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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.208.80382" ID-Pensoft-Pub="1314-2003-208-1" ID-Pensoft-UUID="F47A23EA345757E29C2800F6D51CEE05" ModsDocID="1314-2003-208-1" checkinTime="1663786009364" checkinUser="pensoft" docAuthor="Martinez-Dominguez, Lili, Nicolalde-Morejon, Fernando, Vergara-Silva, Francisco &amp; Stevenson, Dennis Wm." docDate="2022" docId="C0EA45994A565E5299031B2A4F57ABDF" docLanguage="en" docName="PhytoKeys 208: 1-102" docOrigin="PhytoKeys 208" docPubDate="2022-09-21" docSource="http://dx.doi.org/10.3897/phytokeys.208.80382" docTitle="Ceratozamia tenuis (Dyer) D. W. Stev. &amp; Vovides, Bot. Sci. 94 (2): 425. 2016" docType="treatment" docVersion="1" id="F47A23EA345757E29C2800F6D51CEE05" lastPageNumber="1" masterDocId="F47A23EA345757E29C2800F6D51CEE05" masterDocTitle="Monograph of Ceratozamia (Zamiaceae, Cycadales): an endangered genus" masterLastPageNumber="102" masterPageNumber="1" pageNumber="1" updateTime="1663786009364" updateUser="pensoft">
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<mods:title>Monograph of Ceratozamia (Zamiaceae, Cycadales): an endangered genus</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Martinez-Dominguez, Lili</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1158-1501</mods:nameIdentifier>
<mods:affiliation>Posgrado en Ciencias Biologicas, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, 3 er. Circuito Exterior, Ciudad Universitaria, 04510, Coyoacan, CDMX, Mexico</mods:affiliation>
<mods:nameIdentifier type="email">lilimartinezd@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nicolalde-Morejon, Fernando</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1423-7474</mods:nameIdentifier>
<mods:affiliation>Laboratorio de Teoria Evolutiva e Historia de la Ciencia, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, 3 er. Circuito Exterior, Ciudad Universitaria, 04510, Coyoacan, CDMX. Mexico</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Vergara-Silva, Francisco</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5024-268X</mods:nameIdentifier>
<mods:affiliation>Posgrado en Ciencias Biologicas, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, 3 er. Circuito Exterior, Ciudad Universitaria, 04510, Coyoacan, CDMX, Mexico</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Stevenson, Dennis Wm.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2986-7076</mods:nameIdentifier>
<mods:affiliation>Laboratorio de Taxonomia Integrativa, Instituto de Investigaciones Biologicas, Universidad Veracruzana, Xalapa, 91190, Veracruz. Mexico</mods:affiliation>
<mods:nameIdentifier type="email">dws@nybg.org</mods:nameIdentifier>
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<mods:title>PhytoKeys</mods:title>
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<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-09-21</mods:number>
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<mods:detail type="volume">
<mods:number>208</mods:number>
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<mods:start>1</mods:start>
<mods:end>102</mods:end>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.208.80382</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.208.80382</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-208-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">F47A23EA345757E29C2800F6D51CEE05</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:C0EA45994A565E5299031B2A4F57ABDF" httpUri="http://treatment.plazi.org/id/C0EA45994A565E5299031B2A4F57ABDF" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
31.
<taxonomicName LSID="C0EA4599-4A56-5E52-9903-1B2A4F57ABDF" authority="(Dyer) D. W. Stev. &amp; Vovides, Bot. Sci. 94 (2): 425. 2016" authorityName="(Dyer) D. W. Stev. &amp; Vovides, Bot. Sci. 94 (2): 425." authorityYear="2016" class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="tenuis">Ceratozamia tenuis (Dyer) D.W.Stev. &amp; Vovides, Bot. Sci. 94 (2): 425. 2016</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 27" captionStartId="F27" captionText="Figure 27. Plants of Ceratozamia in habitat. A C. norstogii B C. oliversacksii C C. robusta D C. sabatoi E C. santillanii F C. tenuis G C. totonacorum H C. vovidesii I C. zaragozae." figureDoi="10.3897/phytokeys.208.80382.figure27" httpUri="https://binary.pensoft.net/fig/746086" pageId="0" pageNumber="1">Fig. 27F</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="reference_group">
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="tenuis">Ceratozamia tenuis</taxonomicName>
Type. Cultivated in England at the Royal Botanic Gardens Kew &quot;Hort. Kew Palm House&quot;, 1881,
<emphasis italics="true" pageId="0" pageNumber="1">Anon. s.n.</emphasis>
(lectotype, designated by
<bibRefCitation author="Vovides, AP" journalOrPublisher="Botanical Journal of the Linnean Society" pageId="0" pageNumber="1" refId="B76" refString="Vovides, AP, Stevenson, DW, Perez-Farrera, MA, Lopez, S, Avendano, S, 2016. What is Ceratozamia mexicana (Zamiaceae)? Botanical Sciences 94(2): 419-429." title="What is Ceratozamia mexicana (Zamiaceae)? Botanical Sciences 94 (2): 419 - 429." year="2016">Vovides et al. 2016</bibRefCitation>
, pg. 425: K! [K001092673, K001092674]). Mexico. Veracruz: Mun. Jilotepec, 19 Jan 1976,
<emphasis italics="true" pageId="0" pageNumber="1">A.P. Vovides 18</emphasis>
♂ (epitype, designated by
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.100.23152" author="Martinez-Dominguez, L" journalOrPublisher="PhytoKeys" pageId="0" pageNumber="1" pagination="91 - 124" refId="B25" refString="Martinez-Dominguez, L, Nicolalde-Morejon, F, Vergara-Silva, F, Stevenson, DW, 2018a. Taxonomic review of Ceratozamia (Zamiaceae) in the Sierra Madre Oriental, Mexico. PhytoKeys 100: 91 - 124, DOI: https://doi.org/10.3897/phytokeys.100.23152" title="Taxonomic review of Ceratozamia (Zamiaceae) in the Sierra Madre Oriental, Mexico." url="https://doi.org/10.3897/phytokeys.100.23152" volume="100" year="2018 a">
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 2018a
</bibRefCitation>
, 117: XAL! [acc. # 16980]; isoepitype: NY!).
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia mexicana subsp. var. var. vulgaris" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="mexicana" subSpecies="var." variety="vulgaris">Ceratozamia mexicana Brongn. var. vulgaris</taxonomicName>
J.Schust., Pflanzenr. (Engler) Heft 99, 4 fam 1: 131. 1932. Mexico. Veracruz: Mun. Xalapa, Chiltoyac, 1,270 m, 18 Oct 2016,
<emphasis italics="true" pageId="0" pageNumber="1">L. Martínez-Domínguez et al. 984</emphasis>
(neotype, designated by
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.100.23152" author="Martinez-Dominguez, L" journalOrPublisher="PhytoKeys" pageId="0" pageNumber="1" pagination="91 - 124" refId="B25" refString="Martinez-Dominguez, L, Nicolalde-Morejon, F, Vergara-Silva, F, Stevenson, DW, 2018a. Taxonomic review of Ceratozamia (Zamiaceae) in the Sierra Madre Oriental, Mexico. PhytoKeys 100: 91 - 124, DOI: https://doi.org/10.3897/phytokeys.100.23152" title="Taxonomic review of Ceratozamia (Zamiaceae) in the Sierra Madre Oriental, Mexico." url="https://doi.org/10.3897/phytokeys.100.23152" volume="100" year="2018 a">
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 2018a
</bibRefCitation>
, pg. 117: CIB! [acc. # 17988UV]).
</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" form="tenuis" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia mexicana subsp. f." order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="form" species="mexicana" subSpecies="f.">Ceratozamia mexicana f. tenuis</taxonomicName>
(Dyer) J.Schust., Pflanzenr. (Engler) Heft 99, 4 fam 1: 132. 1932, as &quot;
<taxonomicName class="Cycadopsida" family="Zamiaceae" form="tenuis" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia mexicana subsp. f. var. longifolia" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="form" species="mexicana" subSpecies="f." variety="longifolia">Ceratozamia mexicana var. longifolia f. tenuis</taxonomicName>
&quot;. Type: Based on
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia mexicana subsp. var. var. tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="mexicana" subSpecies="var." variety="tenuis">Ceratozamia mexicana Brongn. var. tenuis</taxonomicName>
Dyer
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Based on
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia mexicana subsp. var. var. tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="variety" species="mexicana" subSpecies="var." variety="tenuis">Ceratozamia mexicana Brongn. var. tenuis</taxonomicName>
Dyer, Biol. Cent.-Amer., Bot. 3: 193. 1884.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Stem</emphasis>
20-100 cm long, 30-45 cm in diameter, epigeous, erect and decumbent.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Cataphylls</emphasis>
2-6
<normalizedToken originalValue="×">x</normalizedToken>
2-5.5 cm wide at the base, persistent, triangular, reddish brown, densely brown tomentose at emergence, partially tomentose at maturity, apex acuminate.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaves</emphasis>
6-56, 85-225 cm long, ascending, dark green at emergence with brown trichomes, glabrous at maturity.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Petiole</emphasis>
30-93 cm long, terete, linear, green in mature leaves; with 10-55 thin prickles, 0.20-0.49 cm long.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Rachis</emphasis>
56-154 cm long, terete, linear, green in mature leaves, with prickles.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Leaflets</emphasis>
30-56 pairs, opposite to subopposite, insertion in one plane, linear, longitudinally curved abaxially to planar, basally falcate, papyraceous, involute, green with adaxial and abaxial sides glabrous, distal end with entire margins, acuminate and symmetrical at apex, attenuate at base, with conspicuous and light-green veins; median leaflets 23-50.5
<normalizedToken originalValue="×">x</normalizedToken>
1-2.1 cm, 0.3-2.5 cm between leaflets; articulations 0.4-1.4 cm wide, green.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Pollen strobili</emphasis>
25-50 cm long, 4-8 cm in diameter, solitary, cylindrical, erect, greenish yellow at emergence, greenish yellow with blackish trichomes at maturity; peduncle 3.7-22 cm long, 1.2-2.5 cm in diameter, tomentose, reddish brown to light-brown; microsporophylls 1.7-2.7
<normalizedToken originalValue="×">x</normalizedToken>
1.2-1.9 cm, obconic with a non-recurved distal face and a lobate fertile portion, infertile portion 0.50-0.65 cm long and orbicular with recurved horns 0.25-0.46 cm long, 0.35-0.65 cm between the horns and a right angle between the horns.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Ovulate strobili</emphasis>
22-35 cm long, (7.6) 10-14 cm in diameter, solitary, cylindrical, erect, dark green with blackish trichomes at emergence, dark green with blackish trichomes at maturity, acuminate apex; peduncle 8-23 cm long, 1.5-2.4 cm in diameter, erect or pendulous, tomentose, brown to reddish brown; megasporophylls (48) 80-196, 7-16 orthostichies with 6-14 sporophylls per orthostichy, 2.1-3.1
<normalizedToken originalValue="×">x</normalizedToken>
3.0-5.0 cm, with a prominent distal face, horns curved and 0.32-0.80 cm long, 0.80-1.60 cm between horns with a right angle between the horns.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Seeds</emphasis>
2.5-3 cm long, 1.3-1.8 cm in diameter, ovate, sarcotesta whitish yellow to yellow when immature, light brown at maturity.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="distribution">
<paragraph pageId="0" pageNumber="1">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="tenuis">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia tenuis</emphasis>
</taxonomicName>
is endemic to the central montane region in Veracruz State, Mexico (Fig.
<figureCitation captionStart="Figure 24" captionStartId="F24" captionText="Figure 24. Distribution of Ceratozamia species. A C. santillanii B C. subroseophylla C C. tenuis D C. totonacorum." figureDoi="10.3897/phytokeys.208.80382.figure24" httpUri="https://binary.pensoft.net/fig/746083" pageId="0" pageNumber="1">24C</figureCitation>
), where it occurs in cloud forest at 1,200-1,920 m elevation on volcanic soils with basaltic rocks.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="etymology">
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="1">The specific epithet is derived from its thin leaflets.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="common names">
<paragraph pageId="0" pageNumber="1">Common names.</paragraph>
<paragraph pageId="0" pageNumber="1">
Mexico. Veracruz: Costilla de
<normalizedToken originalValue="león">leon</normalizedToken>
(L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 573); palma del monte (L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 166).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="uses">
<paragraph pageId="0" pageNumber="1">Uses.</paragraph>
<paragraph pageId="0" pageNumber="1">
Ovulate strobili are used as an insecticide; these are cut in half and mixed with milk or sugar to kill flies (L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 980).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="conservation status">
<paragraph pageId="0" pageNumber="1">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="tenuis">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia tenuis</emphasis>
</taxonomicName>
has not been assessed for The IUCN Red List of Threatened Species. This species has populations with several adult plants (between 100 to 300); however, the total area of distribution is narrow and it is one of the areas that is highly affected by changes in land use in recent years. According to IUCN criteria this species should be considered as
<normalizedToken originalValue="“Endangered”">&quot;Endangered&quot;</normalizedToken>
(EN) under A1acd; B1ab(iii).
</paragraph>
<caption doi="10.3897/phytokeys.208.80382.figure27" httpUri="https://binary.pensoft.net/fig/746086" pageId="0" pageNumber="1" start="Figure 27" startId="F27">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 27.</emphasis>
Plants of
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia</emphasis>
</taxonomicName>
in habitat.
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. norstogii" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="norstogii">
<emphasis italics="true" pageId="0" pageNumber="1">C. norstogii</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. oliversacksii" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="oliversacksii">
<emphasis italics="true" pageId="0" pageNumber="1">C. oliversacksii</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. robusta" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="robusta">
<emphasis italics="true" pageId="0" pageNumber="1">C. robusta</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. sabatoi" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="sabatoi">
<emphasis italics="true" pageId="0" pageNumber="1">C. sabatoi</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. santillanii" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="santillanii">
<emphasis italics="true" pageId="0" pageNumber="1">C. santillanii</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. tenuis" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="tenuis">
<emphasis italics="true" pageId="0" pageNumber="1">C. tenuis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. totonacorum" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="totonacorum">
<emphasis italics="true" pageId="0" pageNumber="1">C. totonacorum</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. vovidesii" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="vovidesii">
<emphasis italics="true" pageId="0" pageNumber="1">C. vovidesii</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="1">I</emphasis>
<taxonomicName family="Zamiaceae" kingdom="Plantae" lsidName="C. zaragozae" order="Cycadales" pageId="0" pageNumber="1" rank="species" species="zaragozae">
<emphasis italics="true" pageId="0" pageNumber="1">C. zaragozae</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="discussion">
<paragraph pageId="0" pageNumber="1">Discussion.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Cycadopsida" family="Zamiaceae" genus="Ceratozamia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ceratozamia tenuis" order="Cycadales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="tenuis">
<emphasis italics="true" pageId="0" pageNumber="1">Ceratozamia tenuis</emphasis>
</taxonomicName>
is characterized by a petiole with thin prickles, and linear leaflets that are papyraceous and involute with a symmetric apex. The ovulate strobilus is dark green with blackish trichomes at maturity, a prominent distal face, and a right angle between the horns.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" country="Mexico" location="Veracruz" specimenCount="1" stateProvince="Veracruz">
<collectingCountry name="Mexico">Mexico</collectingCountry>
.
<emphasis bold="true" pageId="0" pageNumber="1">
<collectingRegion country="Mexico" name="Veracruz de Ignacio de la Llave">Veracruz</collectingRegion>
: Mun. Banderilla
</emphasis>
</materialsCitation>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.45" unit="m" value="1.45">1,450 m</quantity>
,
<date value="2017-04-21">21 Apr 2017</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 1000
</emphasis>
(CIB).
<emphasis bold="true" pageId="0" pageNumber="1">Mun. Chiconquiaco</emphasis>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.8" unit="m" value="1.8">1,800 m</quantity>
,
<date value="1974-11-26">26 Nov 1974</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">D. Jimeno-Sevilla 754</emphasis>
(XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.916" unit="m" value="1.916">1,916 m</quantity>
,
<date value="2016-09-27">27 Sep 2016</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
et al. 2456
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">2464</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.8" unit="m" value="1.8">1,800 m</quantity>
,
<date value="1974-11-26">26 Nov 1974</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">J. Rees 1625</emphasis>
(XAL),
<emphasis italics="true" pageId="0" pageNumber="1">1626</emphasis>
(MEXU, XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.916" unit="m" value="1.916">1,916 m</quantity>
,
<date value="2016-09-27">27 Sep 2016</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 971, 973
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">981</emphasis>
(CIB),
<emphasis italics="true" pageId="0" pageNumber="1">972</emphasis>
(CIB, MEXU);
<date value="1967-04-13">13 Apr 1967</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">R. Fernandez-Nava 385A</emphasis>
(MEXU).
<emphasis bold="true" pageId="0" pageNumber="1">Mun. Coacoatzintla</emphasis>
,
<date value="1985-03-08">8 Mar 1985</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">F. Vazquez B</emphasis>
.
<emphasis italics="true" pageId="0" pageNumber="1">2275</emphasis>
(XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.4" unit="m" value="1.4">1,400 m</quantity>
,
<date value="1977-01-07">7 Jan 1977</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">G. Castillo-Campos 118</emphasis>
(XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.55" unit="m" value="1.55">1,550 m</quantity>
,
<date value="2005-06-03">3 Jun 2005</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.H.
<normalizedToken originalValue="Bojórquez-Galván">Bojorquez-Galvan</normalizedToken>
&amp; A.M. Zapata-Aquino 1484, 1485
</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.435" unit="m" value="1.435">1,435 m</quantity>
,
<date value="2015-01-09">9 Jan 2015</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 165
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">184</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.435" unit="m" value="1.435">1, 435 m</quantity>
,
<date value="2015-03-18">18 Mar 2015</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 273-282
</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.54" unit="m" value="1.54">1,540 m</quantity>
,
<date value="2016-02-09">9 Feb 2016</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al
</emphasis>
.
<emphasis italics="true" pageId="0" pageNumber="1">759</emphasis>
(CIB).
<emphasis bold="true" pageId="0" pageNumber="1">Mun. Jilotepec</emphasis>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.3" unit="m" value="1.3">1,300 m</quantity>
,
<date value="1980-02-29">29 Feb 1980</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">A.P. Vovides 470</emphasis>
(XAL),
<emphasis italics="true" pageId="0" pageNumber="1">471</emphasis>
(IBUG, MEXU, XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.3" unit="m" value="1.3">1,300 m</quantity>
,
<date value="1982-04-14">14 Apr 1982</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">735</emphasis>
(XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.385" unit="m" value="1.385">1,385 m</quantity>
,
<date value="1978-11-15">15 Nov 1978</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">E. Estrada et al. 757</emphasis>
(MEXU);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.316" unit="m" value="1.316">1,316 m</quantity>
,
<date value="2014-08-22">22 Aug 2014</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
</emphasis>
&amp;
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
2067
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">2086</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.35" unit="m" value="1.35">1,350 m</quantity>
,
<date value="1970-12-07">7 Dec 1970</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">F. Ventura A. 2936</emphasis>
(ENCB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.3" unit="m" value="1.3">1,300 m</quantity>
,
<date value="1971-01-22">22 Jan 1971</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">F. Ventura A. 3014</emphasis>
(ENCB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.3" unit="m" value="1.3">1,300 m</quantity>
,
<date value="1974-11-18">18 Nov 1974</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">J. Rees 1620</emphasis>
(XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.363" unit="m" value="1.363">1,363 m</quantity>
,
<date value="2015-05-29">29 May 2015</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 573
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">583</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.25" unit="m" value="1.25">1,250 m</quantity>
,
<date value="1973-08-23">23 Aug 1973</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">M.G. Zola 657</emphasis>
(XAL),
<emphasis italics="true" pageId="0" pageNumber="1">667</emphasis>
(MEXU, XAL);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.25" unit="m" value="1.25">1,250 m</quantity>
,
<date value="1975-08-23">23 Aug 1975</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">R. Ortega J. 525</emphasis>
(XAL);
<date value="2001-03">Mar 2001</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
S.
<normalizedToken originalValue="Avendaño">Avendano</normalizedToken>
5395
</emphasis>
(MEXU).
<emphasis bold="true" pageId="0" pageNumber="1">
Mun.
<normalizedToken originalValue="Tepetlán">Tepetlan</normalizedToken>
</emphasis>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.42" unit="m" value="1.42">1,420 m</quantity>
,
<date value="2013-01-12">12 Jan 2013</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
et al. 1691
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">1710</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.418" unit="m" value="1.418">1,418 m</quantity>
,
<date value="2014-06-21">21 Jun 2014</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
&amp; L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
2001
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">2004</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.418" unit="m" value="1.418">1,418 m</quantity>
,
<date value="2014-08-22">22 Aug 2014</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
&amp; L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
2047
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">2066</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.662" unit="m" value="1.662">1,662 m</quantity>
,
<date value="2015-04-10">10 Apr 2015</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
&amp; L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
2217
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">2226</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.421" unit="m" value="1.421">1,421 m</quantity>
,
<date value="2014-07-26">26 Jul 2014</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 160
</emphasis>
(CIB);
<date value="2015-03-22">22 Mar 2015</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
&amp; F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
283
</emphasis>
-
<emphasis italics="true" pageId="0" pageNumber="1">293</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.662" unit="m" value="1.662">1,662 m</quantity>
,
<date value="2015-04-10">10 Apr 2015</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
&amp; F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
545-555
</emphasis>
(CIB);
<date value="2010-07-02">2 Jul 2010</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
M.
<normalizedToken originalValue="Vázquez-Torres">Vazquez-Torres</normalizedToken>
et al. 9215
</emphasis>
(CIB).
<emphasis bold="true" pageId="0" pageNumber="1">Mun. Tlacolulan</emphasis>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.54" unit="m" value="1.54">1,540 m</quantity>
,
<date value="2017-06-16">16 Jun 2017</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
et al. 2516
</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.54" unit="m" value="1.54">1,540 m</quantity>
,
<date value="2017-06-16">16 Jun 2017</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 1041, 1042
</emphasis>
(CIB).
<emphasis bold="true" pageId="0" pageNumber="1">Mun. Xalapa</emphasis>
,
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.27" unit="m" value="1.27">1,270 m</quantity>
,
<date value="2016-10-18">18 Oct 2016</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
F.
<normalizedToken originalValue="Nicolalde-Morejón">Nicolalde-Morejon</normalizedToken>
et al. 2466-2468
</emphasis>
(CIB);
<quantity metricMagnitude="0" metricUnit="m" metricValue="1.27" unit="m" value="1.27">1,270 m</quantity>
,
<date value="2016-10-18">18 Oct 2016</date>
,
<emphasis italics="true" pageId="0" pageNumber="1">
L.
<normalizedToken originalValue="Martínez-Domínguez">Martinez-Dominguez</normalizedToken>
et al. 985, 987
</emphasis>
(CIB), 986 (CIB, MEXU).
</paragraph>
</subSubSection>
</treatment>
</document>