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<document ID-DOI="10.11646/phytotaxa.586.1.1" ID-ISSN="1179-3163" ID-Zenodo-Dep="7703999" approvalRequired="232" approvalRequired_for_taxonomicNames="29" approvalRequired_for_textStreams="193" approvalRequired_for_treatments="10" checkinTime="1678177928415" checkinUser="plazi" docAuthor="Castillón, Eduardo Estrada, Quintanilla, José Ángel Villarreal, Delgado-Salinas, Alfonso &amp; Rebman, Jon P." docDate="2023" docId="0D132D31FF805F36B6AEAA3AFB512A58" docLanguage="en" docName="phytotaxa.586.1.1.pdf" docOrigin="Phytotaxa 586 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.586.1.1" docStyle="DocumentStyle:F08184CE06D8A97EA3E6DE35D99648B0.1:Phytotaxa.2014-.monograph" docStyleId="F08184CE06D8A97EA3E6DE35D99648B0" docStyleName="Phytotaxa.2014-.monograph" docStyleVersion="1" docTitle="Astragalus cenorrhynchus Barneby, Brittonia 1982" docType="treatment" docVersion="2" lastPageNumber="1935" masterDocId="F12A5549FF9A5F2DB626AC58FFBA281C" masterDocTitle="The genus Astragalus (Leguminosae: Papilionoideae: Galegeae) in Mexico" masterLastPageNumber="1935" masterPageNumber="1921" pageNumber="1921" updateTime="1678180587960" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>The genus Astragalus (Leguminosae: Papilionoideae: Galegeae) in Mexico</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Castillón, Eduardo Estrada</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0003-1061-9862</mods:nameIdentifier>
<mods:affiliation>Universidad Autónoma de Nuevo León, Facultad de Ciencias Forestales, A. P. 41, 67700, Linares, Nuevo León, Mexico aeduardoestradac @ prodigy. net. mx; https: // orcid. org / 0000 - 0003 - 1061 - 9862</mods:affiliation>
<mods:nameIdentifier type="email">aeduardoestradac@prodigy.net.mx</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Quintanilla, José Ángel Villarreal</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-9672-8693</mods:nameIdentifier>
<mods:affiliation>Universidad Autónoma Agraria Antonio Narro, Departamento de Botánica, Saltillo, Coahuila, Mexico javillarreal 00 @ yahoo. com; https: // orcid. org / 0000 - 0001 - 9672 - 8693</mods:affiliation>
<mods:nameIdentifier type="email">javillarreal00@yahoo.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Delgado-Salinas, Alfonso</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-9322-9968</mods:nameIdentifier>
<mods:affiliation>Universidad Nacional Autónoma de México, Instituto de Biología, 21068 adelgado @ ib. unam. mx; https: // orcid. org / 0000 - 0002 - 9322 - 9968</mods:affiliation>
<mods:nameIdentifier type="email">adelgado@ib.unam.mx</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Rebman, Jon P.</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0003-1061-9862</mods:nameIdentifier>
<mods:affiliation>Universidad Autónoma de Nuevo León, Facultad de Ciencias Forestales, A. P. 41, 67700, Linares, Nuevo León, Mexico aeduardoestradac @ prodigy. net. mx; https: // orcid. org / 0000 - 0003 - 1061 - 9862 &amp; San Diego Natural History Museum, P. O. Box 121390, San Diego, California, 92112 jrebman @ sdnhm. org; https: // orcid. org / 0000 - 0002 - 4150 - 7356 &amp; Universidad Autónoma de Nuevo León, Facultad de Ciencias Forestales, A. P. 41, 67700, Linares, Nuevo León, Mexico aeduardoestradac @ prodigy. net. mx; https: // orcid. org / 0000 - 0003 - 1061 - 9862</mods:affiliation>
<mods:nameIdentifier type="email">aeduardoestradac@prodigy.net.mx</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-03-07</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>586</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1921</mods:start>
<mods:end>1935</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.11646/phytotaxa.586.1.1</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.11646/phytotaxa.586.1.1</mods:identifier>
<mods:identifier type="ISSN">1179-3163</mods:identifier>
<mods:identifier type="Zenodo-Dep">7703999</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:0D132D31FF805F36B6AEAA3AFB512A58" httpUri="http://treatment.plazi.org/id/0D132D31FF805F36B6AEAA3AFB512A58" lastPageId="27" pageId="26">
<subSubSection box="[136,920,1634,1661]" pageId="26" type="nomenclature">
<paragraph blockId="26.[136,920,1634,1661]" box="[136,920,1634,1661]" pageId="26">
<emphasis bold="true" box="[136,171,1634,1660]" pageId="26">10.</emphasis>
<taxonomicName ID-CoL="HWZ9" authority="Barneby, Brittonia" authorityName="Barneby, Brittonia" authorityYear="1982" box="[178,698,1634,1661]" class="Magnoliopsida" family="Fabaceae" genus="Astragalus" kingdom="Plantae" order="Fabales" pageId="26" phylum="Tracheophyta" rank="species" species="cenorrhynchus">
<treatmentCitation author="Barneby" box="[178,484,1634,1661]" issue="1" journal="Brittonia" page="78" pageId="26" score="9.729594737742866" volume="34" year="1982">
<emphasis bold="true" box="[178,484,1634,1661]" italics="true" pageId="26">Astragalus cenorrhynchus</emphasis>
</treatmentCitation>
Barneby, Brittonia
</taxonomicName>
34(1): 7880. 1982
</paragraph>
</subSubSection>
<subSubSection lastPageId="27" pageId="26" type="materials_examined">
<paragraph blockId="26.[136,1373,1710,1732]" box="[136,1373,1710,1732]" pageId="26">
<materialsCitation box="[136,1370,1710,1732]" collectionCode="NY" country="Mexico" county="Type" location="Novemeber" municipality="Tepescolula" pageId="26" specimenCount="1" stateProvince="Oaxaca" typeStatus="holotype">
<collectingCounty box="[136,186,1710,1732]" pageId="26">Type</collectingCounty>
:—
<collectingCountry box="[215,291,1710,1732]" name="Mexico" pageId="26">Mexico</collectingCountry>
,
<collectingRegion box="[300,374,1710,1731]" country="Mexico" name="Oaxaca" pageId="26">Oaxaca</collectingRegion>
, steep gullied hillsides, near
<collectingMunicipality box="[650,767,1710,1732]" pageId="26">Tepescolula</collectingMunicipality>
, 6
<location LSID="urn:lsid:plazi:treatment:0D132D31FF805F36B6AEAA3AFB512A58:8065CAFCFF805F37B53DAAF6FC312ED8" box="[795,907,1710,1732]" country="Mexico" county="Type" municipality="Tepescolula" name="Novemeber" pageId="26" stateProvince="Oaxaca">Novemeber</location>
1964,
<emphasis box="[973,1212,1710,1731]" italics="true" pageId="26">
<location LSID="urn:lsid:plazi:treatment:0D132D31FF805F36B6AEAA3AFB512A58:8065CAFCFF805F37B5EBAAF6FBB02EDF" box="[973,1034,1710,1731]" country="Mexico" county="Type" municipality="Tepescolula" name="Ripley" pageId="26" stateProvince="Oaxaca">Ripley</location>
13664 &amp;
<location LSID="urn:lsid:plazi:treatment:0D132D31FF805F36B6AEAA3AFB512A58:8065CAFCFF805F37B24DAAF6FB062EDF" box="[1131,1212,1710,1731]" country="Mexico" county="Type" municipality="Tepescolula" name="Barneby" pageId="26" stateProvince="Oaxaca">Barneby</location>
</emphasis>
(
<typeStatus box="[1224,1310,1710,1732]" pageId="26">holotype</typeStatus>
<collectionCode box="[1316,1358,1710,1731]" country="USA" lsid="urn:lsid:biocol.org:col:15556" name="William and Lynda Steere Herbarium of the New York Botanical Garden" pageId="26" type="Herbarium">NY</collectionCode>
!)
</materialsCitation>
.
</paragraph>
<paragraph blockId="26.[136,1452,1778,2093]" lastBlockId="27.[136,1452,158,581]" lastPageId="27" pageId="26">
Perennial, subterranean
<emphasis bold="true" box="[413,480,1778,1804]" pageId="26">stems</emphasis>
up to
<quantity box="[562,635,1778,1805]" metricMagnitude="-1" metricUnit="m" metricValue="2.0" pageId="26" unit="cm" value="20.0">20 cm</quantity>
long, aereal stems
<quantity box="[865,951,1778,1805]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="4.0" metricValueMin="1.0" pageId="26" unit="cm" value="2.5" valueMax="4.0" valueMin="1.0">14 cm</quantity>
long, pubescence strigulose, the trichomes appressed, straight up to
<quantity box="[410,544,1814,1841]" metricMagnitude="-4" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="26" unit="mm" value="0.35" valueMax="0.4" valueMin="0.3">0.30.4 mm</quantity>
long, the narrow.
<emphasis bold="true" box="[742,837,1814,1840]" pageId="26">Stipules</emphasis>
of
<specimenCount box="[872,982,1815,1841]" pageId="26" type="generic" typeStatus="types">two types</specimenCount>
, the basal ones, mostly in the subterranean part, semiclasping,
<quantity box="[353,466,1850,1877]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="26" unit="mm" value="1.25" valueMax="1.5" valueMin="1.0">11.5 mm</quantity>
long, the upper ones ovate to lanceolate,
<quantity box="[926,1039,1850,1877]" metricMagnitude="-3" metricUnit="m" metricValue="3.75" metricValueMax="6.0" metricValueMin="1.5" pageId="26" unit="mm" value="3.75" valueMax="6.0" valueMin="1.5">1.56 mm</quantity>
long, free.
<emphasis bold="true" box="[1165,1247,1850,1876]" pageId="26">Leaves</emphasis>
few and small, up to
<quantity box="[166,222,1886,1913]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="26" unit="cm" value="5.0">5 cm</quantity>
long, leaflets 915,
<quantity box="[455,562,1886,1913]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" metricValueMax="11.0" metricValueMin="3.0" pageId="26" unit="mm" value="7.0" valueMax="11.0" valueMin="3.0">311 mm</quantity>
long, linear, linear-oblancoelate to linear-elliptic, densely pubescent abaxially, glabrous adaxially.
<emphasis bold="true" box="[360,480,1922,1948]" pageId="26">Peduncles</emphasis>
only one per plant, sub-basal,
<quantity box="[839,967,1922,1949]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" metricValueMax="2.5" metricValueMin="1.5" pageId="26" unit="cm" value="2.0" valueMax="2.5" valueMin="1.5">1.52.5 cm</quantity>
long, ascending or curved, racemes up to
<quantity box="[136,195,1958,1985]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="26" unit="cm" value="1.0">1 cm</quantity>
long, 710 flowered, the flowers soon deflexed, both peduncles and racemes with dense black pubescence.
<emphasis bold="true" box="[136,231,1994,2020]" pageId="26">Flowers</emphasis>
green-yellow, concolorous; the calyx 4.25.8 ×
<quantity box="[774,912,1994,2021]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" metricValueMax="2.4" metricValueMin="2.2" pageId="26" unit="mm" value="2.3" valueMax="2.4" valueMin="2.2">2.22.4 mm</quantity>
, the tube
<quantity box="[1021,1137,1994,2021]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" metricValueMax="3.0" metricValueMin="2.6" pageId="26" unit="mm" value="2.8" valueMax="3.0" valueMin="2.6">2.63 mm</quantity>
, the teeth
<quantity box="[1252,1388,1994,2021]" metricMagnitude="-3" metricUnit="m" metricValue="2.2" metricValueMax="2.8" metricValueMin="1.6" pageId="26" unit="mm" value="2.2" valueMax="2.8" valueMin="1.6">1.62.8 mm</quantity>
long, subulate; the banner 88.5 ×
<quantity box="[466,533,2030,2057]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="26" unit="mm" value="6.0">6 mm</quantity>
, obovate, basally cuneate, the wings 5.66.2 ×
<quantity box="[1069,1184,2030,2057]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" metricValueMax="1.2" metricValueMin="1.0" pageId="26" unit="mm" value="1.1" valueMax="1.2" valueMin="1.0">11.2 mm</quantity>
, the claw
<quantity box="[1309,1447,2030,2057]" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.3" metricValueMin="1.2" pageId="26" unit="mm" value="1.25" valueMax="1.3" valueMin="1.2">1.21.3 mm</quantity>
, the blade
<quantity box="[248,385,2066,2093]" metricMagnitude="-3" metricUnit="m" metricValue="4.8" metricValueMax="5.2" metricValueMin="4.4" pageId="26" unit="mm" value="4.8" valueMax="5.2" valueMin="4.4">4.45.2 mm</quantity>
long; the keel 6 ×
<quantity box="[606,695,2066,2093]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="26" unit="mm" value="2.3">2.3 mm</quantity>
, the claw
<quantity box="[813,901,2066,2093]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="26" unit="mm" value="2.5">2.5 mm</quantity>
long, the balde
<quantity box="[1087,1175,2066,2093]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="26" unit="mm" value="3.5">3.5 mm</quantity>
long, incurved, apically triangular.
<emphasis bold="true" box="[261,308,158,184]" pageId="27">Pod</emphasis>
sessile, deflexed, 810 ×
<quantity box="[614,733,158,185]" metricMagnitude="-3" metricUnit="m" metricValue="4.75" metricValueMax="5.5" metricValueMin="4.0" pageId="27" unit="mm" value="4.75" valueMax="5.5" valueMin="4.0">45.5 mm</quantity>
, bilocular, trigonous in transversal view, ovoid to semi-ovoid, basally truncate, apically triangular-acuminate, ventrally carinate, lateral faces rounded, dorsally sulcate, the valves coriaceous, stramineous with age, septate, the septum
<quantity box="[749,815,230,257]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="27" unit="mm" value="2.0">2 mm</quantity>
wide; ovules 18; seeds
<quantity box="[1087,1223,230,257]" metricMagnitude="-3" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" pageId="27" unit="mm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.21.4 mm</quantity>
long, mtten shaped, brown, light brown, sublutrous to opaque.
</paragraph>
</subSubSection>
<subSubSection pageId="27" type="distribution">
<paragraph blockId="27.[136,1452,158,581]" box="[189,916,302,329]" pageId="27">
<emphasis bold="true" box="[189,373,302,328]" pageId="27">Distribution:—</emphasis>
Endemic to south of
<collectingCountry box="[606,694,302,328]" name="Mexico" pageId="27">Mexico</collectingCountry>
, in
<collectingRegion box="[735,819,302,328]" country="Mexico" name="Oaxaca" pageId="27">Oaxaca</collectingRegion>
(
<figureCitation box="[834,902,302,328]" captionStart="FIGURE 3" captionStartId="24.[136,229,1214,1236]" captionTargetBox="[161,1426,291,1186]" captionTargetId="figure-88@24.[151,1436,278,1186]" captionTargetPageId="24" captionText="FIGURE 3. Map showing the distribution of Astragalus arizonicus, A. brauntonii var. lativexillum, A. brazoensis, A. carminis, A. cenorrhynchus, and A. circumdatus in Mexico." figureDoi="http://doi.org/10.5281/zenodo.7704005" httpUri="https://zenodo.org/record/7704005/files/figure.png" pageId="27">Fig. 3</figureCitation>
).
</paragraph>
<paragraph blockId="27.[136,1452,158,581]" box="[189,971,338,365]" pageId="27">
<emphasis bold="true" box="[189,334,338,364]" pageId="27">Habitat:—S</emphasis>
teep gullied hillsides, in red sandy clay soil near
<quantity box="[880,967,338,365]" metricMagnitude="3" metricUnit="m" metricValue="2.4" pageId="27" unit="m" value="2400.0">2400 m</quantity>
,
</paragraph>
</subSubSection>
<subSubSection pageId="27" type="discussion">
<paragraph blockId="27.[136,1452,158,581]" pageId="27">
<emphasis bold="true" box="[189,356,374,400]" pageId="27">Comments:—</emphasis>
<taxonomicName authorityName="Barneby, Brittonia" authorityYear="1982" box="[356,553,374,401]" class="Magnoliopsida" family="Fabaceae" genus="Astragalus" kingdom="Plantae" order="Fabales" pageId="27" phylum="Tracheophyta" rank="species" species="cenorrhynchus">
<emphasis box="[356,553,374,401]" italics="true" pageId="27">A. cenorrhynchus</emphasis>
</taxonomicName>
resembles
<taxonomicName authority="Schau." authorityName="Schau." box="[679,921,374,401]" class="Magnoliopsida" family="Fabaceae" genus="Astragalus" kingdom="Plantae" order="Fabales" pageId="27" phylum="Tracheophyta" rank="species" species="hypoleucus">
<emphasis box="[679,836,374,401]" italics="true" pageId="27">A. hypoleucus</emphasis>
Schau.
</taxonomicName>
, which extends from central
<collectingCountry box="[329,415,410,436]" name="Mexico" pageId="27">Mexico</collectingCountry>
south to the margin of Tehuacan-Cuicatlan Desert along the Oaxaca-Puebla border.
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Astragalus" kingdom="Plantae" order="Fabales" pageId="27" phylum="Tracheophyta" rank="species" species="hypoleucus">
<emphasis italics="true" pageId="27">Astragalus hypoleucus</emphasis>
</taxonomicName>
differs however, in its dolabriform vesture, strongly connate upper stipules, and more slender pod 2.54 (not 2) times as long as its diameter (
<figureCitation box="[550,619,482,508]" captionStart="FIGURE 9" captionStartId="55.[136,229,1610,1632]" captionTargetBox="[151,1436,689,1583]" captionTargetId="figure-298@55.[151,1436,674,1583]" captionTargetPageId="55" captionText="FIGURE 9. Map showing the distribution of Astragalus goldmanii, A. greggii, A. gruinus, and A. guanajuatensis in Mexico." figureDoi="http://doi.org/10.5281/zenodo.7704017" httpUri="https://zenodo.org/record/7704017/files/figure.png" pageId="27">Fig. 9</figureCitation>
).
</paragraph>
<paragraph blockId="27.[136,1452,158,581]" pageId="27">
<emphasis bold="true" box="[189,476,518,544]" pageId="27">Specimens examined:—</emphasis>
<materialsCitation collectingDate="1964-11-06" collectionCode="NY" collectorName="Teposcolula. H. D. Ripley &amp; R. C. Barneby" location="OAXACA" pageId="27" specimenCount="1" stateProvince="Oaxaca">
<emphasis bold="true" box="[477,608,518,544]" pageId="27">
<collectingRegion box="[477,603,518,544]" country="Mexico" name="Oaxaca" pageId="27">OAXACA</collectingRegion>
:
</emphasis>
<date box="[615,821,518,544]" pageId="27" value="1964-11-06">
<collectingDate box="[615,821,518,544]" pageId="27" value="1964-11-06">6 November 1964</collectingDate>
</date>
, near
<collectorName box="[888,1178,518,544]" pageId="27">
Teposcolula.
<emphasis box="[1037,1178,518,544]" italics="true" pageId="27">H. D. Ripley</emphasis>
</collectorName>
&amp;
<collectorName box="[1214,1374,518,545]" pageId="27">R. C. Barneby</collectorName>
13664 (
<collectionCode box="[144,190,554,580]" country="USA" lsid="urn:lsid:biocol.org:col:15556" name="William and Lynda Steere Herbarium of the New York Botanical Garden" pageId="27" type="Herbarium">NY</collectionCode>
)
</materialsCitation>
;
<materialsCitation box="[210,1255,554,581]" collectingDate="2012-06-28" collectionCode="MEXU" collectorName="Tepsecolula, A &amp; J. M. Miguel &amp; A. Cruz &amp; L. Cruz" pageId="27" specimenCount="1" stateProvince="OAXACA">
<date box="[210,362,554,581]" pageId="27" value="2012-06-28">
<collectingDate box="[210,362,554,581]" pageId="27" value="2012-06-28">28 June 2012</collectingDate>
</date>
,
<collectorName box="[373,540,554,581]" pageId="27">
Tepsecolula,
<emphasis box="[520,540,555,581]" italics="true" pageId="27">A</emphasis>
</collectorName>
. Ibarra 82,
<collectorName box="[673,819,554,580]" pageId="27">J. M. Miguel</collectorName>
,
<collectorName box="[830,918,555,581]" pageId="27">A. Cruz</collectorName>
,
<collectorName box="[929,1016,555,581]" pageId="27">L. Cruz</collectorName>
,
<collectorName box="[1027,1112,555,581]" pageId="27">A. Cruz</collectorName>
R. (
<collectionCode box="[1158,1247,554,580]" country="Mexico" lsid="urn:lsid:biocol.org:col:15658" name="Universidad Nacional Autónoma de México" pageId="27" type="Herbarium">MEXU</collectionCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>