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<document id="FE9FC53142BCF6DFE671D66271C4920F" ID-DOI="10.11646/phytotaxa.447.1.9" ID-ISSN="1179-3163" ID-Zenodo-Dep="13878662" IM.bibliography_approvedBy="guilherme" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="guilherme" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="guilherme" checkinTime="1727832505554" checkinUser="felipe" docAuthor="Su, Fan, Guo, Ya-Nan, Zhou, Xin-Xin &amp; Wang, Rui-Jiang" docDate="2020" docId="6C00879AFFBC1538FF76F97BF7B6FE3B" docLanguage="en" docName="phytotaxa.447.1.9.pdf" docOrigin="Phytotaxa 447 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.447.1.9" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Mayaca fluviatilis Aublet, Hist. Pl. Guiane 1775" docType="treatment" docVersion="1" lastPageNumber="79" masterDocId="9039FFE2FFBC153AFFFEFFAAF327FFB4" masterDocTitle="Mayacaceae, a newly naturalized family for the Flora of China" masterLastPageNumber="80" masterPageNumber="77" pageNumber="77" updateTime="1749475905680" updateUser="guilherme" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="4D0BA770B5B9DD2615344BB7606785D5">Mayacaceae, a newly naturalized family for the Flora of China</mods:title>
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<mods:namePart id="A91BA6760DA12DC41BE788E2F776799A">Su, Fan</mods:namePart>
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<mods:namePart id="F0A5441DE0D7CDBD5D7EEEDFAE0B45F6">Guo, Ya-Nan</mods:namePart>
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<mods:namePart id="E81A7298801EA603E5EB0519B60EF4C8">Zhou, Xin-Xin</mods:namePart>
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<mods:namePart id="3D75DC43899E6C343FF4A4EEBA0189DB">Wang, Rui-Jiang</mods:namePart>
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<treatment id="6C00879AFFBC1538FF76F97BF7B6FE3B" LSID="urn:lsid:plazi:treatment:6C00879AFFBC1538FF76F97BF7B6FE3B" httpUri="http://treatment.plazi.org/id/6C00879AFFBC1538FF76F97BF7B6FE3B" lastPageId="2" lastPageNumber="79" pageId="0" pageNumber="77">
<subSubSection id="ACB36507FFBC153AFF76F97BF063F95D" box="[136,836,1745,1769]" pageId="0" pageNumber="77" type="nomenclature">
<paragraph id="E416368CFFBC153AFF76F97BF063F95D" blockId="0.[136,1452,1745,1805]" box="[136,836,1745,1769]" pageId="0" pageNumber="77">
<taxonomicName id="23A94D0FFFBC153AFF76F97BF171F95D" ID-CoL="3YH4S" authority="Aublet, Hist. Pl. Guiane" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[136,598,1745,1769]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="0" pageNumber="77" phylum="Tracheophyta" rank="species" species="fluviatilis">
<emphasis id="D6DDEA9EFFBC153AFF76F97BF268F95D" bold="true" box="[136,335,1745,1769]" italics="true" pageId="0" pageNumber="77">Mayaca fluviatilis</emphasis>
Aublet, Hist. Pl. Guiane
</taxonomicName>
1: 42, 3: pl. 15. 1775.
</paragraph>
</subSubSection>
<subSubSection id="ACB36507FFBC153AFCB5F97BF632F8B9" pageId="0" pageNumber="77" type="materials_examined">
<paragraph id="E416368CFFBC153AFCB5F97BF632F8B9" blockId="0.[136,1452,1745,1805]" pageId="0" pageNumber="77">
Type:—
<materialsCitation id="54C13CD1FFBC153AFC61F97BF187F8B9" collectionCode="P" collectorName="J. B. C. F. Aublet" country="French Guiana" location="Sinemari river, Mahaica" pageId="0" pageNumber="77" specimenCode="P-00680455" specimenCount="1" typeStatus="holotype">
<collectingCountry id="9CBE761CFFBC153AFC61F97BF758F95D" box="[927,1151,1745,1769]" name="French Guiana" pageId="0" pageNumber="77">FRENCH GUIANA</collectingCountry>
.
<location id="E1766057FFBC153AFB77F97BF6A9F95D" LSID="urn:lsid:plazi:treatment:6C00879AFFBC1538FF76F97BF7B6FE3B:E1766057FFBC153AFB77F97BF6A9F95D" box="[1161,1422,1745,1769]" country="French Guiana" name="Sinemari river, Mahaica" pageId="0" pageNumber="77">Sinemari river, Mahaica</location>
,
<collectorName id="495C535AFFBC153AFA67F978F202F8B9" pageId="0" pageNumber="77">
<emphasis id="D6DDEA9EFFBC153AFA67F978F3F1F8B9" italics="true" pageId="0" pageNumber="77">J. B. C. F</emphasis>
. Aublet
</collectorName>
s.n. (
<typeStatus id="3B12882EFFBC153AFEA0F95FF29AF8B9" box="[350,445,1781,1805]" pageId="0" pageNumber="77" type="holotype">holotype</typeStatus>
<specimenCode id="B40F9EF7FFBC153AFE3DF95FF16EF8B9" box="[451,585,1781,1805]" pageId="0" pageNumber="77">P-00680455</specimenCode>
, image!
</materialsCitation>
,
<materialsCitation id="54C13CD1FFBC153AFD54F95FF62EF8B9" box="[682,1289,1781,1805]" collectionCode="BM" collectorName="J. B. C. F. Aublet" country="French Guiana" location="Sinemari river, Mahaica" pageId="0" pageNumber="77" specimenCode="BM-001191236" specimenCount="1" typeStatus="isotype">
<typeStatus id="3B12882EFFBC153AFD54F95FF026F8B9" box="[682,769,1781,1805]" pageId="0" pageNumber="77" type="isotype">isotypes</typeStatus>
<specimenCode id="B40F9EF7FFBC153AFCF7F95FF092F8B9" box="[777,949,1781,1805]" pageId="0" pageNumber="77">BM-001191236</specimenCode>
, image!; LD, Acc. no. 1742931
</materialsCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="ACB36507FFBC153BFF76F897F2ACFF6F" lastPageId="1" lastPageNumber="78" pageId="0" pageNumber="77" type="description">
<paragraph id="E416368CFFBC153BFF76F897F2ACFF6F" blockId="0.[136,1452,1853,2058]" lastBlockId="1.[136,1451,159,328]" lastPageId="1" lastPageNumber="78" pageId="0" pageNumber="77">
<emphasis id="D6DDEA9EFFBC153AFF76F897F3F3F8E1" bold="true" box="[136,212,1853,1877]" pageId="0" pageNumber="77">Herbs,</emphasis>
submerged or terrestrial.
<emphasis id="D6DDEA9EFFBC153AFE12F897F117F8E1" bold="true" box="[492,560,1853,1877]" pageId="0" pageNumber="77">Stems</emphasis>
usually much branched, decumbent to erect.
<emphasis id="D6DDEA9EFFBC153AFBE0F897F74AF8E1" bold="true" box="[1054,1133,1853,1877]" pageId="0" pageNumber="77">Leaves</emphasis>
narrowly linear-lanceolate to filiform,
<quantity id="23519B69FFBC153AFF17F8CBF265F8CD" box="[233,322,1889,1913]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="0" pageNumber="77" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">34 mm</quantity>
×
<quantity id="23519B69FFBC153AFE9FF8CBF2C2F8CD" box="[353,485,1889,1913]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" metricValueMax="3.0" metricValueMin="1.0" pageId="0" pageNumber="77" unit="mm" value="0.2" valueMax="0.3" valueMin="0.1">0.10.3 mm</quantity>
, spirally arranged; sessile.
<emphasis id="D6DDEA9EFFBC153AFCF6F8CBF0B8F8CD" bold="true" box="[776,927,1889,1913]" pageId="0" pageNumber="77">Inflorescence</emphasis>
of solitary axillary flowers; bracts ovate, ca. 1.0 mm long.
<emphasis id="D6DDEA9EFFBC153AFF07F82FF274F829" bold="true" box="[249,339,1925,1949]" pageId="0" pageNumber="77">Flowers</emphasis>
to ca. 6.0 mm in diam.; pedicels ca.
<quantity id="23519B69FFBC153AFD11F82FF060F829" box="[751,839,1925,1949]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="0" pageNumber="77" unit="mm" value="1.2">1.2 mm</quantity>
; sepals 3, persistent, lanceolate-elliptic, 3.54.5 ×
<quantity id="23519B69FFBC153AFA91F82FF392F875" metricMagnitude="-3" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" pageId="0" pageNumber="77" unit="mm" value="1.15" valueMax="1.3" valueMin="1.0">11.3 mm</quantity>
; petals 3, lilac but whitish at base, ovate, ca. 2.5 ×
<quantity id="23519B69FFBC153AFD2EF803F002F875" box="[720,805,1961,1985]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="0" pageNumber="77" unit="mm" value="1.5">1.5 mm</quantity>
; stamens 3, 1.82.0 mm, opposite the sepals; anthers yellow, ellipsoid,
<quantity id="23519B69FFBC153AFF0CF867F255F851" box="[242,370,1997,2021]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="0" pageNumber="77" unit="mm" value="0.7" valueMax="0.8" valueMin="0.6">0.60.8 mm</quantity>
long, basifixed, dehiscing apically; filaments ca.
<quantity id="23519B69FFBC153AFC7BF867F0FDF851" box="[901,986,1997,2021]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="0" pageNumber="77" unit="mm" value="1.2">1.2 mm</quantity>
; style 1, linear, ca.
<quantity id="23519B69FFBC153AFB56F867F7DEF851" box="[1192,1273,1997,2021]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="0" pageNumber="77" unit="mm" value="1.2">1.2 mm</quantity>
long, persistent; stigmas very short, ca.
<quantity id="23519B69FFBC153AFE7BF85BF2F0F7BD" box="[389,471,2033,2057]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="0" pageNumber="77" unit="mm" value="0.1">0.1 mm</quantity>
long, 3-fid at apex; ovary unilocular, ellipsoid, parietal placentae; ovules many.
<emphasis id="D6DDEA9EFFBC153AFABBF85BF68CF7BD" bold="true" box="[1349,1451,2033,2057]" pageId="0" pageNumber="77">Capsules</emphasis>
nearly globose to ellipsoid, ca. 2.0×
<quantity id="23519B69FFBD153BFDF5FF35F179FF03" box="[523,606,159,183]" metricMagnitude="-3" metricUnit="m" metricValue="1.8" pageId="1" pageNumber="78" unit="mm" value="1.8">1.8 mm</quantity>
, brownish.
<emphasis id="D6DDEA9EFFBD153BFD22FF35F03BFF03" bold="true" box="[732,796,159,183]" pageId="1" pageNumber="78">Seeds</emphasis>
ca. 0.4×
<quantity id="23519B69FFBD153BFC87FF35F0E9FF03" box="[889,974,159,183]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="78" unit="mm" value="0.2">0.2 mm</quantity>
, ovoid, reticulate-scrobiculate, with obvious embryostegium (
<figureCitation id="7C922A09FFBD153BFEC3FF69F25CFF6F" box="[317,379,195,219]" captionStart="FIGURE 1" captionStartId="1.[136,229,1376,1398]" captionTargetBox="[151,1436,350,1349]" captionTargetId="figure-77@1.[151,1436,350,1349]" captionTargetPageId="1" captionText="FIGURE 1. Mayaca fluviatilis.A, Habit. B, Flower. C, Stem branch. D, Leaf arrangement. E, Inflorescence position. F, Sepals and petals, adaxial side (left) and abaxial side (right). G, Lateral view of stamens. H, Capsule (left) and longitudinally dissected capsule (right). I, Capsule. J, Seeds." figureDoi="http://doi.org/10.5281/zenodo.13878664" httpUri="https://zenodo.org/record/13878664/files/figure.png" pageId="1" pageNumber="78">Fig. 1</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="ACB36507FFBD153BFF43FF4DF215FEF3" pageId="1" pageNumber="78" type="distribution">
<paragraph id="E416368CFFBD153BFF43FF4DF215FEF3" blockId="1.[136,1451,159,328]" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF43FF4DF26BFF4B" bold="true" box="[189,332,231,255]" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF43FF4DF265FF4B" bold="true" box="[189,322,231,255]" italics="true" pageId="1" pageNumber="78">Distribution</emphasis>
:
</emphasis>
Native to Central and South America, the Caribbean and the
<collectingCountry id="9CBE761CFFBD153BFC24FF4DF74BFF4B" box="[986,1132,231,255]" name="United States of America" pageId="1" pageNumber="78">United States</collectingCountry>
. Naturalised in
<collectingCountry id="9CBE761CFFBD153BFAEDFF4DF6A5FF4B" box="[1299,1410,231,255]" name="Singapore" pageId="1" pageNumber="78">Singapore</collectingCountry>
,
<collectingCountry id="9CBE761CFFBD153BFA72FF4DF3ECFE97" name="Sri Lanka" pageId="1" pageNumber="78">Sri Lanka</collectingCountry>
(
<bibRefCitation id="80384B7DFFBD153BFF26FEA1F174FE97" author="Yakandawala, D. &amp; Yakandawala, K." box="[216,595,267,291]" pageId="1" pageNumber="78" pagination="222 - 225" refId="ref2530" refString="Yakandawala, D. &amp; Yakandawala, K. (2007) Ornamental aquatics: potential weeds in aquatic ecosystems. In: Marambe, B., Sangakkara, U. R., Costa, W. A. J. M. &amp; Abeysekara, A. S. K. (Eds.) Proceedings of the 21 st Asian Pacific Weed Science Society Conference. Colombo, Sri Lanka, pp. 222 - 225." type="book chapter" year="2007">Yakandawala &amp; Yakandawala 2007</bibRefCitation>
) and
<collectingCountry id="9CBE761CFFBD153BFD75FEA1F1CAFE97" box="[651,749,267,291]" name="Australia" pageId="1" pageNumber="78">Australia</collectingCountry>
(
<bibRefCitation id="80384B7DFFBD153BFD04FEA1F0DBFE97" author="Madigan, B. A. &amp; Vitelli, J. S." box="[762,1020,267,291]" pageId="1" pageNumber="78" pagination="30 - 33" refId="ref2122" refString="Madigan, B. A. &amp; Vitelli, J. S. (2012) Herbicide control of submerged bog moss (Mayaca fluviatilis Aubl.). Eighteenth Australasian Weeds Conference 30 - 33. https: // doi. org / 10.1071 / RJ 11038" type="proceedings paper" year="2012">Madigan &amp; Vitelli 2012</bibRefCitation>
), as well as in
<collectingCountry id="9CBE761CFFBD153BFB6AFEA1F7F1FE97" box="[1172,1238,267,291]" name="China" pageId="1" pageNumber="78">China</collectingCountry>
, the newly recorded country in Asia.
</paragraph>
</subSubSection>
<caption id="B0D66604FFBD153BFF76FACAF211FA0A" ID-DOI="http://doi.org/10.5281/zenodo.13878664" ID-Zenodo-Dep="13878664" httpUri="https://zenodo.org/record/13878664/files/figure.png" pageId="1" pageNumber="78" startId="1.[136,229,1376,1398]" targetBox="[151,1436,350,1349]" targetPageId="1" targetType="figure">
<paragraph id="E416368CFFBD153BFF76FACAF211FA0A" blockId="1.[136,1452,1376,1470]" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF76FACAF3D0FAC1" bold="true" box="[136,247,1376,1398]" pageId="1" pageNumber="78">FIGURE 1</emphasis>
.
<emphasis id="D6DDEA9EFFBD153BFEFCFACBF290FAC1" box="[258,439,1376,1398]" italics="true" pageId="1" pageNumber="78">
<taxonomicName id="23A94D0FFFBD153BFEFCFACBF294FAC1" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[258,435,1376,1398]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="1" pageNumber="78" phylum="Tracheophyta" rank="species" species="fluviatilis">Mayaca fluviatilis</taxonomicName>
.
</emphasis>
A, Habit. B, Flower. C, Stem branch. D, Leaf arrangement. E, Inflorescence position. F, Sepals and petals, adaxial side (left) and abaxial side (right). G, Lateral view of stamens. H, Capsule (left) and longitudinally dissected capsule (right). I, Capsule. J, Seeds.
</paragraph>
</caption>
<subSubSection id="ACB36507FFBD153BFF43FA44F048F9B2" box="[189,879,1518,1542]" pageId="1" pageNumber="78" type="biology_ecology">
<paragraph id="E416368CFFBD153BFF43FA44F048F9B2" blockId="1.[136,1452,1518,2082]" box="[189,879,1518,1542]" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF43FA44F21AF9B2" bold="true" box="[189,317,1518,1542]" pageId="1" pageNumber="78">Phenology:</emphasis>
Flowering and fruiting in November and December.
</paragraph>
</subSubSection>
<subSubSection id="ACB36507FFBD153BFF43F9B8F247F922" pageId="1" pageNumber="78" type="materials_examined">
<paragraph id="E416368CFFBD153BFF43F9B8F247F922" blockId="1.[136,1452,1518,2082]" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF43F9B8F287F99E" bold="true" box="[189,416,1554,1578]" pageId="1" pageNumber="78">Voucher specimens:</emphasis>
<materialsCitation id="54C13CD1FFBD153BFE58F9B8F7FCF9FA" collectingDate="2019-11-20" collectorName="Su Fan &amp; Zhou Xinxin &amp; Guo Yanan" country="China" county="Jiangmen" elevation="30" latitude="22.265041" location="Datian town" longLatPrecision="1" longitude="112.20887" municipality="Enping" pageId="1" pageNumber="78" specimenCount="1" stateProvince="Guangdong">
<collectingCountry id="9CBE761CFFBD153BFE58F9B8F2CEF99E" box="[422,489,1554,1578]" name="China" pageId="1" pageNumber="78">China</collectingCountry>
.
<collectingRegion id="266DF86EFFBD153BFE0AF9B8F1F0F99E" box="[500,727,1554,1578]" country="China" name="Guangdong" pageId="1" pageNumber="78">Guangdong province</collectingRegion>
,
<collectingCounty id="0D774E00FFBD153BFD1CF9B8F06FF99E" box="[738,840,1554,1578]" pageId="1" pageNumber="78">Jiangmen</collectingCounty>
city,
<collectingMunicipality id="0472ACF6FFBD153BFC7DF9B8F0F4F99E" box="[899,979,1554,1578]" pageId="1" pageNumber="78">Enping</collectingMunicipality>
,
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,
<location id="E1766057FFBD153BFB90F9B8F629F99E" LSID="urn:lsid:plazi:treatment:6C00879AFFBC1538FF76F97BF7B6FE3B:E1766057FFBD153BFB90F9B8F629F99E" box="[1134,1294,1554,1578]" country="China" county="Jiangmen" latitude="22.265041" longLatPrecision="1" longitude="112.20887" municipality="Enping" name="Nan'ao village" pageId="1" pageNumber="78" stateProvince="Guangdong">Nanao village</location>
,
<date id="9017104CFFBD153BFAE7F9B8F3E7F9FA" pageId="1" pageNumber="78" value="2019-11-20">
<collectingDate id="8053E9A4FFBD153BFAE7F9B8F3E7F9FA" pageId="1" pageNumber="78" value="2019-11-20">20 November 2019</collectingDate>
</date>
,
<geoCoordinate id="819D504BFFBD153BFF30F99FF256F9FA" box="[206,369,1589,1614]" degrees="22" direction="north" minutes="15" orientation="latitude" pageId="1" pageNumber="78" precision="1" seconds="54.15" value="22.265041">22°1554.15″N</geoCoordinate>
,
<geoCoordinate id="819D504BFFBD153BFE80F99FF10DF9FA" box="[382,554,1589,1614]" degrees="112" direction="east" minutes="12" orientation="longitude" pageId="1" pageNumber="78" precision="1" seconds="31.95" value="112.20887">112°1231.95″E</geoCoordinate>
, elev.
<quantity id="23519B69FFBD153BFD8DF99CF189F9FA" box="[627,686,1590,1614]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="1" pageNumber="78" unit="m" value="30.0">
<elevation id="6F84D1BFFFBD153BFD8DF99CF189F9FA" box="[627,686,1590,1614]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="1" pageNumber="78" unit="m" value="30.0">30 m</elevation>
</quantity>
,
<emphasis id="D6DDEA9EFFBD153BFD42F99DF7A6F9FA" box="[700,1153,1590,1614]" italics="true" pageId="1" pageNumber="78">
<collectorName id="495C535AFFBD153BFD42F99DF029F9FA" box="[700,782,1591,1614]" pageId="1" pageNumber="78">Su Fan</collectorName>
,
<collectorName id="495C535AFFBD153BFCE5F99CF085F9FA" box="[795,930,1590,1614]" pageId="1" pageNumber="78">Zhou Xinxin</collectorName>
&amp;
<collectorName id="495C535AFFBD153BFC37F99DF764F9FA" box="[969,1091,1591,1614]" pageId="1" pageNumber="78">Guo Yanan</collectorName>
1669
</emphasis>
(IBSC)
</materialsCitation>
;
<materialsCitation id="54C13CD1FFBD153BFB17F99DF27DF922" collectingDate="2019-11-27" collectorName="Su Fan &amp; Zhou Xinxin &amp; Guo Yanan" country="China" elevation="33" latitude="22.231386" location="Fengzishan" longLatPrecision="1" longitude="112.243355" municipality="Shadi village" pageId="1" pageNumber="78" specimenCount="1" stateProvince="Guangdong">
same town,
<collectingMunicipality id="0472ACF6FFBD153BFA91F99CF3F4F9C6" pageId="1" pageNumber="78">Shadi village</collectingMunicipality>
,
<location id="E1766057FFBD153BFF20F9F0F270F9C6" LSID="urn:lsid:plazi:treatment:6C00879AFFBC1538FF76F97BF7B6FE3B:E1766057FFBD153BFF20F9F0F270F9C6" box="[222,343,1626,1650]" country="China" latitude="22.231386" longLatPrecision="1" longitude="112.243355" municipality="Shadi village" name="Fengzishan" pageId="1" pageNumber="78" stateProvince="Guangdong">Fengzishan</location>
reservoir,
<date id="9017104CFFBD153BFE36F9F0F1BFF9C6" box="[456,664,1626,1650]" pageId="1" pageNumber="78" value="2019-11-27">
<collectingDate id="8053E9A4FFBD153BFE36F9F0F1BFF9C6" box="[456,664,1626,1650]" pageId="1" pageNumber="78" value="2019-11-27">27 November 2019</collectingDate>
</date>
,
<geoCoordinate id="819D504BFFBD153BFD5CF9F3F062F9C6" box="[674,837,1625,1650]" degrees="22" direction="north" minutes="13" orientation="latitude" pageId="1" pageNumber="78" precision="1" seconds="52.99" value="22.231386">N22°1352.99″</geoCoordinate>
,
<geoCoordinate id="819D504BFFBD153BFCB1F9F3F0DBF9C6" box="[847,1020,1625,1650]" degrees="112" direction="east" minutes="14" orientation="longitude" pageId="1" pageNumber="78" precision="1" seconds="36.09" value="112.243355">E112°1436.09″</geoCoordinate>
, elev.
<quantity id="23519B69FFBD153BFBC0F9F0F751F9C6" box="[1086,1142,1626,1650]" metricMagnitude="1" metricUnit="m" metricValue="3.3" pageId="1" pageNumber="78" unit="m" value="33.0">
<elevation id="6F84D1BFFFBD153BFBC0F9F0F751F9C6" box="[1086,1142,1626,1650]" metricMagnitude="1" metricUnit="m" metricValue="3.3" pageId="1" pageNumber="78" unit="m" value="33.0">33 m</elevation>
</quantity>
,
<emphasis id="D6DDEA9EFFBD153BFB7EF9F1F222F922" italics="true" pageId="1" pageNumber="78">
<collectorName id="495C535AFFBD153BFB7EF9F1F7E8F9C6" box="[1152,1231,1627,1650]" pageId="1" pageNumber="78">Su Fan</collectorName>
,
<collectorName id="495C535AFFBD153BFB27F9F0F67BF9C6" box="[1241,1372,1626,1650]" pageId="1" pageNumber="78">Zhou Xinxin</collectorName>
&amp;
<collectorName id="495C535AFFBD153BFA83F9F1F3EDF922" pageId="1" pageNumber="78">Guo Yanan</collectorName>
1681
</emphasis>
(IBSC)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="ACB36507FFBD1538FF43F908F7B6FE3B" lastPageId="2" lastPageNumber="79" pageId="1" pageNumber="78" type="discussion">
<paragraph id="E416368CFFBD153BFF43F908F6A8F892" blockId="1.[136,1452,1518,2082]" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF43F908F218F90E" bold="true" box="[189,319,1698,1722]" pageId="1" pageNumber="78">Discussion:</emphasis>
Probably because of the environmental factors in the habitat of the plant, their vegetative and reproductive organs of this naturalized
<taxonomicName id="23A94D0FFFBD153BFE5FF96DF143F96A" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[417,612,1734,1758]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="1" pageNumber="78" phylum="Tracheophyta" rank="species" species="fluviatilis">
<emphasis id="D6DDEA9EFFBD153BFE5FF96DF143F96A" box="[417,612,1734,1758]" italics="true" pageId="1" pageNumber="78">Mayaca fluviatilis</emphasis>
</taxonomicName>
are smaller than those from their native areas, e.g., short leaves and pedicels, and small flowering petals and capsules (
<bibRefCitation id="80384B7DFFBD153BFDC1F940F1E4F8B6" author="Faden, R. B." box="[575,707,1770,1794]" pageId="1" pageNumber="78" refId="ref1887" refString="Faden, R. B. (2000) Mayacaceae. In: Flora of North America Editorial Committee (Eds.) Flora of North America North of Mexico. Vol. 22. Oxford, New York, pp. 168." type="journal volume" year="2000">Faden 2000</bibRefCitation>
). The variable morphology of this widespread species also resulted in many taxonomic problems, which can be deduced from its many nomenclatural synonyms (
<bibRefCitation id="80384B7DFFBD153BFBA4F8A4F6A3F892" author="Carvalho, M. L. S. &amp; Machado, A. F. P." box="[1114,1412,1806,1830]" pageId="1" pageNumber="78" pagination="421 - 427" refId="ref1793" refString="Carvalho, M. L. S. &amp; Machado, A. F. P. (2015) Revisiting Mayacaceae Kunth towards to future perspectives in the family. Rodriguesia 66 (2): 421 - 427. https: // doi. org / 10.1590 / 2175 - 7860201566210" type="journal article" year="2015">Carvalho &amp; Machado 2015</bibRefCitation>
).
</paragraph>
<paragraph id="E416368CFFBD1538FF43F898F752FF4B" blockId="1.[136,1452,1518,2082]" lastBlockId="2.[136,1452,159,399]" lastPageId="2" lastPageNumber="79" pageId="1" pageNumber="78">
<emphasis id="D6DDEA9EFFBD153BFF43F898F2FDF8FE" bold="true" box="[189,474,1842,1866]" pageId="1" pageNumber="78">Invasive risk evaluation:</emphasis>
<taxonomicName id="23A94D0FFFBD153BFE1CF899F181F8FE" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[482,678,1842,1866]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="1" pageNumber="78" phylum="Tracheophyta" rank="species" species="fluviatilis">
<emphasis id="D6DDEA9EFFBD153BFE1CF899F181F8FE" box="[482,678,1842,1866]" italics="true" pageId="1" pageNumber="78">Mayaca fluviatilis</emphasis>
</taxonomicName>
can produce young seedlings by both vegetative propagation and seed germination. Its seeds can maintain viability after drying for six weeks and after at least 12 weeks in submerged conditions (
<bibRefCitation id="80384B7DFFBD153BFF71F8D0F23BF826" author="Thieret, J. W." box="[143,284,1914,1938]" pageId="1" pageNumber="78" pagination="248 - 255" refId="ref2445" refString="Thieret, J. W. (1975) The Mayacaceae in the Southeastern United States. Journal of the Arnold Arboretum 56: 248 - 255. https: // doi. org / 10.5962 / bhl. part. 13248" type="journal article" year="1975">Thieret 1975</bibRefCitation>
). Further experiment about the propagation ability of fragmented vegetative parts of
<taxonomicName id="23A94D0FFFBD153BFB6BF8D1F672F826" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[1173,1365,1914,1938]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="1" pageNumber="78" phylum="Tracheophyta" rank="species" species="fluviatilis">
<emphasis id="D6DDEA9EFFBD153BFB6BF8D1F672F826" box="[1173,1365,1914,1938]" italics="true" pageId="1" pageNumber="78">Mayaca fluviatilis</emphasis>
</taxonomicName>
showed that even the
<quantity id="23519B69FFBD153BFEEBF834F26EF802" box="[277,329,1950,1974]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="78" unit="cm" value="2.0">2 cm</quantity>
fragment of the terminal shoots was capable of developing into a new plant (
<bibRefCitation id="80384B7DFFBD153BFB8AF834F3E5F86E" author="Yakandawala, K. &amp; Dissanayake, D. M. G. S." pageId="1" pageNumber="78" pagination="199 - 204" refId="ref2611" refString="Yakandawala, K. &amp; Dissanayake, D. M. G. S. (2010) Mayaca fluviatilis Aubl.: an ornamental aquatic with invasive potential in Sri Lanka. Hydrobiologia 656: 199 - 204. https: // doi. org / 10.1007 / s 10750 - 010 - 0429 - y" type="journal article" year="2010">Yakandawala &amp; Dissanayake 2010</bibRefCitation>
). It can
<taxonomicName id="23A94D0FFFBD153BFEEDF868F2ADF86E" box="[275,394,1986,2010]" form="dense" pageId="1" pageNumber="78" rank="form">form dense</taxonomicName>
mats to block freshwater ponds, steams and drainage ditches under favourable conditions and might smother and replace native aquatic plant species. This plant has been a pest within parts of its native range, particularly in
<collectingCountry id="9CBE761CFFBD153BFF5BF7A1F203F796" box="[165,292,2058,2082]" name="Puerto Rico" pageId="1" pageNumber="78">Puerto Rico</collectingCountry>
and the
<collectingCountry id="9CBE761CFFBD153BFE7AF7A0F281F796" box="[388,422,2058,2082]" name="United States of America" pageId="1" pageNumber="78">US</collectingCountry>
(
<collectingRegion id="266DF86EFFBD153BFE4BF7A0F123F796" box="[437,516,2058,2082]" country="United States of America" name="Florida" pageId="1" pageNumber="78">Florida</collectingRegion>
and
<collectingRegion id="266DF86EFFBD153BFDC4F7A0F1F9F796" box="[570,734,2058,2082]" country="United States of America" name="North Carolina" pageId="1" pageNumber="78">North Carolina</collectingRegion>
) and it was assessed to be high week risk in
<collectingCountry id="9CBE761CFFBD153BFB38F7A0F60FF796" box="[1222,1320,2058,2082]" name="Australia" pageId="1" pageNumber="78">Australia</collectingCountry>
(
<bibRefCitation id="80384B7DFFBD1538FAC9F7A0F210FF03" author="Csurhes, S. &amp; Hankamer, C." lastPageId="2" lastPageNumber="79" pageId="1" pageNumber="78" pagination="1 - 19" refId="ref1846" refString="Csurhes, S. &amp; Hankamer, C. (2016) Invasive plant risk assessment, Bog moss, Mayaca fluviatilis Aubl. Department of Agriculture and Fisheries, Biosecurity Queensland, Australia, pp. 1 - 19." type="book chapter" year="2016">Csurhes &amp; Hankamer 2016</bibRefCitation>
). To control the fast propagation of this aquatic alien plant, it is necessary to remove even the smallest stem fragments from its naturalised habitats, but it is impossible to totally eradicate them once it has been established locally and the effective control, even application of herbicide, remains elusive (
<bibRefCitation id="80384B7DFFBE1538FC9AFF4DF74EFF4B" author="Madigan, B. A. &amp; Vitelli, J. S." box="[868,1129,231,255]" pageId="2" pageNumber="79" pagination="30 - 33" refId="ref2122" refString="Madigan, B. A. &amp; Vitelli, J. S. (2012) Herbicide control of submerged bog moss (Mayaca fluviatilis Aubl.). Eighteenth Australasian Weeds Conference 30 - 33. https: // doi. org / 10.1071 / RJ 11038" type="proceedings paper" year="2012">Madigan &amp; Vitelli 2012</bibRefCitation>
).
</paragraph>
<paragraph id="E416368CFFBE1538FF43FEA6F7B6FE3B" blockId="2.[136,1452,159,399]" pageId="2" pageNumber="79">
In
<collectingCountry id="9CBE761CFFBE1538FF23FEA1F238FE97" box="[221,287,267,291]" name="China" pageId="2" pageNumber="79">China</collectingCountry>
, this species is very common in the collection area. The environmental factors in south
<collectingCountry id="9CBE761CFFBE1538FB0EFEA1F617FE97" box="[1264,1328,267,291]" name="China" pageId="2" pageNumber="79">China</collectingCountry>
are mostly similar to those in its native and other naturalised habitats and can satisfy the propagation and dispersal of
<taxonomicName id="23A94D0FFFBE1538FB1AFE9AF682FEF3" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[1252,1445,303,327]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="2" pageNumber="79" phylum="Tracheophyta" rank="species" species="fluviatilis">
<emphasis id="D6DDEA9EFFBE1538FB1AFE9AF682FEF3" box="[1252,1445,303,327]" italics="true" pageId="2" pageNumber="79">Mayaca fluviatilis</emphasis>
</taxonomicName>
. Although the impact of
<taxonomicName id="23A94D0FFFBE1538FE78FEFEF129FEDF" authorityName="Aublet, Hist. Pl. Guiane" authorityYear="1775" box="[390,526,339,363]" class="Liliopsida" family="Mayacaceae" genus="Mayaca" kingdom="Plantae" order="Poales" pageId="2" pageNumber="79" phylum="Tracheophyta" rank="species" species="fluviatilis">
<emphasis id="D6DDEA9EFFBE1538FE78FEFEF129FEDF" box="[390,526,339,363]" italics="true" pageId="2" pageNumber="79">M. fluviatilis</emphasis>
</taxonomicName>
is negligible since it is restricted to a small area currently, much attention must be paid to the potential threat to local aquatic environment in tropical and subtropical wetlands of
<collectingCountry id="9CBE761CFFBE1538FBB7FEDDF7ABFE3B" box="[1097,1164,375,399]" name="China" pageId="2" pageNumber="79">China</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>