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<document id="51741DCC9FF4E2DEAAC9426ECAA8F992" ID-CLB-Dataset="2966" ID-DOI="10.11646/phytotaxa.528.2.3" ID-GBIF-Dataset="6622002d-2bb5-4c1a-8a3d-d937860bbe28" ID-ISSN="1179-3163" ID-Zenodo-Dep="5778682" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1639470473687" checkinUser="plazi" docAuthor="Gutiérrez-Ortega, José Said, Pérez-Farrera, Miguel Angel, Chemnick, Jeffrey &amp; Gregory, Timothy J." docDate="2021" docId="2A13879BFFCBFF8F15A5B990FA2A5185" docLanguage="en" docName="phytotaxa.528.2.3.pdf" docOrigin="Phytotaxa 528 (2)" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.7:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="7" docTitle="Dioon Lindley 1843" docType="key" docVersion="7" lastPageNumber="105" masterDocId="D62AFFE3FFC0FF83152DBF16FF815051" masterDocTitle="A reassessment of Dioon merolae (Zamiaceae) leads to the description of Dioon salas-moralesae, a new cycad species from Southeastern Oaxaca, Mexico" masterLastPageNumber="110" masterPageNumber="93" pageNumber="104" updateTime="1699472436200" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="56C9743E556F4B47C9DC6AA43A8928F1">A reassessment of Dioon merolae (Zamiaceae) leads to the description of Dioon salas-moralesae, a new cycad species from Southeastern Oaxaca, Mexico</mods:title>
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<mods:namePart id="4943E7855F3714D920FF4AED0C6D8F40">Gutiérrez-Ortega, José Said</mods:namePart>
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<mods:affiliation id="125930E6787DE688FAEEF49724D35987">Institute for Excellence in Educational Innovation, Chiba University, Chiba 263 - 8522, Japan &amp; josesgo @ gmail. com; https: // orcid. org / 0000 - 0003 - 4342 - 6215</mods:affiliation>
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<mods:namePart id="D12BE8A75480955761DB8DD308C7CA10">Pérez-Farrera, Miguel Angel</mods:namePart>
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<mods:affiliation id="9F297B4C673CE037FCD1CA78A70CC62F">Herbario Eizi Matuda, Laboratorio de Ecología Evolutiva, Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez 29039, Mexico &amp; perezfarreram @ yahoo. com. mx; https: // orcid. org / 0000 - 0002 - 5329 - 1505</mods:affiliation>
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<mods:namePart id="7D67155288B91FEA8F2B655FBCEEEB26">Chemnick, Jeffrey</mods:namePart>
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<mods:affiliation id="B812326286BC06D1CAA7749017680945">Ganna Walska Lotusland, Santa Barbara, CA 93108, USA &amp; jeffchemnick @ cox. net; https: // orcid. org / 0000 - 0003 - 0200 - 6062</mods:affiliation>
<mods:nameIdentifier id="E725FBF1695A9602BA7640075C99297F" type="email">jeffchemnick@cox.net</mods:nameIdentifier>
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<mods:namePart id="31ED21F949BAF321BD851E00872DFF64">Gregory, Timothy J.</mods:namePart>
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<mods:affiliation id="1453A40BDD34319D5587DF366E8E9360">University of California Botanical Garden, Berkeley, CA 94720, USA &amp; cycadtim @ gmail. com; https: // orcid. org / 0000 - 0002 - 9249 - 3791</mods:affiliation>
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<mods:title id="1FD92EB4ADC9C22CF3D1B56EF5793F85">Phytotaxa</mods:title>
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<mods:date id="5B1A9F7A2977E4EB10E0C35C4BFF42ED">2021</mods:date>
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<treatment id="2A13879BFFCBFF8F15A5B990FA2A5185" ID-DOI="http://doi.org/10.5281/zenodo.5780059" ID-GBIF-Taxon="191563984" ID-Zenodo-Dep="5780059" LSID="urn:lsid:plazi:treatment:2A13879BFFCBFF8F15A5B990FA2A5185" httpUri="http://treatment.plazi.org/id/2A13879BFFCBFF8F15A5B990FA2A5185" lastPageId="12" lastPageNumber="105" pageId="11" pageNumber="104">
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<paragraph id="A205368DFFCBFF8815A5B990FD2956F1" blockId="11.[136,680,1670,1696]" box="[136,680,1670,1696]" pageId="11" pageNumber="104">
<heading id="F94D81E1FFCBFF8815A5B990FD2956F1" bold="true" box="[136,680,1670,1696]" fontSize="11" level="1" pageId="11" pageNumber="104" reason="1">
<emphasis id="90CEEA9FFFCBFF8815A5B990FD2956F1" bold="true" box="[136,680,1670,1696]" pageId="11" pageNumber="104">
Key to the
<taxonomicName id="65BA4D0EFFCBFF881427B990FED356F1" ID-CoL="62R3L" ID-ENA="58032" authority="Lindley (1843: 59 - 60)" authorityName="Lindley" authorityPageNumber="59 - 60" authorityYear="1843" box="[266,338,1670,1696]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="genus">
<emphasis id="90CEEA9FFFCBFF881427B990FED356F1" bold="true" box="[266,338,1670,1696]" italics="true" pageId="11" pageNumber="104">Dioon</emphasis>
</taxonomicName>
species in the Purpusii clade
</emphasis>
</heading>
</paragraph>
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<subSubSection id="EAA06506FFCBFF8815A5B9D9FCE55729" pageId="11" pageNumber="104" type="discussion">
<paragraph id="A205368DFFCBFF8815A5B9D9FCE55729" blockId="11.[136,1451,1742,1913]" pageId="11" pageNumber="104">
<taxonomicName id="65BA4D0EFFCBFF8815A5B9D9FE0C56B9" authorityName="Gutierrez-Ortega &amp; Perez-Farrera" authorityYear="2021" box="[136,397,1742,1768]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="salas-moralesae">
<emphasis id="90CEEA9FFFCBFF8815A5B9D9FE0C56B9" box="[136,397,1742,1768]" italics="true" pageId="11" pageNumber="104">Dioon salas-moralesae</emphasis>
</taxonomicName>
,
<taxonomicName id="65BA4D0EFFCBFF8814B7B9D9FDC356B9" box="[410,578,1742,1768]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="merolae">
<emphasis id="90CEEA9FFFCBFF8814B7B9D9FDC356B9" box="[410,578,1742,1768]" italics="true" pageId="11" pageNumber="104">Dioon merolae</emphasis>
</taxonomicName>
and
<taxonomicName id="65BA4D0EFFCBFF881755B9D9FCBE56B9" box="[632,831,1743,1768]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="oaxacensis">
<emphasis id="90CEEA9FFFCBFF881755B9D9FCBE56B9" box="[632,831,1743,1768]" italics="true" pageId="11" pageNumber="104">Dioon oaxacensis</emphasis>
</taxonomicName>
belong to the Purpusii clade, as determined in previous phylogenetic studies (
<bibRefCitation id="C62B4B7CFFCBFF881452B9E4FD5B575D" author="Gutierrez-Ortega, J. S. &amp; Salinas-Rodriguez, M. M. &amp; Martinez, J. F. &amp; Molina-Freaner, F. &amp; Perez-Farrera, M. A. &amp; Vovides, A. P. &amp; Matsuki, Y. &amp; Suyama, Y. &amp; Ohsawa, T. A. &amp; Watano, Y. &amp; Kajita, T." box="[383,730,1778,1805]" pageId="11" pageNumber="104" pagination="535 - 548" refId="ref8353" refString="Gutierrez-Ortega, J. S., Salinas-Rodriguez, M. M., Martinez, J. F., Molina-Freaner, F., Perez-Farrera, M. A., Vovides, A. P., Matsuki, Y., Suyama, Y., Ohsawa, T. A., Watano, Y. &amp; Kajita, T. (2018 b) The phylogeography of the cycad genus Dioon (Zamiaceae) clarifies its Cenozoic expansion and diversification in the Mexican transition zone. Annals of Botany 121 (3): 535 - 548. https: // doi. org / 10.1093 / aob / mcx 165" type="journal article" year="2018">
Gutiérrez-Ortega
<emphasis id="90CEEA9FFFCBFF881765B9E5FDFA575D" box="[584,635,1778,1804]" italics="true" pageId="11" pageNumber="104">et al</emphasis>
., 2018b
</bibRefCitation>
,
<bibRefCitation id="C62B4B7CFFCBFF8817CAB9E4FCAE575D" author="Gutierrez-Ortega, J. S. &amp; Yamamoto, T. &amp; Vovides, A. P. &amp; Perez-Farrera, M. A. &amp; Martinez, J. F. &amp; Molina-Freaner, F. &amp; Watano, Y. &amp; Kajita, T." box="[743,815,1778,1804]" pageId="11" pageNumber="104" pagination="47 - 60" refId="ref8470" refString="Gutierrez-Ortega, J. S., Yamamoto, T., Vovides, A. P., Perez-Farrera, M. A., Martinez, J. F., Molina-Freaner, F., Watano, Y. &amp; Kajita, T. (2018 c) Aridification as a driver of biodiversity: a case study for the cycad genus Dioon (Zamiaceae). Annals of Botany 121 (1): 47 - 60. https: // doi. org / 10.1093 / aob / mcx 123" type="journal article" year="2018">2018c</bibRefCitation>
;
<bibRefCitation id="C62B4B7CFFCBFF881611B9E5FB95575D" author="Dorsey, B. L. &amp; Gregory, T. J. &amp; Sass, C. &amp; Specht, C. D." box="[828,1044,1778,1805]" pageId="11" pageNumber="104" pagination="1512 - 1530" refId="ref7997" refString="Dorsey, B. L., Gregory, T. J., Sass, C. &amp; Specht, C. D. (2018) Pleistocene diversification in an ancient lineage: a role for glacial cycles in the evolutionary history of Dioon Lindl. (Zamiaceae). American Journal of Botany 105 (9): 1512 - 1530. https: // doi. org / 10.1002 / ajb 2.1149" type="journal article" year="2018">
Dorsey
<emphasis id="90CEEA9FFFCBFF8816B8B9E5FC49575D" box="[917,968,1778,1804]" italics="true" pageId="11" pageNumber="104">et al</emphasis>
. 2018
</bibRefCitation>
). The other species in this clade are
<taxonomicName id="65BA4D0EFFCBFF8815A5B801FECC5761" authorityName="Gregory, Chemnick, Salas-Morales &amp; Vovides" authorityYear="2003" box="[136,333,1815,1840]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="argenteum">
<emphasis id="90CEEA9FFFCBFF8815A5B801FECC5761" box="[136,333,1815,1840]" italics="true" pageId="11" pageNumber="104">Dioon argenteum</emphasis>
</taxonomicName>
,
<taxonomicName id="65BA4D0EFFCBFF881471B801FC305761" authority="De Luca &amp; Sabato (1979: 170 - 172)" authorityName="De Luca &amp; Sabato" authorityPageNumber="170 - 172" authorityYear="1979" box="[348,945,1814,1841]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="califanoi">
<emphasis id="90CEEA9FFFCBFF881471B801FD8F5761" box="[348,526,1814,1840]" italics="true" pageId="11" pageNumber="104">Dioon califanoi</emphasis>
<bibRefCitation id="C62B4B7CFFCBFF88173BB801FC305761" author="De Luca, P. &amp; Sabato, S." box="[534,945,1814,1841]" pageId="11" pageNumber="104" pagination="170 - 173" refId="ref7810" refString="De Luca, P. &amp; Sabato, S. (1979) Dioon califanoi (Zamiaceae), a new species from Mexico. Brittonia 31: 170 - 173. https: // doi. org / 10.2307 / 2806693" type="journal article" year="1979">De Luca &amp; Sabato (1979: 170–172)</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="65BA4D0EFFCBFF881690B801FEF95704" authority="De Luca, Sabato &amp; Vazquez Torres (1980: 44 - 46)" authorityName="De Luca, Sabato &amp; Vazquez Torres" authorityPageNumber="44 - 46" authorityYear="1980" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="caputoi">
<emphasis id="90CEEA9FFFCBFF881690B801FBDE5761" box="[957,1119,1815,1840]" italics="true" pageId="11" pageNumber="104">Dioon caputoi</emphasis>
<bibRefCitation id="C62B4B7CFFCBFF881145B801FEF95704" author="De Luca, P. &amp; Sabato, S. &amp; Vazquez Torres, M." pageId="11" pageNumber="104" pagination="43 - 46" refId="ref7852" refString="De Luca, P., Sabato, S. &amp; Vazquez Torres, M. (1980) Dioon caputoi (Zamiaceae), a new species from Mexico. Brittonia 32: 43 - 46. https: // doi. org / 10.2307 / 2806216" type="journal article" year="1980">De Luca, Sabato &amp; Vázquez Torres (1980: 44–46)</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="65BA4D0EFFCBFF8814AEB82DFDCB5705" box="[387,586,1850,1876]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="holmgrenii">
<emphasis id="90CEEA9FFFCBFF8814AEB82DFDCB5705" box="[387,586,1850,1876]" italics="true" pageId="11" pageNumber="104">Dioon holmgrenii</emphasis>
</taxonomicName>
(1981b: 552–554),
<taxonomicName id="65BA4D0EFFCBFF881605B82DFC775705" authorityName="Salas-Morales, Chemnick &amp; Gregory" authorityYear="2016" box="[808,1014,1850,1876]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="planifolium">
<emphasis id="90CEEA9FFFCBFF881605B82DFC775705" box="[808,1014,1850,1876]" italics="true" pageId="11" pageNumber="104">Dioon planifolium</emphasis>
</taxonomicName>
, and
<taxonomicName id="65BA4D0EFFCBFF88111EB82DFF3E5728" authority="Rose (1909: 260 - 261)" authorityName="Rose" authorityPageNumber="260 - 261" authorityYear="1909" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="purpusii">
<emphasis id="90CEEA9FFFCBFF88111EB82DFB5C5705" box="[1075,1245,1851,1876]" italics="true" pageId="11" pageNumber="104">Dioon purpusii</emphasis>
<bibRefCitation id="C62B4B7CFFCBFF8811C9B82DFF3E5728" author="Rose, J. N." pageId="11" pageNumber="104" pagination="260 - 261" refId="ref9166" refString="Rose, J. N. (1909) Studies of Mexican and Central American plants Vol. 12, No. 6. pp. 260 - 261." type="book chapter" year="1909">Rose (1909: 260– 261)</bibRefCitation>
</taxonomicName>
. A key for the species of the Purpusii clade is here provided.
</paragraph>
</subSubSection>
<subSubSection id="EAA06506FFCBFF8F15A5B8B5FA2A5185" lastPageId="12" lastPageNumber="105" pageId="11" pageNumber="104" type="key">
<keyStep id="194E2E28FFCBFF8815A5B8B5FA2A5784" pageId="11" pageNumber="104">
<paragraph id="A205368DFFCBFF8815A5B8B5FA2A57E9" blockId="11.[136,1451,1955,2092]" box="[136,1451,1955,1977]" pageId="11" pageNumber="104">
<keyLead id="194B95B8FFCBFF8815A5B8B5FA2A57E9" box="[136,1451,1955,1977]" pageId="11" pageNumber="104">1a. Leaves green when emerging .............................................................................................................................................................2</keyLead>
</paragraph>
<paragraph id="A205368DFFCBFF8815A5B8A9FA2A5784" blockId="11.[136,1451,1955,2092]" box="[136,1451,1983,2005]" pageId="11" pageNumber="104">
<keyLead id="194B95B8FFCBFF8815A5B8A9FA2A5784" box="[136,1451,1983,2005]" pageId="11" pageNumber="104">
1b. Leaves silver when emerging .........................................................................................................................................
<taxonomicName id="65BA4D0EFFCBFF881005B8D6FA2A5784" ID-CoL="36BD9" authorityName="Gregory, Chemnick, Salas-Morales &amp; Vovides" authorityYear="2003" box="[1320,1451,1984,2005]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="argenteum">
<emphasis id="90CEEA9FFFCBFF881005B8D6FA2A5784" box="[1320,1451,1984,2005]" italics="true" pageId="11" pageNumber="104">D. argenteum</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="194E2E28FFCBFF8815A5B8CAFA2A585F" pageId="11" pageNumber="104">
<paragraph id="A205368DFFCBFF8815A5B8CAFA2A57A0" blockId="11.[136,1451,1955,2092]" box="[136,1451,2012,2034]" pageId="11" pageNumber="104">
<keyLead id="194B95B8FFCBFF8815A5B8CAFA2A57A0" box="[136,1451,2012,2034]" pageId="11" pageNumber="104">
2a. Leaflets strongly curved downward in the apical portion ..................................................................................................
<taxonomicName id="65BA4D0EFFCBFF88106DB8CBFA2A57A0" ID-CoL="36BDG" box="[1344,1451,2012,2034]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="11" pageNumber="104" phylum="Tracheophyta" rank="species" species="merolae">
<emphasis id="90CEEA9FFFCBFF88106DB8CBFA2A57A0" box="[1344,1451,2012,2034]" italics="true" pageId="11" pageNumber="104">D. merolae</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="A205368DFFCBFF8815A5B8EFFA2A585F" blockId="11.[136,1451,1955,2092]" box="[136,1451,2041,2063]" pageId="11" pageNumber="104">
<keyLead id="194B95B8FFCBFF8815A5B8EFFA2A585F" box="[136,1451,2041,2063]" pageId="11" pageNumber="104">2b. Leaflets not or slightly curved downward in the apical portion.........................................................................................................3</keyLead>
</paragraph>
</keyStep>
<paragraph id="A205368DFFCBFF8F15A5B700FA2A50E4" blockId="11.[136,1451,1955,2092]" lastBlockId="12.[136,1451,159,469]" lastPageId="12" lastPageNumber="105" pageId="11" pageNumber="104">
<keyLead id="194B95B8FFCBFF8F15A5B700FA2A50E4" lastPageId="12" lastPageNumber="105" pageId="11" pageNumber="104">
<keyStep id="194E2E28FFCBFF8F15A5B700FA2A50E4" lastPageId="12" lastPageNumber="105" pageId="11" pageNumber="104">3a. Leaflets strongly imbricated...............................................................................................................................................................4 3b. Leaflets not imbricated.......................................................................................................................................................................6</keyStep>
</keyLead>
</paragraph>
<keyStep id="194E2E28FFCCFF8F15A5BFAAFA2A50BF" pageId="12" pageNumber="105">
<paragraph id="A205368DFFCCFF8F15A5BFAAFA2B5080" blockId="12.[136,1451,159,469]" box="[136,1450,188,210]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BFAAFA2B5080" box="[136,1450,188,210]" pageId="12" pageNumber="105">
4a. Leaflets inserted obliquely on the rachis, leaf strongly keeled .........................................................................................
<taxonomicName id="65BA4D0EFFCCFF8F1015BFABFA2B5080" ID-CoL="6CV97" authorityName="De Luca &amp; Sabato" authorityYear="1979" box="[1336,1450,188,210]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="califanoi">
<emphasis id="90CEEA9FFFCCFF8F1015BFABFA2B5080" box="[1336,1450,188,210]" italics="true" pageId="12" pageNumber="105">D. califanoi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="A205368DFFCCFF8F15A5BFCFFA2A50BF" blockId="12.[136,1451,159,469]" box="[136,1451,216,239]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BFCFFA2A50BF" box="[136,1451,216,239]" pageId="12" pageNumber="105">4b. Leaflets not obliquely inserted on the rachis......................................................................................................................................5</keyLead>
</paragraph>
</keyStep>
<keyStep id="194E2E28FFCCFF8F15A5BFE3FA2B5176" pageId="12" pageNumber="105">
<paragraph id="A205368DFFCCFF8F15A5BFE3FA2B515A" blockId="12.[136,1451,159,469]" box="[136,1450,245,267]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BFE3FA2B515A" box="[136,1450,245,267]" pageId="12" pageNumber="105">
5a. Leaflets flat, leaf frequently moderately keeled............................................................................................................
<taxonomicName id="65BA4D0EFFCCFF8F1009BFE0FA2B515A" box="[1316,1450,246,267]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="oaxacensis">
<emphasis id="90CEEA9FFFCCFF8F1009BFE0FA2B515A" box="[1316,1450,246,267]" italics="true" pageId="12" pageNumber="105">D. oaxacensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="A205368DFFCCFF8F15A5BE04FA2B5176" blockId="12.[136,1451,159,469]" box="[136,1450,274,296]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BE04FA2B5176" box="[136,1450,274,296]" pageId="12" pageNumber="105">
5b. Leaflets slightly curved downward in the apical portion ......................................................................................
<taxonomicName id="65BA4D0EFFCCFF8F11DDBE05FA2B5176" ID-CoL="36BD9" authorityName="Gutierrez-Ortega &amp; Perez-Farrera" authorityYear="2021" box="[1264,1450,274,296]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="salas-moralesae">
<emphasis id="90CEEA9FFFCCFF8F11DDBE05FA2B5176" box="[1264,1450,274,296]" italics="true" pageId="12" pageNumber="105">D. salas-moralesae</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="194E2E28FFCCFF8F15A5BE39FA2A5130" pageId="12" pageNumber="105">
<paragraph id="A205368DFFCCFF8F15A5BE39FA2A5114" blockId="12.[136,1451,159,469]" box="[136,1451,303,325]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BE39FA2A5114" box="[136,1451,303,325]" pageId="12" pageNumber="105">
6a. Leaves moderately keeled .................................................................................................................................................
<taxonomicName id="65BA4D0EFFCCFF8F1010BE26FA2A5114" ID-CoL="36BDJ" authorityName="Rose" authorityYear="1909" box="[1341,1451,304,325]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="purpusii">
<emphasis id="90CEEA9FFFCCFF8F1010BE26FA2A5114" box="[1341,1451,304,325]" italics="true" pageId="12" pageNumber="105">D. purpusii</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="A205368DFFCCFF8F15A5BE5AFA2A5130" blockId="12.[136,1451,159,469]" box="[136,1451,332,354]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BE5AFA2A5130" box="[136,1451,332,354]" pageId="12" pageNumber="105">6b. Leaves not keeled ...............................................................................................................................................................................7</keyLead>
</paragraph>
</keyStep>
<keyStep id="194E2E28FFCCFF8F15A5BE7FFA2A51CA" pageId="12" pageNumber="105">
<paragraph id="A205368DFFCCFF8F15A5BE7FFA2A512F" blockId="12.[136,1451,159,469]" box="[136,1451,360,383]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BE7FFA2A512F" box="[136,1451,360,383]" pageId="12" pageNumber="105">
7a. Leaflets
<quantity id="65429B68FFCCFF8F140BBE7EFEF4512F" box="[294,373,360,382]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="12" pageNumber="105" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">4–5 mm</quantity>
wide, widely spaced along the rachis ......................................................................................................
<taxonomicName id="65BA4D0EFFCCFF8F1068BE7FFA2A512F" ID-CoL="36BDB" authorityName="De Luca, Sabato &amp; Vazquez Torres" authorityYear="1980" box="[1349,1451,361,382]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="caputoi">
<emphasis id="90CEEA9FFFCCFF8F1068BE7FFA2A512F" box="[1349,1451,361,382]" italics="true" pageId="12" pageNumber="105">D. caputoi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="A205368DFFCCFF8F15A5BE93FA2A51CA" blockId="12.[136,1451,159,469]" box="[136,1451,389,411]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BE93FA2A51CA" box="[136,1451,389,411]" pageId="12" pageNumber="105">
7b. Leaflets&gt;
<quantity id="65429B68FFCCFF8F1419BE93FEEA51CA" box="[308,363,389,411]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="12" pageNumber="105" unit="mm" value="5.0">5 mm</quantity>
wide, slightly spaced along the rachis......................................................................................................................8
</keyLead>
</paragraph>
</keyStep>
<keyStep id="194E2E28FFCCFF8F15A5BEB4FA2A5185" pageId="12" pageNumber="105">
<paragraph id="A205368DFFCCFF8F15A5BEB4FA2B51E6" blockId="12.[136,1451,159,469]" box="[136,1450,418,440]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BEB4FA2B51E6" box="[136,1450,418,440]" pageId="12" pageNumber="105">
8a. Leaflets with 3–4 long spines on the upper margin and slightly decurved ...................................................................
<taxonomicName id="65BA4D0EFFCCFF8F1008BEB5FA2B51E6" ID-CoL="36BDD" box="[1317,1450,418,440]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="holmgrenii">
<emphasis id="90CEEA9FFFCCFF8F1008BEB5FA2B51E6" box="[1317,1450,418,440]" italics="true" pageId="12" pageNumber="105">D. holmgrenii</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="A205368DFFCCFF8F15A5BEA9FA2A5185" blockId="12.[136,1451,159,469]" box="[136,1451,447,469]" pageId="12" pageNumber="105">
<keyLead id="194B95B8FFCCFF8F15A5BEA9FA2A5185" box="[136,1451,447,469]" pageId="12" pageNumber="105">
8b. Leaflets flat with 0–2 long spines on the upper margin ...............................................................................................
<taxonomicName id="65BA4D0EFFCCFF8F1032BED6FA2A5185" ID-CoL="36BDH" authorityName="Salas-Morales, Chemnick &amp; Gregory" authorityYear="2016" box="[1311,1451,447,469]" class="Cycadopsida" family="Zamiaceae" genus="Dioon" kingdom="Plantae" order="Cycadales" pageId="12" pageNumber="105" phylum="Tracheophyta" rank="species" species="planifolium">
<emphasis id="90CEEA9FFFCCFF8F1032BED6FA2A5185" box="[1311,1451,447,469]" italics="true" pageId="12" pageNumber="105">D. planifolium</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>
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