly level surface (aside from the single channels flanking the central vein), apex narrowly prow tipped, acuminate, stiff; 
<emphasis id="F52A67F7B0F33286CA50154D6D15EE27" bold="true" pageId="0" pageNumber="141">sterile shoot blades</emphasis>
like those of the culm, crowded, to 22 cm long above the initial cataphylls if any. 
<emphasis id="D38F668A72D8874E14230EB3EBE8646E" bold="true" pageId="0" pageNumber="141">Panicles</emphasis>
7.6-11.5 cm long, 0.6-1.2 cm wide, contracted, spiciform, erect, narrow, interrupted below with areas along the rachis with no branches, with 50-60 spikelets; 
<emphasis id="9B167DFAA74430E14AD1075C493BD03D" bold="true" pageId="0" pageNumber="141">proximal internodes</emphasis>
2.5-3.5 cm long, smooth, axis with mostly 2 branches at lower nodes; 
<emphasis id="F26EDC6D71BB19A886AE64469BD241FA" bold="true" pageId="0" pageNumber="141">branches</emphasis>
2.5-3.5 cm long, with up to 12 spikelets crowded in the distal 2/3, appressed (ascending at anthesis), terete to slightly angled, short scabrous mainly along the angles; 
<emphasis id="F939D57D5983DCDE567113E252923A94" bold="true" pageId="0" pageNumber="141">lateral pedicels</emphasis>
mostly 0.5-1 mm long. 
<emphasis id="DAA7AA9183D4EC9D2101AF00DB752687" bold="true" pageId="0" pageNumber="141">Spikelets</emphasis>
4.1-4.8 mm long, 2 
<normalizedToken id="A31196069A0F552AEEF1D26343C2D598" originalValue="–2.5×">-2.5x</normalizedToken>
longer than wide, lanceolate, laterally compressed, not bulbiferous, violaceous in part at maturity, florets 2, the upper slightly reduced; 
<emphasis id="57615B9DAD54F4FA156104EF15A84AC2" bold="true" pageId="0" pageNumber="141">rachilla</emphasis>
internode above the proximal 
<pageBreakToken id="CACF8BC668EC0428040DB33E68694D10" pageId="1" pageNumber="142" start="start">floret</pageBreakToken>
0.5 mm long, terete, scabrous to hirtellous; 
<emphasis id="4DDA913FA89B0E2475153EA3578FDBC2" bold="true" pageId="1" pageNumber="142">glumes</emphasis>
3/4 to 7/8 as long as the adjacent lemma, subequal, lanceolate to oblong, keels smooth or distally obscurely scaberulous, margins distally smooth, apex acute; 
<emphasis id="D0168C26C6C466686D06E0C010063DD2" bold="true" pageId="1" pageNumber="142">lower glumes</emphasis>
3-3.5 mm long, 1 (3)-veined; 
<emphasis id="6D607AE71BAA6BCCDBC8E1C028848F84" bold="true" pageId="1" pageNumber="142">upper glumes</emphasis>
3.4-3.8 mm long, 3-veined; 
<emphasis id="B5ABA016FEBB3C072E48A48217D5FE4F" bold="true" pageId="1" pageNumber="142">calluses</emphasis>
webbed, with a sparse, short, dorsal tuft of woolly hairs to about 1 mm long; 
<emphasis id="19C6786578B735DE14EEFF57341EA1B3" bold="true" pageId="1" pageNumber="142">lemmas</emphasis>
3.5-4.2 mm long, 5-veined, lanceolate in side-view, violaceous in part, strongly laterally compressed, distinctly keeled, glabrous throughout, keel distally scaberulous or nearly smooth, sides smooth (appearing densely granular due to abundant short-cells), intermediate veins obscure to distinct, margins inrolled below at maturity, narrowly scareous above, edges smooth, apicies acute; 
<emphasis id="06D7E3DE3D4DB514CF90D97ACFBE7413" bold="true" pageId="1" pageNumber="142">paleas</emphasis>
3.3-3.7 mm long, a little shorter than the lemma, texture like the lemma, 2-keeled, the keels distally scaberulous, glabrous between the keels. 
<emphasis id="8830A155B19771BD778C4A88B7FF38B4" bold="true" pageId="1" pageNumber="142">Flowers</emphasis>
pistillate over perfect within the spikelets; 
<emphasis id="818D92E1764CC65238210666E76B1EEB" bold="true" pageId="1" pageNumber="142">lodicules</emphasis>
0.25 mm long, 2, lobed; 
<emphasis id="11FE837834B4632C8766F54FCA0C29CE" bold="true" pageId="1" pageNumber="142">stamens</emphasis>
3, 
<emphasis id="B5F84F117DAB61649C855506460242E1" bold="true" pageId="1" pageNumber="142">anthers</emphasis>
1.4-1.6 mm long, light yellow, vestigial in upper floret less than 0.1 mm long; 
<emphasis id="4D535FD762553A289221A56BD7206592" bold="true" pageId="1" pageNumber="142">ovary</emphasis>
glabrous; 
<emphasis id="403B6C5A0E40E304DDF8EFE57083809A" bold="true" pageId="1" pageNumber="142">caryopses</emphasis>
1.6-2 mm long, elliptical in side-view, brown, translucent, sulcus broad and shallow, hilum ca. 0.15 mm long, round, grain loosely adherent to the palea.
</paragraph>
</subSubSection>
<subSubSection id="B936068C5CDA70358F0DEFCD2AF2C236" pageId="1" pageNumber="142" type="distribution">
<paragraph id="3F6D6D777C584216D9AB7F38C04D65E0" pageId="1" pageNumber="142">Distribution.</paragraph>
<paragraph id="D9FDD21AC7D41CC8C0802A554E35BA46" pageId="1" pageNumber="142">The species is known only from the type collection in Provincia Bolivar, Ecuador.</paragraph>
</subSubSection>
<subSubSection id="82C3A59354BB9E14ECFCD48B57145514" pageId="1" pageNumber="142" type="conservation status">
<paragraph id="CA48D72503BA9F7175921A9C52324092" pageId="1" pageNumber="142">Conservation status.</paragraph>
<paragraph id="470A15588725BDAF2C4D605FF48B3813" pageId="1" pageNumber="142">The species is apparently rare. Google Earth view [26 Mar 2018] of the pass location where the new species was collected in 1990 indicates the area is now covered by small farms.</paragraph>
</subSubSection>
<subSubSection id="9B9DDAA20A7A606AFCCC168D9B4918A1" pageId="1" pageNumber="142" type="etymology">
<paragraph id="94BC2E8F0C13BA34FA9C418D88E11EF3" pageId="1" pageNumber="142">Etymology.</paragraph>
<paragraph id="2035447039EF7A9500FD8A40E5D9CBAA" pageId="1" pageNumber="142">The specific epithet honors Simon Laegaard (1933-), a renowned Danish Botanist, who has made extensive collections in Ecuador, Greenland and South America.</paragraph>
</subSubSection>
<subSubSection id="1DBD608762AE2AC0050161D8B62A86C7" pageId="1" pageNumber="142" type="discussion">
<paragraph id="4AA4ACC6CBA16E117B1D01AC344C5B6F" pageId="1" pageNumber="142">Discussion.</paragraph>
<paragraph id="C976E5FF7D0E9F53710D501742E464F0" pageId="1" pageNumber="142">
There are a number gynomonoecious species of 
<taxonomicName id="06750AA8558983C53D2EF357E613C609" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="genus">
<emphasis id="4DB07830475908F88631A86DFCE13B46" italics="true" pageId="1" pageNumber="142">Poa</emphasis>
</taxonomicName>
occurring in northern South America, Central America and central Mexico but all have loose, open panicles, except the new species and species of 
<taxonomicName id="09D0035AD3D161FB961DCC0A77A8DABD" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="section" section="Dissanthelium">Poa sect. Dissanthelium</taxonomicName>
(Trin.) Refulio (
<bibRefCitation id="6D99851796ADB64F3F37C22EDC688945" DOI="https://doi.org/10.1600/036364412X616701" author="Refulio-Rodriguez, NF" journalOrPublisher="Systematic Botany" pageId="2" pageNumber="143" pagination="122 - 133" refId="B8" refString="Refulio-Rodriguez, NF, Columbus, JT, Gillespie, LJ, Peterson, PM, Soreng, RJ, 2012. Molecular phylogeny of Dissanthelium (Poaceae: Pooideae) and its taxonomic implications. Systematic Botany 37 (1): 122 - 133, DOI: https://doi.org/10.1600/036364412X616701" title="Molecular phylogeny of Dissanthelium (Poaceae: Pooideae) and its taxonomic implications." url="https://doi.org/10.1600/036364412X616701" volume="37" year="2012">Refulio-Rodriguez et al. 2012</bibRefCitation>
). Most of these open-panicled species of 
<taxonomicName id="950F878ACF40E10CB303DEB92C6C2989" authority="supersect. Homalopoa" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="supersect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="genus" supersection="Homalopoa">Poa supersect. Homalopoa</taxonomicName>
(Dumort.) Soreng &amp; L.J. Gillespie and the new species have glabrous lemmas and a web on the callus with a perfect lower floret and a pistillate upper floret. The new species appears to belong within 
<taxonomicName id="7117A5320052C354C5A6E2E4EF6906A9" authority="subg. Poa supersect. Homalopoa" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="supersect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="genus" supersection="Homalopoa">Poa subg. Poa supersect. Homalopoa</taxonomicName>
(
<bibRefCitation id="3A893CCC2C6340ED41AEDB20AC882119" DOI="https://doi.org/10.1093/aob/mcw108" author="Giussani, LM" journalOrPublisher="Annals of Botany" pageId="1" pageNumber="142" pagination="281 - 303" refId="B3" refString="Giussani, LM, Gillespie, LJ, Scataglini, MA, Negritto, MA, Anton, AM, Soreng, RJ, 2016. Breeding system diversification and evolution in American Poa supersect. Homalopoa (Poaceae: Poeae: Poinae). Annals of Botany 118 (2): 281 - 303, DOI: https://doi.org/10.1093/aob/mcw108" title="Breeding system diversification and evolution in American Poa supersect. Homalopoa (Poaceae: Poeae: Poinae)." url="https://doi.org/10.1093/aob/mcw108" volume="118" year="2016">Giussani et al. 2016</bibRefCitation>
). 
<taxonomicName id="646E9E2297CCEB1F33F162512088932A" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="section" section="Homalopoa">Poa sect. Homalopoa</taxonomicName>
s.str. may be restricted to Eurasia and North America while most species of the New World are placed in sect. 
<taxonomicName id="7E9E205328EEAB7E978F72FDF71E767A" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="section" section="Homalopoa">Homalopoa</taxonomicName>
s.l. (
<bibRefCitation id="7A6FC46190820F4D66E099B9EAB14C1E" DOI="https://doi.org/10.1093/aob/mcw108" author="Giussani, LM" journalOrPublisher="Annals of Botany" pageId="1" pageNumber="142" pagination="281 - 303" refId="B3" refString="Giussani, LM, Gillespie, LJ, Scataglini, MA, Negritto, MA, Anton, AM, Soreng, RJ, 2016. Breeding system diversification and evolution in American Poa supersect. Homalopoa (Poaceae: Poeae: Poinae). Annals of Botany 118 (2): 281 - 303, DOI: https://doi.org/10.1093/aob/mcw108" title="Breeding system diversification and evolution in American Poa supersect. Homalopoa (Poaceae: Poeae: Poinae)." url="https://doi.org/10.1093/aob/mcw108" volume="118" year="2016">Giussani et al. 2016</bibRefCitation>
; 
<bibRefCitation id="69E547823DA477F0F177EB7DED0F9F04" author="Soreng, RJ" journalOrPublisher="Contributions from the United States National Herbarium" pageId="2" pageNumber="143" pagination="1 - 730" refId="B13" refString="Soreng, RJ, Peterson, PM, Davidse, G, Judziewicz, EJ, Zuloaga, FO, Filgueiras, TS, Morrone, O, 2003. Catalogue of New World grasses (Poaceae): IV. subfamily Pooideae. Contributions from the United States National Herbarium 48: 1 - 730" title="Catalogue of New World grasses (Poaceae): IV. subfamily Pooideae." volume="48" year="2003">Soreng et al. 2003</bibRefCitation>
).
</paragraph>
<paragraph id="C269C46B3E7CFE62E280FF648CD9BDC5" pageId="1" pageNumber="142">
<taxonomicName id="8593A0A370DDCA6394E9D8B9859300BE" authorityName="Refulio" authorityYear="2012" baseAuthorityName="Tovar" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa gigantea" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="species" species="gigantea">
<emphasis id="CA83A359B10DC7371C0EAF180219655D" italics="true" pageId="1" pageNumber="142">Poa gigantea</emphasis>
</taxonomicName>
(
<taxonomicName id="E7E3F3BB1C1240A3EFFD405721ED5327" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="section" section="Dissanthelium">Poa sect. Dissanthelium</taxonomicName>
) is morphologically similar to our new species but differs in having glumes longer than or equalling the adjacent lemma, an unwebbed callus, shorter culms 22-58 cm tall and larger spikelets 5-5.5 mm long (
<bibRefCitation id="969C173B4A29BCC2A7C2A69020F3832E" author="Tovar Serpa, O" journalOrPublisher="Publicaciones del Museo de Historia Natural Javier Prado Serie B Bot" pageId="2" pageNumber="143" pagination="3 - 16" refId="B16" refString="Tovar Serpa, O, 1985. Ocho especies nuevas de Gramineae del Peru. Publicaciones del Museo de Historia Natural Javier Prado Serie B Bot 33: 3 - 16" title="Ocho especies nuevas de Gramineae del Peru." volume="33" year="1985">Tovar Serpa 1985</bibRefCitation>
; Refulio-Rodriguez 2012). Other Ecuadorian species of 
<taxonomicName id="B21095AD8B390F09330665C4814C11A8" class="Liliopsida" family="Gramineae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa" order="Poales" pageId="1" pageNumber="142" phylum="Tracheophyta" rank="genus">
<emphasis id="3528519FE8D43718362B2CF030D4A0DE" italics="true" pageId="1" pageNumber="142">Poa</emphasis>
</taxonomicName>
with narrow, spikelike panicles includes: 
<taxonomicName id="2B436FCF9326434A48330AFF66406041" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="P. chamaeclinos" order="Poales" pageId="1" pageNumber="142" phylum="Angiospermae" rank="species" species="chamaeclinos">
<emphasis id="7EDBDBC14A06681057CFF752E001D9CE" italics="true" pageId="1" pageNumber="142">P. chamaeclinos</emphasis>
</taxonomicName>
Pilg., 
<taxonomicName id="2B797A2041A3544AE8D844401275AF93" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="P. scaberula" order="Poales" pageId="1" pageNumber="142" phylum="Angiospermae" rank="species" species="scaberula">
<emphasis id="817A72E970E76AA26AFD516363E31618" italics="true" pageId="1" pageNumber="142">P. scaberula</emphasis>
</taxonomicName>
Hook. f. and 
<taxonomicName id="DDB402ADE369B9443A5ADD974CA459F8" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="P. subspicata" order="Poales" pageId="1" pageNumber="142" phylum="Angiospermae" rank="species" species="subspicata">
<emphasis id="A798566B2CB0AFABB149A7466844859C" italics="true" pageId="1" pageNumber="142">P. subspicata</emphasis>
</taxonomicName>
. We provide a key to separate these from the new species below (
<bibRefCitation id="A7424A57A26BD169B6E88A5234E88C7E" author="Hjorth, U" journalOrPublisher="Contributions from the United States National Herbarium" pageId="1" pageNumber="142" refId="B5" refString="Hjorth, U, 1991. Slaegten Poa L. i Ecuador. Master's Thesis, Aarhus University, Aarhus." title="Slaegten Poa L. i Ecuador. Master's Thesis, Aarhus University, Aarhus." year="1991">Hjorth 1991</bibRefCitation>
; 
<bibRefCitation id="EF69249E210F9011D6EDC1927FCE51E1" DOI="https://doi.org/10.3897/phytokeys.15.3084" author="Soreng, RJ" journalOrPublisher="PhytoKeys" pageId="2" pageNumber="143" pagination="1 - 104" refId="B12" refString="Soreng, RJ, Peterson, PM, 2012. Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: New records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii. PhytoKeys 15 (0): 1 - 104, DOI: https://doi.org/10.3897/phytokeys.15.3084" title="Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: New records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii." url="https://doi.org/10.3897/phytokeys.15.3084" volume="15" year="2012">Soreng and Peterson 2012</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>