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<document id="20F3772342DD124E2507E2E14835369D" ID-DOI="10.11646/phytotaxa.329.1.3" ID-ISSN="1179-3163" ID-Zenodo-Dep="13721572" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725662659513" checkinUser="felipe" docAuthor="Acuña, Rafael &amp; Weigend, Maximilian" docDate="2017" docId="03C687E8FF8AFFCFFF5CFC523A6A56F2" docLanguage="en" docName="phytotaxa.329.1.3.pdf" docOrigin="Phytotaxa 329 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.329.1.3" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Presliophytum Weigend 2006" docType="treatment" docVersion="2" lastPageNumber="57" masterDocId="FFFFFF90FF8CFFC8FFD4FFE63960562F" masterDocTitle="A taxonomic revision of the western South American genus Presliophytum (Loasaceae)" masterLastPageNumber="68" masterPageNumber="51" pageNumber="57" updateTime="1725673648499" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="E77180AB492EDC9D9C8100F97D314159">A taxonomic revision of the western South American genus Presliophytum (Loasaceae)</mods:title>
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<mods:affiliation id="6E6A12B75BA1AB2AFDEAF4AE157BBDD8">Universität Bonn, Nees-Institut für Biodiversität der Pflanzen, Meckenheimer Allee 170, 53115 Bonn, Germany. &amp; Universidad de Costa Rica, Escuela de Biología, Apdo. Postal: 11501 - 2060 San Pedro de Mondes de Oca, Costa Rica</mods:affiliation>
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<mods:namePart id="4D6B6172D3FB03A012026A4B2FD11BB1">Weigend, Maximilian</mods:namePart>
<mods:affiliation id="67E78375A4CB1E9988F14E78A5B07993">Universität Bonn, Nees-Institut für Biodiversität der Pflanzen, Meckenheimer Allee 170, 53115 Bonn, Germany.</mods:affiliation>
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<subSubSection id="C3756575FF8AFFCEFF5CFC523BA655E0" box="[136,710,948,975]" pageId="6" pageNumber="57" type="nomenclature">
<paragraph id="8BD036FEFF8AFFCEFF5CFC523BA655E0" blockId="6.[136,710,948,975]" box="[136,710,948,975]" pageId="6" pageNumber="57">
<heading id="D0988192FF8AFFCEFF5CFC523BA655E0" box="[136,710,948,975]" fontSize="11" level="2" pageId="6" pageNumber="57" reason="3">
<taxonomicName id="4C6F4D7DFF8AFFCEFF5CFC523BA655E0" ID-CoL="6VL6" authority="(Urb. &amp; Gilg) Weigend (2006: 467)" authorityName="Weigend" authorityPageNumber="467" authorityYear="2006" baseAuthorityName="Urb. &amp; Gilg" box="[136,710,948,975]" class="Magnoliopsida" family="Loasaceae" genus="Presliophytum" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="genus">
<emphasis id="B91BEAECFF8AFFCEFF5CFC52385055E0" bold="true" box="[136,304,948,975]" italics="true" pageId="6" pageNumber="57">Presliophytum</emphasis>
(Urb. &amp; Gilg) Weigend (2006: 467)
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="C3756575FF8AFFCEFF5CFC3A3B8B55DE" box="[136,747,988,1009]" pageId="6" pageNumber="57" type="reference_group">
<paragraph id="8BD036FEFF8AFFCEFF5CFC3A3B8B55DE" blockId="6.[136,1176,988,1045]" box="[136,747,988,1009]" pageId="6" pageNumber="57">
<treatmentCitationGroup id="AB7F11D0FF8AFFCEFF5CFC3A3B8B55DE" box="[136,747,988,1009]" pageId="6" pageNumber="57">
<taxonomicName id="4C6F4D7DFF8AFFCEFF48FC3A3B4C55DE" ID-CoL="8H5C" authority="Urb. &amp; Gilg" authorityName="Urb. &amp; Gilg" box="[156,556,988,1009]" class="Magnoliopsida" family="Loasaceae" genus="Loasa" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="section" section="Presliophytum">
<emphasis id="B91BEAECFF8AFFCEFF48FC3A39B755DE" box="[156,215,988,1009]" italics="true" pageId="6" pageNumber="57">Loasa</emphasis>
section
<emphasis id="B91BEAECFF8AFFCEFEF2FC3A38D155DE" box="[294,433,988,1009]" italics="true" pageId="6" pageNumber="57">Presliophytum</emphasis>
Urb. &amp; Gilg
</taxonomicName>
in
<treatmentCitation id="0ACE10EFFF8AFFCEFD9FFC3A3B8B55DE" author="Gilg, E." box="[587,747,988,1009]" page="118" pageId="6" pageNumber="57" year="1894">
<bibRefCitation id="EFFE4B0FFF8AFFCEFD9FFC3A3B8B55DE" author="Gilg, E." box="[587,747,988,1009]" pageId="6" pageNumber="57" pagination="100 - 121" refId="ref14963" refString="Gilg, E. (1894) Loasaceae. In: Engler, A. &amp; Prantl, K. (Eds.) Die naturlichen Pflanzenfamilien III: Teil. 6. Abteilung a. Wilhelm Engelmann, Leipzig, pp. 100 - 121." type="book chapter" year="1894">Gilg (1894: 118)</bibRefCitation>
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<subSubSection id="C3756575FF8AFFCEFF5CFBE63A9950EC" pageId="6" pageNumber="57" type="type_taxon">
<paragraph id="8BD036FEFF8AFFCEFF5CFBE63DF8523A" blockId="6.[136,1176,988,1045]" box="[136,1176,1024,1045]" pageId="6" pageNumber="57">
<emphasis id="B91BEAECFF8AFFCEFF5CFBE63867523A" bold="true" box="[136,263,1024,1045]" pageId="6" pageNumber="57">
<typeStatus id="54D4885CFF8AFFCEFF5CFBE639DA523A" box="[136,186,1024,1045]" pageId="6" pageNumber="57">Type</typeStatus>
species
</emphasis>
:
<taxonomicName id="4C6F4D7DFF8AFFCEFEC0FBE63A4C523A" ID-CoL="4MBD7" authority="(Graham) Weigend (2006: 467)" authorityName="Weigend" authorityPageNumber="467" authorityYear="2006" baseAuthorityName="Graham" box="[276,812,1024,1045]" class="Magnoliopsida" family="Loasaceae" genus="Presliophytum" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="species" species="incanum">
<emphasis id="B91BEAECFF8AFFCEFEC0FBE63898523A" box="[276,504,1024,1045]" italics="true" pageId="6" pageNumber="57">Presliophytum incanum</emphasis>
(Graham) Weigend (2006: 467)
</taxonomicName>
<taxonomicName id="4C6F4D7DFF8AFFCEFC91FBE63DF3523A" ID-CoL="3VQWB" authority="Graham (1830: 169)" authorityName="Graham" authorityPageNumber="169" authorityYear="1830" box="[837,1171,1024,1045]" class="Magnoliopsida" family="Loasaceae" genus="Loasa" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="species" species="incana">
<emphasis id="B91BEAECFF8AFFCEFC91FBE63AA7523A" box="[837,967,1024,1045]" italics="true" pageId="6" pageNumber="57">Loasa incana</emphasis>
<bibRefCitation id="EFFE4B0FFF8AFFCEFC19FBE63DF3523A" author="Graham, R." box="[973,1171,1024,1045]" pageId="6" pageNumber="57" pagination="166 - 172" refId="ref14874" refString="Graham, R. (1830) Description of several new or rare plants which have lately flowered in the neighbourhood of Edinburgh, and chiefly in the Royal Botanical Garden. The Edinburgh New Philosophical Journal 10: 166 - 172." type="journal article" year="1830">Graham (1830: 169)</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="8BD036FEFF8AFFCEFF5CFBA03A9950EC" blockId="6.[136,1452,1094,2091]" pageId="6" pageNumber="57">
Erect
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tall, densely branched herbs to shrubs (rarely poorly branched herbs &lt;
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tall) with stinging hairs. Scabrid hairs abundant on most surfaces, especially on abaxial leaf blade and outer ovary, glandular trichomes sometimes present on leaves and younger stems. Taproot present, usually thickened and fleshy, rarely thin and poorly branched. Leaves shallowly lobate, rarely toothed or sub-entire, mostly alternate (except lowermost pairs), petiole
<quantity id="4C979B1BFF8AFFCEFF5CFB30386452C0" box="[136,260,1238,1263]" metricMagnitude="-2" metricUnit="m" metricValue="5.15" metricValueMax="10.0" metricValueMin="0.3" pageId="6" pageNumber="57" unit="mm" value="51.5" valueMax="100.0" valueMin="3.0">3100 mm</quantity>
, lamina 12170 ×
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, ovate to reniform with crenate margin, rarely weakly toothed, base cuneate to deeply cordate, apices of lobes and blade, acute to rounded. Inflorescences complex dichasia, to ca.
<quantity id="4C979B1BFF8AFFCEFAC2FB1C3C0A533C" box="[1302,1386,1274,1299]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="57" unit="cm" value="100.0">100 cm</quantity>
long, symmetrical (in extra-Peruvian species) or asymmetrical (in shrubby Peruvian species); each flower erect or horizontal to deflexed in anthesis, with 2 foliose prophylls (flowers apparently irregularly alternating with foliage leaves, due to concaulescence and recaulescence) 3.060 × 1.0
<quantity id="4C979B1BFF8AFFCEFD31FA803A595350" box="[741,825,1382,1407]" metricMagnitude="-2" metricUnit="m" metricValue="6.5" pageId="6" pageNumber="57" unit="mm" value="65.0">65 mm</quantity>
, similar to leaves in morphology but smaller and less disected; sepals five, 2.012 ×
<quantity id="4C979B1BFF8AFFCEFE3DFA6C3B0B538C" box="[489,619,1418,1443]" metricMagnitude="-3" metricUnit="m" metricValue="5.25" metricValueMax="10.0" metricValueMin="0.5" pageId="6" pageNumber="57" unit="mm" value="5.25" valueMax="10.0" valueMin="0.5">0.510 mm</quantity>
green, 3-veined, with entire margins; petals five, 4.0
<quantity id="4C979B1BFF8AFFCEFB01FA6C3C44538C" box="[1237,1316,1418,1443]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="6" pageNumber="57" unit="mm" value="25.0">25 mm</quantity>
long, white (often slightly tinged green or cream) or yellow; nectar scales five,
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long, white, yellow or greenish, usually unicolored, rarely bicolored white and yellow or green, with 3 dorsal threads 0.57.0 mm long, claviform (shorter than the nectar scale) or filiform (almost as long or longer than the nectar scale). Staminodes 2 per scale,
<quantity id="4C979B1BFF8AFFCEFB2BFA103C0B5020" box="[1279,1387,1526,1551]" metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="15.0" metricValueMin="4.0" pageId="6" pageNumber="57" unit="mm" value="9.5" valueMax="15.0" valueMin="4.0">415 mm</quantity>
long. Stamens 30130. Style
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long, straight (twisting after fertilization), ovary inferior, placentae 3 to 5, rarely 2. Fruit a capsule, 515 ×
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, obconical or cylindrical to obovoid or subglobose, opening with 35 apical valves (rarely apparently indehiscent); seeds 0.54.0 mm ×
<quantity id="4C979B1BFF8AFFCEFD09F9843A075054" box="[733,871,1634,1659]" metricMagnitude="-4" metricUnit="m" metricValue="8.5" metricValueMax="15.0" metricValueMin="2.0" pageId="6" pageNumber="57" unit="mm" value="0.85" valueMax="1.5" valueMin="0.2">0.21.5 mm</quantity>
, testa dark to tan brown, foveate-reticulate, or with 618 transversal constrictions. 2n = 12, 24 (
<bibRefCitation id="EFFE4B0FFF8AFFCEFDBAF9603B8950B0" author="Grau, J." box="[622,745,1670,1695]" pageId="6" pageNumber="57" pagination="7 - 14" refId="ref14917" refString="Grau, J. (1988) Chromosomenzahlen chilenischer Loasaceae. Mitteilungen der Botanischen Staatssammlung Munchen 27: 7 - 14." type="journal article" year="1988">Grau 1988</bibRefCitation>
, Weigend 2004). Five species from the xeric regions of western
<collectingCountry id="F378766EFF8AFFCEFF5CF94C39DE50EC" box="[136,190,1706,1731]" name="Peru" pageId="6" pageNumber="57">Peru</collectingCountry>
, through northern
<collectingCountry id="F378766EFF8AFFCEFE59F94C38AA50EC" box="[397,458,1706,1731]" name="Chile" pageId="6" pageNumber="57">Chile</collectingCountry>
into western
<collectingCountry id="F378766EFF8AFFCEFDB4F94C3BB250EC" box="[608,722,1706,1731]" name="Argentina" pageId="6" pageNumber="57">Argentina</collectingCountry>
, frequent on rocky slopes.
</paragraph>
</subSubSection>
<subSubSection id="C3756575FF8AFFCFFF69F9283A6A56F2" lastPageId="7" lastPageNumber="58" pageId="6" pageNumber="57" type="etymology">
<paragraph id="8BD036FEFF8AFFCEFF69F9283BC65124" blockId="6.[136,1452,1094,2091]" pageId="6" pageNumber="57">
<emphasis id="B91BEAECFF8AFFCEFF69F928380D50C9" bold="true" box="[189,365,1740,1767]" pageId="6" pageNumber="57">
Etymology:—
<emphasis id="B91BEAECFF8AFFCEFEB0F92A380D50C9" bold="true" box="[356,365,1740,1766]" italics="true" pageId="6" pageNumber="57"></emphasis>
</emphasis>
Plant of Presl. Dedicated to the Czech botanist Carl Presl who made important contributions to the knowledge of
<taxonomicName id="4C6F4D7DFF8AFFCEFE86F91438A75124" baseAuthorityName="Weigend" baseAuthorityYear="1997" box="[338,455,1778,1803]" class="Magnoliopsida" family="Loasaceae" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="family">Loasaceae</taxonomicName>
in the 19th century.
</paragraph>
<paragraph id="8BD036FEFF8AFFCFFF69F8F03A6A56F2" blockId="6.[136,1452,1094,2091]" lastBlockId="7.[136,1451,160,221]" lastPageId="7" lastPageNumber="58" pageId="6" pageNumber="57">
<emphasis id="B91BEAECFF8AFFCEFF69F8F0381B5100" bold="true" box="[189,379,1814,1839]" pageId="6" pageNumber="57">Similar taxa:—</emphasis>
Due to its distribution in xeric regions, alternate phyllotaxis and star-shaped, pale corollas,
<taxonomicName id="4C6F4D7DFF8AFFCEFF5CF8DC384A517C" authorityName="Weigend" authorityYear="2006" baseAuthorityName="Urb. &amp; Gilg" box="[136,298,1850,1875]" class="Magnoliopsida" family="Loasaceae" genus="Presliophytum" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="genus">
<emphasis id="B91BEAECFF8AFFCEFF5CF8DC384A517C" box="[136,298,1850,1875]" italics="true" pageId="6" pageNumber="57">Presliophytum</emphasis>
</taxonomicName>
could be confused superficially with the following
<taxonomicName id="4C6F4D7DFF8AFFCEFC5DF8DC3A9E517C" baseAuthorityName="Weigend" baseAuthorityYear="1997" box="[905,1022,1850,1875]" class="Magnoliopsida" family="Loasaceae" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="family">Loasaceae</taxonomicName>
taxa (characters of
<taxonomicName id="4C6F4D7DFF8AFFCEFB3DF8DC3CEB517C" authorityName="Weigend" authorityYear="2006" baseAuthorityName="Urb. &amp; Gilg" box="[1257,1419,1850,1875]" class="Magnoliopsida" family="Loasaceae" genus="Presliophytum" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="genus">
<emphasis id="B91BEAECFF8AFFCEFB3DF8DC3CEB517C" box="[1257,1419,1850,1875]" italics="true" pageId="6" pageNumber="57">Presliophytum</emphasis>
</taxonomicName>
in parentheses). Both
<taxonomicName id="4C6F4D7DFF8AFFCEFEB3F8B838BC5158" authorityName="Gay" authorityYear="1847" box="[359,476,1886,1911]" class="Magnoliopsida" family="Loasaceae" genus="Huidobria" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="genus">
<emphasis id="B91BEAECFF8AFFCEFEB3F8B838BC5158" box="[359,476,1886,1911]" italics="true" pageId="6" pageNumber="57">Huidobria</emphasis>
</taxonomicName>
have stinging trichomes absent (vs. present), nectar scales formed by four or more stamens (vs. always three, as indicated by the number of dorsal threads in each taxon) and seed testa either longitudinally striate or smooth to irregularly wrinkled (vs. foveate-reticulate or transversally constricted).
<taxonomicName id="4C6F4D7DFF8AFFCEFB56F84039B951CC" pageId="6" pageNumber="57">
<emphasis id="B91BEAECFF8AFFCEFB56F8403DDC5190" box="[1154,1212,1958,1983]" italics="true" pageId="6" pageNumber="57">Nasa</emphasis>
Weigend (2006: 465) species
</taxonomicName>
with star-shaped, pale corollas have flowers pendent (vs. usually erect), dorsal threads on nectar scales absent (vs present), and seed testa reticulate (vs. foveate-reticulate or transversally constricted).
<taxonomicName id="4C6F4D7DFF8AFFCEFB5CF80838745E04" authority="Urb. &amp; Gilg" authorityName="Urb. &amp; Gilg" class="Magnoliopsida" family="Loasaceae" genus="Loasa" kingdom="Plantae" order="Cornales" pageId="6" pageNumber="57" phylum="Tracheophyta" rank="series" series="Floribundae">
<emphasis id="B91BEAECFF8AFFCEFB5CF8083DAC5E28" box="[1160,1228,2030,2055]" italics="true" pageId="6" pageNumber="57">Loasa</emphasis>
series
<emphasis id="B91BEAECFF8AFFCEFACBF8083CCB5E28" box="[1311,1451,2030,2055]" italics="true" pageId="6" pageNumber="57">Floribundae</emphasis>
Urb. &amp; Gilg
</taxonomicName>
in
<bibRefCitation id="EFFE4B0FFF8AFFCEFEEEF7F438925E04" author="Gilg, E." box="[314,498,2066,2091]" pageId="6" pageNumber="57" pagination="100 - 121" refId="ref14963" refString="Gilg, E. (1894) Loasaceae. In: Engler, A. &amp; Prantl, K. (Eds.) Die naturlichen Pflanzenfamilien III: Teil. 6. Abteilung a. Wilhelm Engelmann, Leipzig, pp. 100 - 121." type="book chapter" year="1894">Gilg (1894: 116</bibRefCitation>
, 117) occasionally have alternate phyllotaxis, but have flowers pendent (vs. usually erect), nectar scales with red markings evident (vs. red absent), fruits semisuperior (vs. inferior) and seed testa deeply pitted (vs. foveate-reticulate or transversally constricted).
</paragraph>
</subSubSection>
</treatment>
</document>