treatments-xml/data/03/B7/87/03B787F6FFBF9B1C6200787DFF1FFA6C.xml

364 lines
42 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document id="29F127BCC930B1BA7937407FA9A2EBE5" ID-DOI="10.17348/jbrit.v15.i2.1206" ID-Zenodo-Dep="14111022" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_requiresApprovalFor="plazi" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1634280027544" checkinUser="donat" docAuthor="Fawcett, Susan &amp; Smith, Alan R." docDate="2021" docId="03B787F6FFBF9B1C6200787DFF1FFA6C" docLanguage="en" docName="2021_ThelypteridaceaeFerns_OACopy3.pdf.imf" docOrigin="Fort Worth, Texas, USA: BRIT Press" docTitle="Reholttumia" docType="treatment" docVersion="3" lastPageNumber="77" masterDocId="FF8EFF8EFFE99B4B602B7D49FFA7FFBB" masterDocTitle="A Generic Classification of the Thelypteridaceae" pageNumber="76" updateTime="1731444927364" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-SA-4.0">
<mods:mods id="16474DD42C1E49FADF5D7566921193C6" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="977B88EB139425E2D48B046B63679846">
<mods:title id="AF68276F25A4FC2DF668FD65022CFA60">A Generic Classification of the Thelypteridaceae</mods:title>
</mods:titleInfo>
<mods:name id="5CC8F9E5462771C11817FDC4CDE9574B" type="personal">
<mods:role id="BF1C5BFFAA9B37B3DD7DCE49614E7EDA">
<mods:roleTerm id="433D5200FBF56D5C790F0C7C7452B843">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="30D69A894D7A350CE67A6780C675A4A6">Fawcett, Susan</mods:namePart>
</mods:name>
<mods:name id="F749BE1CBFE2D56126D07552CB938DD6" type="personal">
<mods:role id="26BD36FE806D5459351E0AA8F2077732">
<mods:roleTerm id="1863C55073AD3495A4864CE0BCFF759A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E71EE46F4418E06C1B456ACA9A48AABF">Smith, Alan R.</mods:namePart>
</mods:name>
<mods:typeOfResource id="802C1FFABCBC59C42843063D4EE9BF68">text</mods:typeOfResource>
<mods:originInfo id="4179B824509EF8D0430FDDA9125FDF6A">
<mods:dateIssued id="D1AE9E146F9E5F2220703239F449095E">2021</mods:dateIssued>
<mods:publisher id="9C3A5281D1EC47C0E7E3BC21F4DBFB6B">BRIT Press</mods:publisher>
<mods:place id="A1CB99E23361881A40ABBC274C652599">
<mods:placeTerm id="1C144ABA105069169F5CDE9DBABED18A">Fort Worth, Texas, USA</mods:placeTerm>
</mods:place>
</mods:originInfo>
<mods:classification id="C9C3B3F8D5A17A97B6FD313C5B781E9E">book</mods:classification>
<mods:identifier id="95FE3A649E45272A731A62A6680888C2" type="DOI">10.17348/jbrit.v15.i2.1206</mods:identifier>
<mods:identifier id="B4E5D591085D98C16A82DF8485666F80" type="Zenodo-Dep">14111022</mods:identifier>
</mods:mods>
<treatment id="03B787F6FFBF9B1C6200787DFF1FFA6C" LSID="urn:lsid:plazi:treatment:03B787F6FFBF9B1C6200787DFF1FFA6C" httpUri="http://treatment.plazi.org/id/03B787F6FFBF9B1C6200787DFF1FFA6C" lastPageId="87" lastPageNumber="77" pageId="86" pageNumber="76">
<subSubSection id="C304656BFFBF9B1D6200787DFD58FAF5" box="[555,767,1332,1358]" pageId="86" pageNumber="76" type="nomenclature">
<paragraph id="8BA136E0FFBF9B1D6200787DFD58FAF5" blockId="86.[555,767,1332,1358]" box="[555,767,1332,1358]" pageId="86" pageNumber="76">
<heading id="D0E9818CFFBF9B1D6200787DFD58FAF5" allCaps="true" bold="true" box="[555,767,1332,1358]" centered="true" fontSize="11" level="2" pageId="86" pageNumber="76" reason="0">
<taxonomicName id="4C1E4D63FFBF9B1D6200787DFD58FAF5" ID-CoL="8RTZR" box="[555,767,1332,1358]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="86" pageNumber="76" phylum="Tracheophyta" rank="genus" status="gen. nov.">
<emphasis id="B96AEAF2FFBF9B1D6200787DFD58FAF5" bold="true" box="[555,767,1332,1358]" pageId="86" pageNumber="76">REHOLTTUMIA</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C304656BFFBF9B1D604A7814FDC2FA2C" pageId="86" pageNumber="76" type="reference_group">
<paragraph id="8BA136E0FFBF9B1D604A7814FB6FFACA" blockId="86.[97,1224,1372,1394]" box="[97,1224,1372,1394]" pageId="86" pageNumber="76">
<taxonomicName id="4C1E4D63FFBF9B1D604A7814FE14FAC9" authority="S.E. Fawc. &amp; A.R.Sm." authorityName="S. E. Fawc. &amp; A. R. Sm." box="[97,435,1372,1394]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="86" pageNumber="76" phylum="Tracheophyta" rank="genus" status="gen. nov.">
<emphasis id="B96AEAF2FFBF9B1D604A7814FF78FAC9" bold="true" box="[97,223,1373,1394]" pageId="86" pageNumber="76">Reholttumia</emphasis>
S.E. Fawc. &amp; A.R.Sm.
</taxonomicName>
,
<emphasis id="B96AEAF2FFBF9B1D61927815FDA8FACA" bold="true" box="[441,527,1372,1393]" pageId="86" pageNumber="76">
<taxonomicNameLabel id="A2595789FFBF9B1D61927815FDA8FACA" box="[441,527,1372,1393]" pageId="86" pageNumber="76" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
<typeStatus id="54A58842FFBF9B1D620A7829FDE7FACB" box="[545,576,1376,1392]" pageId="86" pageNumber="76">
<collectionCode id="ED0FAE25FFBF9B1D620A7829FDE7FACB" box="[545,576,1376,1392]" pageId="86" pageNumber="76">TYPE</collectionCode>
</typeStatus>
:
<taxonomicName id="4C1E4D63FFBF9B1D62637829FC6AFACA" authority="(C. Presl) S. E. Fawc. &amp; A. R. Sm." authorityName="S. E. Fawc. &amp; A. R. Sm." baseAuthorityName="C. Presl" box="[584,973,1376,1393]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="86" pageNumber="76" phylum="Tracheophyta" rank="species" species="nitidula">
<emphasis id="B96AEAF2FFBF9B1D62637829FD7AFACA" box="[584,733,1376,1393]" italics="true" pageId="86" pageNumber="76">Reholttumia nitidula</emphasis>
(C.Presl) S.E. Fawc.&amp; A.R.Sm.
</taxonomicName>
[=
<taxonomicName id="4C1E4D63FFBF9B1D63CA7829FB63FACA" authority="C. Presl" authorityName="C. Presl" box="[993,1220,1376,1393]" class="Polypodiopsida" family="Thelypteridaceae" genus="Nephrodium" kingdom="Plantae" order="Polypodiales" pageId="86" pageNumber="76" phylum="Tracheophyta" rank="species" species="nitidulum">
<emphasis id="B96AEAF2FFBF9B1D63CA7829FB22FACA" box="[993,1157,1376,1393]" italics="true" pageId="86" pageNumber="76">Nephrodium nitidulum</emphasis>
C.Presl
</taxonomicName>
]
</paragraph>
<paragraph id="8BA136E0FFBF9B1D60AA78CCFDC2FA2C" blockId="86.[129,613,1413,1431]" box="[129,613,1413,1431]" pageId="86" pageNumber="76">
For species synonymy, see
<bibRefCitation id="EF8F4B11FFBF9B1D616178CFFE64FA2C" author="Holttum" box="[330,451,1414,1431]" firstAuthor="Holttum" journalOrPublisher="Blumea" pageId="86" pageNumber="76" pagination="293 - 325" part="21" refId="ref109522" refString="HOLTTUM, R. E. 1973 a. Studies in the family Thelypteridaceae V. The genus Pneumatopteris Nakai. Blumea 21: 293 - 325." title="Studies in the family Thelypteridaceae V. The genus Pneumatopteris Nakai" type="journal article" year="1973" yearSuffix="a">Holttum (1973a</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBF9B1D61E278CFFE50FA2C" author="Holttum" box="[457,503,1414,1431]" firstAuthor="Holttum" journalOrPublisher="J. S. African Bot." pageId="86" pageNumber="76" pagination="123 - 168" part="40" refId="ref109577" refString="HOLTTUM, R. E. 1974 a. Thelypteridaceae of Africa and adjacent islands. J. S. African Bot. 40: 123 - 168." title="Thelypteridaceae of Africa and adjacent islands" type="journal article" year="1974" yearSuffix="a">1974a</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBF9B1D61D578CFFD89FA2C" author="Holttum" box="[510,558,1414,1431]" firstAuthor="Holttum" journalOrPublisher="Allertonia" pageId="86" pageNumber="76" pagination="169 - 234" part="1" refId="ref109882" refString="HOLTTUM, R. E. 1977 b. The family Thelypteridaceae in the Pacific and Australasia. Allertonia 1: 169 - 234." title="The family Thelypteridaceae in the Pacific and Australasia" type="journal article" year="1977" yearSuffix="b">1977b</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBF9B1D621F78CFFDFCFA2C" author="Holttum" box="[564,603,1414,1431]" firstAuthor="Holttum" journalOrPublisher="Flora Malesiana" pageId="86" pageNumber="76" pagination="334 - 560" part="1" refId="ref109955" refString="HOLTTUM, R. E. 1982. Thelypteridaceae. Flora Malesiana, Ser. II, 1 (5): 334 - 560." title="Thelypteridaceae" type="journal article" year="1982">1982</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C304656BFFBF9B1D604A78E5FF56F9FA" pageId="86" pageNumber="76" type="etymology">
<paragraph id="8BA136E0FFBF9B1D604A78E5FF56F9FA" blockId="86.[97,1226,1452,1794]" pageId="86" pageNumber="76">
<emphasis id="B96AEAF2FFBF9B1D604A78E5FF79FA7A" box="[97,222,1452,1473]" italics="true" pageId="86" pageNumber="76">Etymology.—</emphasis>
The name honors Richard Eric Holttum (18951990), whose keen insights, perseverance, and fundamental contributions to our knowledge of
<taxonomicName id="4C1E4D63FFBF9B1D61F87884FDDFFA59" baseAuthorityName="Holttum" baseAuthorityYear="1976" box="[467,632,1485,1506]" class="Polypodiopsida" family="Thelypteridaceae" kingdom="Plantae" order="Polypodiales" pageId="86" pageNumber="76" phylum="Tracheophyta" rank="family">Thelypteridaceae</taxonomicName>
enabled the present work. Holttums focus was especially on species in the Old World tropics where the family is most diverse and least known. His careful examination of
<typeStatus id="54A58842FFBF9B1D64B578A5FB6DF9BA" box="[1182,1226,1516,1537]" pageId="86" pageNumber="76">type</typeStatus>
material in numerous
<taxonomicName id="4C1E4D63FFBF9B1D61127B44FED6F999" box="[313,369,1549,1570]" genus="The" pageId="86" pageNumber="76" rank="species" species="major">major</taxonomicName>
herbaria resolved many problems that had plagued the taxonomy of the group for more than a century.
</paragraph>
</subSubSection>
<subSubSection id="C304656BFFBF9B1C60B97B04FE55FDCC" lastPageId="87" lastPageNumber="77" pageId="86" pageNumber="76" type="description">
<paragraph id="8BA136E0FFBF9B1C60B97B04FE55FDCC" blockId="86.[97,1226,1452,1794]" lastBlockId="87.[121,1250,162,1495]" lastPageId="87" lastPageNumber="77" pageId="86" pageNumber="76">
Plants terrestrial, medium-sized to large (to
<quantity id="4CE69B05FFBF9B1D627C7B04FDD9F9DA" box="[599,638,1612,1634]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="86" pageNumber="76" unit="m" value="2.0">2 m</quantity>
tall);
<emphasis id="B96AEAF2FFBF9B1D62977B04FCB9F9D9" bold="true" box="[700,798,1613,1634]" pageId="86" pageNumber="76">rhizomes</emphasis>
ascending, erect, short-creeping or rarely long-creeping, rhizome scales brown, often caducous;
<emphasis id="B96AEAF2FFBF9B1D62527B24FD1AF939" bold="true" box="[633,701,1645,1666]" pageId="86" pageNumber="76">fronds</emphasis>
monomorphic, erect to arching, rarely pendant, pinnate-pinnatifid;
<emphasis id="B96AEAF2FFBF9B1D60D57BC4FE9DF919" bold="true" box="[254,314,1677,1698]" pageId="86" pageNumber="76">stipes</emphasis>
stramineous, less often brown;
<emphasis id="B96AEAF2FFBF9B1D625E7BC4FD4BF91A" bold="true" box="[629,748,1676,1698]" pageId="86" pageNumber="76">stipe scales</emphasis>
thick, brown, broadly ovate to linear-lanceolate, glabrous or with marginal setae, apparently caducous, rarely extending to rachis (
<taxonomicName id="4C1E4D63FFBF9B1D63527BE4FC5AF97A" box="[889,1021,1708,1730]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="86" pageNumber="76" phylum="Tracheophyta" rank="species" species="rodigasiana">
<emphasis id="B96AEAF2FFBF9B1D63527BE4FC5AF97A" box="[889,1021,1708,1730]" italics="true" pageId="86" pageNumber="76">R. rodigasiana</emphasis>
</taxonomicName>
);
<emphasis id="B96AEAF2FFBF9B1D643A7BE5FBF4F97A" bold="true" box="[1041,1107,1708,1729]" pageId="86" pageNumber="76">blades</emphasis>
membranaceous to chartaceous, drying green, sometimes brown-olivaceous, but never reddish, blade apex gradually reduced, proximal pinnae not reduced, or gradually to subabruptly reduced to small, sometimes auriculate pinnae, the smallest typically at least
<quantity id="4CE69B05FFBE9B1C61377DEBFEEAFF0C" box="[284,333,162,183]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="87" pageNumber="77" unit="cm" value="1.0">1 cm</quantity>
long, rarely less than
<quantity id="4CE69B05FFBE9B1C62087DEBFDF8FF0C" box="[547,607,162,183]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="87" pageNumber="77" unit="mm" value="5.0">5 mm</quantity>
, proliferous buds absent;
<emphasis id="B96AEAF2FFBE9B1C63737DEBFC39FF0C" bold="true" box="[856,926,162,183]" pageId="87" pageNumber="77">pinnae</emphasis>
sessile to subsessile, pinna-bases truncate, margins usually incised 1/33/5 to costae, segment apices typically rounded, sometimes truncate (
<taxonomicName id="4C1E4D63FFBE9B1C64BC7D8BFF38FF4C" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="truncata">
<emphasis id="B96AEAF2FFBE9B1C64BC7D8BFF38FF4C" italics="true" pageId="87" pageNumber="77">R. truncata</emphasis>
</taxonomicName>
), rarely acute (
<taxonomicName id="4C1E4D63FFBE9B1C61017DABFE27FF4C" box="[298,384,226,247]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="costata">
<emphasis id="B96AEAF2FFBE9B1C61017DABFE27FF4C" box="[298,384,226,247]" italics="true" pageId="87" pageNumber="77">R.costata</emphasis>
</taxonomicName>
), proximal pinnae gradually tapered towards bases or with acroscopic auricles;
<emphasis id="B96AEAF2FFBE9B1C64457DABFB04FF4C" bold="true" box="[1134,1187,226,247]" pageId="87" pageNumber="77">veins</emphasis>
of one to three pairs anastomosing to form an excurrent veinlet running to sinus membrane, or ending below it (
<taxonomicName id="4C1E4D63FFBE9B1C64587C4BFB74FEAD" box="[1139,1235,257,279]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="ecallosa">
<emphasis id="B96AEAF2FFBE9B1C64587C4BFB74FEAD" box="[1139,1235,257,279]" italics="true" pageId="87" pageNumber="77">R. ecallosa</emphasis>
</taxonomicName>
), subsequent veins ending at margin above sinus;
<emphasis id="B96AEAF2FFBE9B1C62727C68FD6BFE8D" bold="true" box="[601,716,289,310]" pageId="87" pageNumber="77">aerophores</emphasis>
absent, or present as swelling or discoloration at pinna-base, never peg-like;
<emphasis id="B96AEAF2FFBE9B1C614A7C0BFD8EFEEC" bold="true" box="[353,553,322,343]" pageId="87" pageNumber="77">indument abaxially</emphasis>
of short, erect hairs sometimes present on axes, laminar tissue typically glabrous, but erect acicular hairs sometimes present (
<taxonomicName id="4C1E4D63FFBE9B1C62AF7C2BFD42FECD" box="[644,741,353,375]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="ecallosa">
<emphasis id="B96AEAF2FFBE9B1C62AF7C2BFD42FECD" box="[644,741,353,375]" italics="true" pageId="87" pageNumber="77">R. ecallosa</emphasis>
</taxonomicName>
);
<emphasis id="B96AEAF2FFBE9B1C62D17C2BFC63FECC" bold="true" box="[762,964,354,375]" pageId="87" pageNumber="77">indument adaxially</emphasis>
often restricted to antrorsely arching hyaline or reddish hairs along rachis and costae, but short-erect hairs sometimes present on axes;
<emphasis id="B96AEAF2FFBE9B1C64A17CC8FB45FE2D" bold="true" box="[1162,1250,385,406]" pageId="87" pageNumber="77">pustules</emphasis>
sometimes present on adaxial laminae, these large and irregular or minute, colorless, and glandular (
<taxonomicName id="4C1E4D63FFBE9B1C646E7CEBFB02FE0D" box="[1093,1189,417,439]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="ecallosa">
<emphasis id="B96AEAF2FFBE9B1C646E7CEBFB02FE0D" box="[1093,1189,417,439]" italics="true" pageId="87" pageNumber="77">R. ecallosa</emphasis>
</taxonomicName>
);
<emphasis id="B96AEAF2FFBE9B1C64927CEBFB46FE0C" bold="true" box="[1209,1249,418,439]" pageId="87" pageNumber="77">sori</emphasis>
round, discrete, typically medial on veins, sometimes inframedial, almost always indusiate (except
<taxonomicName id="4C1E4D63FFBE9B1C64357C8BFBD1FE6C" box="[1054,1142,450,471]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="costata">
<emphasis id="B96AEAF2FFBE9B1C64357C8BFBD1FE6C" box="[1054,1142,450,471]" italics="true" pageId="87" pageNumber="77">R. costata</emphasis>
</taxonomicName>
sometimes exindusiate), though shriveled indusia in mature sori may be obscure, indusia dark brown, glabrous or with acicular hairs;
<emphasis id="B96AEAF2FFBE9B1C60987F4BFEBFFDAC" bold="true" box="[179,280,514,535]" pageId="87" pageNumber="77">sporangia</emphasis>
glabrous, or with stipitate glands on capsules, these usually colorless, rarely bearing setulae (except
<taxonomicName id="4C1E4D63FFBE9B1C64E67F4BFF65FD8C" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="oxyoura">
<emphasis id="B96AEAF2FFBE9B1C64E67F4BFF65FD8C" italics="true" pageId="87" pageNumber="77">R. oxyoura</emphasis>
</taxonomicName>
);
<emphasis id="B96AEAF2FFBE9B1C60FE7F68FEB0FD8D" bold="true" box="[213,279,545,566]" pageId="87" pageNumber="77">spores</emphasis>
tan to brown, perine with tubercles or robust echinae (
<bibRefCitation id="EF8F4B11FFBE9B1C63097F6BFC64FD8C" author="Patel" box="[802,963,546,567]" etAl="et al." firstAuthor="Patel" journalOrPublisher="Int. J. Pl. Sci." pageId="87" pageNumber="77" pagination="1016 - 1035" part="180" refId="ref112729" refString="PATEL, N., S. FAWCETT, M. SUNDUE, &amp; J. BUDKE. 2019 a. Evolution of perine morphology in Thelypteridaceae. Int. J. Pl. Sci. 180: 1016 - 1035." title="Evolution of perine morphology in Thelypteridaceae" type="journal article" year="2019" yearSuffix="a">Patel et al. 2019a</bibRefCitation>
;
<bibRefCitation id="EF8F4B11FFBE9B1C63E77F6BFB12FD8C" author="Tryon &amp; Lugardon" box="[972,1205,546,567]" firstAuthor="Tryon" journalOrPublisher="Springer-Verlag, New York, U. S. A" pageId="87" pageNumber="77" refId="ref115218" refString="TRYON, A. F. &amp; B. LUGARDON. 1991. Spores of Pteridophyta. Springer-Verlag, New York, U. S. A." title="Spores of Pteridophyta" type="book" year="1991">Tryon &amp; Lugardon 1991</bibRefCitation>
);
<emphasis id="B96AEAF2FFBE9B1C64EE7F6BFB77FD8C" box="[1221,1232,546,567]" italics="true" pageId="87" pageNumber="77">x</emphasis>
= 36, based on five species counts, mostly diploid, but
<taxonomicName id="4C1E4D63FFBE9B1C62417F0BFD76FDEC" box="[618,721,578,599]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="truncata">
<emphasis id="B96AEAF2FFBE9B1C62417F0BFD76FDEC" box="[618,721,578,599]" italics="true" pageId="87" pageNumber="77">R. truncata</emphasis>
</taxonomicName>
has both diploid and tetraploid cytotypes. No interspecific or intergeneric hybrids are known.
</paragraph>
</subSubSection>
<subSubSection id="C304656BFFBE9B1C60827FC8FCEAFC6C" pageId="87" pageNumber="77" type="diagnosis">
<paragraph id="8BA136E0FFBE9B1C60827FC8FCEAFC6C" blockId="87.[121,1250,162,1495]" pageId="87" pageNumber="77">
<emphasis id="B96AEAF2FFBE9B1C60827FC8FE36FD2D" box="[169,401,641,662]" italics="true" pageId="87" pageNumber="77">
Diagnosis.—
<taxonomicName id="4C1E4D63FFBE9B1C610B7FC8FE36FD2D" box="[288,401,641,662]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">Reholttumia</taxonomicName>
</emphasis>
is distinguished from
<taxonomicName id="4C1E4D63FFBE9B1C62447FCBFCA6FD2C" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[623,769,642,663]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus" sensu="stricto">
<emphasis id="B96AEAF2FFBE9B1C62447FCBFCA6FD2C" box="[623,769,642,663]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2595789FFBE9B1C632C7FCBFC84FD2C" box="[775,803,642,663]" pageId="87" pageNumber="77" sensu="stricto">
<emphasis id="B96AEAF2FFBE9B1C632C7FCBFCBAFD2C" box="[775,797,642,663]" italics="true" pageId="87" pageNumber="77">s.s</emphasis>
.
</taxonomicNameLabel>
by having inconspicuous or swollen (vs. peglike) aerophores; segment apices typically rounded or truncate (vs. broadly acute); sporangia sometimes bearing stipitate glands, but rarely setulose; proximal pinnae gradually or subabruptly (vs. abruptly) reduced, rarely reduced to less than
<quantity id="4CE69B05FFBE9B1C60867FABFF40FD4C" box="[173,231,738,759]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="87" pageNumber="77" unit="mm" value="5.0">5 mm</quantity>
long; and laminae drying green, or brown-olivaceous (vs. sometimes reddish). The pinna segments of
<taxonomicName id="4C1E4D63FFBE9B1C60527E48FF4DFCAD" box="[121,234,769,790]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C60527E48FF4DFCAD" box="[121,234,769,790]" italics="true" pageId="87" pageNumber="77">Reholttumia</emphasis>
</taxonomicName>
typically have about 7 veins per cm (vs. about 11 veins per cm in
<taxonomicName id="4C1E4D63FFBE9B1C63537E4BFBACFCAC" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[888,1035,770,791]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus" sensu="stricto">
<emphasis id="B96AEAF2FFBE9B1C63537E4BFBACFCAC" box="[888,1035,770,791]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2595789FFBE9B1C64397E4BFB8BFCAC" box="[1042,1068,770,791]" pageId="87" pageNumber="77" sensu="stricto">
<emphasis id="B96AEAF2FFBE9B1C64397E4BFB8EFCAC" box="[1042,1065,770,791]" italics="true" pageId="87" pageNumber="77">s.s</emphasis>
.
</taxonomicNameLabel>
), but species with smaller proportions, and narrower pinnae (e.g.,
<taxonomicName id="4C1E4D63FFBE9B1C62637E6BFD6DFC8C" box="[584,714,802,823]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="macroptera">
<emphasis id="B96AEAF2FFBE9B1C62637E6BFD6DFC8C" box="[584,714,802,823]" italics="true" pageId="87" pageNumber="77">R. macroptera</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1E4D63FFBE9B1C62FD7E6BFCF8FC8D" box="[726,863,801,823]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="kerintjiensis">
<emphasis id="B96AEAF2FFBE9B1C62FD7E6BFCF8FC8D" box="[726,863,801,823]" italics="true" pageId="87" pageNumber="77">R. kerintjiensis</emphasis>
</taxonomicName>
) may have as many as 11 veins per cm. Another species,
<taxonomicName id="4C1E4D63FFBE9B1C61367E0BFECCFCED" box="[285,363,833,855]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="laevis">
<emphasis id="B96AEAF2FFBE9B1C61367E0BFECCFCED" box="[285,363,833,855]" italics="true" pageId="87" pageNumber="77">R. laevis</emphasis>
</taxonomicName>
, is atypical in the genus in having oblique, asymmetric pinnae, small stature, and a creeping rhizome; it is also the earliest-diverging species in our sample.
<taxonomicName id="4C1E4D63FFBE9B1C62E47E28FC8EFCCD" box="[719,809,865,886]" class="Polypodiopsida" family="Thelypteridaceae" genus="Christella" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C62E47E28FC8EFCCD" box="[719,809,865,886]" italics="true" pageId="87" pageNumber="77">Christella</emphasis>
</taxonomicName>
differs by generally having abundant hairs on axes and laminae, and often by having characteristic pear-shaped orangish laminar and sporangial glands; it also lacks laminar pustules.
<taxonomicName id="4C1E4D63FFBE9B1C610E7EE8FE6EFC0D" baseAuthorityName="Holttum" baseAuthorityYear="1982" box="[293,457,929,950]" class="Polypodiopsida" family="Thelypteridaceae" genus="Sphaerostephanos" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C610E7EE8FE6EFC0D" box="[293,457,929,950]" italics="true" pageId="87" pageNumber="77">Sphaerostephanos</emphasis>
</taxonomicName>
differs in sometimes having yellow, sessile spherical glands.
<taxonomicName id="4C1E4D63FFBE9B1C64267EE8FB25FC0D" box="[1037,1154,929,950]" class="Polypodiopsida" family="Thelypteridaceae" genus="Plesioneuron" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C64267EE8FB25FC0D" box="[1037,1154,929,950]" italics="true" pageId="87" pageNumber="77">Plesioneuron</emphasis>
</taxonomicName>
differs by having dark (vs. tan) spores, and pinnae usually incised nearly to the costae.
</paragraph>
</subSubSection>
<subSubSection id="C304656BFFBE9B1C60827EA8FC67FB2C" pageId="87" pageNumber="77" type="biology_ecology">
<paragraph id="8BA136E0FFBE9B1C60827EA8FC67FB2C" blockId="87.[121,1250,162,1495]" pageId="87" pageNumber="77">
<emphasis id="B96AEAF2FFBE9B1C60827EA8FE34FC4D" box="[169,403,993,1014]" italics="true" pageId="87" pageNumber="77">Biogeography and ecology</emphasis>
.—The 30 species of
<taxonomicName id="4C1E4D63FFBE9B1C627E7EA8FD62FC4D" box="[597,709,993,1014]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C627E7EA8FD62FC4D" box="[597,709,993,1014]" italics="true" pageId="87" pageNumber="77">Reholttumia</emphasis>
</taxonomicName>
occur in forests and openings, often beside streams, generally at lower elevations, but some species reach about
<quantity id="4CE69B05FFBE9B1C62AE794BFD76FBAC" box="[645,721,1026,1047]" metricMagnitude="3" metricUnit="m" metricValue="2.3" pageId="87" pageNumber="77" unit="m" value="2300.0">2300 m</quantity>
. The greatest species diversity is in
<collectingCountry id="F3097670FFBE9B1C6434794BFBCCFBAC" box="[1055,1131,1026,1047]" name="Malaysia" pageId="87" pageNumber="77">Malesia</collectingCountry>
, but a dozen species occur in the Pacific and Australasia (
<bibRefCitation id="EF8F4B11FFBE9B1C6231796BFD09FB8C" author="Holttum" box="[538,686,1058,1079]" firstAuthor="Holttum" journalOrPublisher="Allertonia" pageId="87" pageNumber="77" pagination="169 - 234" part="1" refId="ref109882" refString="HOLTTUM, R. E. 1977 b. The family Thelypteridaceae in the Pacific and Australasia. Allertonia 1: 169 - 234." title="The family Thelypteridaceae in the Pacific and Australasia" type="journal article" year="1977" yearSuffix="b">Holttum 1977b</bibRefCitation>
), with one species reaching the Hawaiian Islands (
<taxonomicName id="4C1E4D63FFBE9B1C64A0796BFF0BFBEC" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="hudsoniana">
<emphasis id="B96AEAF2FFBE9B1C64A0796BFF0BFBEC" italics="true" pageId="87" pageNumber="77">R. hudsoniana</emphasis>
</taxonomicName>
). The western range of the genus nearly corresponds to that of its most widespread and highly variable species,
<taxonomicName id="4C1E4D63FFBE9B1C64E6790BFF6FFBCC" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="truncata">
<emphasis id="B96AEAF2FFBE9B1C64E6790BFF6FFBCC" italics="true" pageId="87" pageNumber="77">R. truncata</emphasis>
</taxonomicName>
, which occurs in
<collectingCountry id="F3097670FFBE9B1C6158792BFE6AFBCC" box="[371,461,1122,1143]" name="Australia" pageId="87" pageNumber="77">Australia</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C61FD792BFDB3FBCC" box="[470,532,1122,1143]" name="China" pageId="87" pageNumber="77">China</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C6236792BFDF5FBCC" box="[541,594,1122,1143]" name="India" pageId="87" pageNumber="77">India</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C6271792BFD35FBCC" box="[602,658,1122,1143]" name="Japan" pageId="87" pageNumber="77">Japan</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C62B7792BFD6CFBCC" box="[668,715,1122,1143]" name="Laos" pageId="87" pageNumber="77">Laos</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C62FF792BFC8BFBCC" box="[724,812,1122,1143]" name="Malaysia" pageId="87" pageNumber="77">Malaysia</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C631F792BFC27FBCC" box="[820,896,1122,1143]" name="Malaysia" pageId="87" pageNumber="77">Malesia</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C63A1792BFC4EFBCC" box="[906,1001,1122,1143]" name="Myanmar" pageId="87" pageNumber="77">Myanmar</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C63D9792BFBF6FBCC" box="[1010,1105,1122,1143]" name="Sri Lanka" pageId="87" pageNumber="77">Sri Lanka</collectingCountry>
,
<collectingCountry id="F3097670FFBE9B1C6471792BFB13FBCC" box="[1114,1204,1122,1143]" name="Thailand" pageId="87" pageNumber="77">Thailand</collectingCountry>
, and
<collectingCountry id="F3097670FFBE9B1C605279CBFF69FB2C" box="[121,206,1154,1175]" name="Vietnam" pageId="87" pageNumber="77">Vietnam</collectingCountry>
. The genus is represented on
<collectingCountry id="F3097670FFBE9B1C61C879CBFDF1FB2C" box="[483,598,1154,1175]" name="Madagascar" pageId="87" pageNumber="77">Madagascar</collectingCountry>
by at least one species,
<taxonomicName id="4C1E4D63FFBE9B1C631979CBFC1DFB2C" box="[818,954,1154,1175]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="remotipinna">
<emphasis id="B96AEAF2FFBE9B1C631979CBFC1DFB2C" box="[818,954,1154,1175]" italics="true" pageId="87" pageNumber="77">R. remotipinna</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C304656BFFBE9B1C608279EBFF1FFA6C" pageId="87" pageNumber="77" type="discussion">
<paragraph id="8BA136E0FFBE9B1C608279EBFF1FFA6C" blockId="87.[121,1250,162,1495]" pageId="87" pageNumber="77">
<emphasis id="B96AEAF2FFBE9B1C608279EBFE49FB0D" box="[169,494,1185,1207]" italics="true" pageId="87" pageNumber="77">Taxonomic and phylogenetic studies</emphasis>
.—All constituent species of
<taxonomicName id="4C1E4D63FFBE9B1C62D479E8FCC8FB0D" box="[767,879,1185,1206]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C62D479E8FCC8FB0D" box="[767,879,1185,1206]" italics="true" pageId="87" pageNumber="77">Reholttumia</emphasis>
</taxonomicName>
were treated within
<taxonomicName id="4C1E4D63FFBE9B1C641879EBFB63FB0C" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[1075,1220,1186,1207]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C641879EBFB63FB0C" box="[1075,1220,1186,1207]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
by
<bibRefCitation id="EF8F4B11FFBE9B1C6052798BFEAAFB6C" author="Holttum" box="[121,269,1218,1239]" firstAuthor="Holttum" journalOrPublisher="Blumea" pageId="87" pageNumber="77" pagination="17 - 52" part="19" refId="ref109463" refString="HOLTTUM, R. E. 1971. Studies in the family Thelypteridaceae III. A new system of genera in the Old World. Blumea 19: 17 - 52." title="Studies in the family Thelypteridaceae III. A new system of genera in the Old World" type="journal article" year="1971">Holttum (1971</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBE9B1C6133798BFEF2FB6C" author="Holttum" box="[280,341,1218,1239]" firstAuthor="Holttum" journalOrPublisher="Blumea" pageId="87" pageNumber="77" pagination="293 - 325" part="21" refId="ref109522" refString="HOLTTUM, R. E. 1973 a. Studies in the family Thelypteridaceae V. The genus Pneumatopteris Nakai. Blumea 21: 293 - 325." title="Studies in the family Thelypteridaceae V. The genus Pneumatopteris Nakai" type="journal article" year="1973" yearSuffix="a">1973a</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBE9B1C614B798BFE3BFB6C" author="Holttum" box="[352,412,1218,1239]" firstAuthor="Holttum" journalOrPublisher="J. S. African Bot." pageId="87" pageNumber="77" pagination="123 - 168" part="40" refId="ref109577" refString="HOLTTUM, R. E. 1974 a. Thelypteridaceae of Africa and adjacent islands. J. S. African Bot. 40: 123 - 168." title="Thelypteridaceae of Africa and adjacent islands" type="journal article" year="1974" yearSuffix="a">1974a</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBE9B1C618D798BFE42FB6C" author="Holttum" box="[422,485,1218,1239]" firstAuthor="Holttum" journalOrPublisher="Allertonia" pageId="87" pageNumber="77" pagination="169 - 234" part="1" refId="ref109882" refString="HOLTTUM, R. E. 1977 b. The family Thelypteridaceae in the Pacific and Australasia. Allertonia 1: 169 - 234." title="The family Thelypteridaceae in the Pacific and Australasia" type="journal article" year="1977" yearSuffix="b">1977b</bibRefCitation>
,
<bibRefCitation id="EF8F4B11FFBE9B1C61DB798BFD84FB6C" author="Holttum" box="[496,547,1218,1239]" firstAuthor="Holttum" journalOrPublisher="Flora Malesiana" pageId="87" pageNumber="77" pagination="334 - 560" part="1" refId="ref109955" refString="HOLTTUM, R. E. 1982. Thelypteridaceae. Flora Malesiana, Ser. II, 1 (5): 334 - 560." title="Thelypteridaceae" type="journal article" year="1982">1982</bibRefCitation>
). However, his taxonomic concept of
<taxonomicName id="4C1E4D63FFBE9B1C63B7798BFB95FB6C" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[924,1074,1218,1239]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C63B7798BFB95FB6C" box="[924,1074,1218,1239]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
has proven to be extremely broad and heterogeneous, as it encompasses species from ten distinct lineages, which we treat herein within existing genera or in newly described genera (see
<taxonomicName id="4C1E4D63FFBE9B1C62AB784BFCBDFAAC" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[640,794,1282,1303]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C62AB784BFCBDFAAC" box="[640,794,1282,1303]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
for further discussion). Because the
<typeStatus id="54A58842FFBE9B1C64B37848FB62FAAD" box="[1176,1221,1281,1302]" pageId="87" pageNumber="77">type</typeStatus>
of
<taxonomicName id="4C1E4D63FFBE9B1C6052786BFEAEFA8C" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[121,265,1314,1335]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C6052786BFEAEFA8C" box="[121,265,1314,1335]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
,
<emphasis id="B96AEAF2FFBE9B1C613F786BFEC8FA8D" box="[276,367,1313,1335]" italics="true" pageId="87" pageNumber="77">
<taxonomicName id="4C1E4D63FFBE9B1C613F786BFECBFA8D" box="[276,364,1313,1335]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="species" species="callosa">P.callosa</taxonomicName>
,
</emphasis>
is in a small clade that is sister to
<taxonomicName id="4C1E4D63FFBE9B1C62987868FCF0FA8D" baseAuthorityName="Holttum" baseAuthorityYear="1982" box="[691,855,1313,1334]" class="Polypodiopsida" family="Thelypteridaceae" genus="Sphaerostephanos" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C62987868FCF0FA8D" box="[691,855,1313,1334]" italics="true" pageId="87" pageNumber="77">Sphaerostephanos</emphasis>
</taxonomicName>
(a genus of about 200 species;
<figureCitation id="13252A65FFBE9B1C6456786BFB14FA8C" box="[1149,1203,1314,1335]" captionStart="FIG" captionStartId="21.[121,129,1674,1694]" captionTargetBox="[123,1242,160,1631]" captionTargetId="figure-8@21.[121,1246,150,1639]" captionTargetPageId="21" captionText="FIG. 1. A synoptical treeillustrating relationships among genera of Thelypteridaceae based on Fawcett et al.(in press)." figureDoi="http://doi.org/10.5281/zenodo.14111042" httpUri="https://zenodo.org/record/14111042/files/figure.png" pageId="87" pageNumber="77">
<emphasis id="B96AEAF2FFBE9B1C6456786BFB14FA8C" bold="true" box="[1149,1203,1314,1335]" pageId="87" pageNumber="77">Fig. 1</emphasis>
</figureCitation>
), we recognize
<taxonomicName id="4C1E4D63FFBE9B1C60F5780BFED6FAEC" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[222,369,1346,1367]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C60F5780BFED6FAEC" box="[222,369,1346,1367]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
in a greatly restricted sense, and segregate
<taxonomicName id="4C1E4D63FFBE9B1C63357808FC28FAED" box="[798,911,1345,1366]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C63357808FC28FAED" box="[798,911,1345,1366]" italics="true" pageId="87" pageNumber="77">Reholttumia</emphasis>
</taxonomicName>
—a morphologically coherent and large clade that is sister to
<taxonomicName id="4C1E4D63FFBE9B1C615A782BFDA5FACC" baseAuthorityName="Holttum" baseAuthorityYear="1973" box="[369,514,1378,1399]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus" sensu="stricto">
<emphasis id="B96AEAF2FFBE9B1C615A782BFDA5FACC" box="[369,514,1378,1399]" italics="true" pageId="87" pageNumber="77">Pneumatopteris</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2595789FFBE9B1C622D782BFD85FACD" box="[518,546,1377,1399]" pageId="87" pageNumber="77" sensu="stricto">
<emphasis id="B96AEAF2FFBE9B1C622D782BFDBBFACC" box="[518,540,1378,1399]" italics="true" pageId="87" pageNumber="77">s.s</emphasis>
.
</taxonomicNameLabel>
plus
<taxonomicName id="4C1E4D63FFBE9B1C627F7828FD5EFACD" baseAuthorityName="Holttum" baseAuthorityYear="1982" box="[596,761,1377,1398]" class="Polypodiopsida" family="Thelypteridaceae" genus="Sphaerostephanos" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C627F7828FD5EFACD" box="[596,761,1377,1398]" italics="true" pageId="87" pageNumber="77">Sphaerostephanos</emphasis>
</taxonomicName>
(
<emphasis id="B96AEAF2FFBE9B1C632E782BFCE6FACC" bold="true" box="[773,833,1378,1399]" pageId="87" pageNumber="77">
<figureCitation id="13252A65FFBE9B1C632E782BFC9BFACC" box="[773,828,1378,1399]" captionStart="FIG" captionStartId="21.[121,129,1674,1694]" captionTargetBox="[123,1242,160,1631]" captionTargetId="figure-8@21.[121,1246,150,1639]" captionTargetPageId="21" captionText="FIG. 1. A synoptical treeillustrating relationships among genera of Thelypteridaceae based on Fawcett et al.(in press)." figureDoi="http://doi.org/10.5281/zenodo.14111042" httpUri="https://zenodo.org/record/14111042/files/figure.png" pageId="87" pageNumber="77">Fig. 1</figureCitation>
;
</emphasis>
Fawcett et al. in press). This new genus represents the largest segregate of
<taxonomicName id="4C1E4D63FFBE9B1C618B78CBFD47FA2D" authority="sensu Holttum. In" authorityName="sensu Holttum. In" authorityYear="1982" box="[416,736,1409,1431]" class="Polypodiopsida" family="Thelypteridaceae" genus="Pneumatopteris" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C618B78CBFDCEFA2C" box="[416,617,1410,1431]" italics="true" pageId="87" pageNumber="77">Pneumatopteris sensu</emphasis>
Holttum. In
</taxonomicName>
our phylogenetic analyses,
<taxonomicName id="4C1E4D63FFBE9B1C63CD78C8FBF1FA2D" box="[998,1110,1409,1430]" class="Polypodiopsida" family="Thelypteridaceae" genus="Reholttumia" kingdom="Plantae" order="Polypodiales" pageId="87" pageNumber="77" phylum="Tracheophyta" rank="genus">
<emphasis id="B96AEAF2FFBE9B1C63CD78C8FBF1FA2D" box="[998,1110,1409,1430]" italics="true" pageId="87" pageNumber="77">Reholttumia</emphasis>
</taxonomicName>
is represented by 25 accessions, including 13 of 30 currently recognized species, and several undescribed species (Fawcett et al. in press).
</paragraph>
</subSubSection>
</treatment>
</document>