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<document id="0619282CC773D629A88C332E30CB31F8" ID-DOI="10.1515/bot-2021-0013" ID-ISSN="1437-4323" ID-Zenodo-Dep="11000093" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="valdenar" IM.treatments_approvedBy="valdenar" checkinTime="1713579772601" checkinUser="felipe" docAuthor="D’Archino, Roberta &amp; Zuccarello, Giuseppe C." docDate="2021" docId="03B97F3CD42FD7725EFADA04FACD1DC6" docLanguage="en" docName="BotMar.64.2.129-138.pdf" docOrigin="Botanica Marina (Warsaw, Poland) 64 (2)" docSource="http://dx.doi.org/10.1515/bot-2021-0013" docStyle="DocumentStyle:9102D1D0F376D6FBA22A1B5DFA71D3A3.1:BotMar.2015-.journal_article.closed" docStyleId="9102D1D0F376D6FBA22A1B5DFA71D3A3" docStyleName="BotMar.2015-.journal_article.closed" docStyleVersion="1" docTitle="Pachymeniopsis lanceolata" docType="treatment" docVersion="3" lastPageNumber="131" masterDocId="FF800744D42DD7705E72DC42FFCB1E6D" masterDocTitle="Two red macroalgae newly introduced into New Zealand: Pachymeniopsis lanceolata (K. Okamura) Y. Yamada ex S. Kawabata and Fushitsunagia catenata Filloramo et G. W. Saunders" masterLastPageNumber="138" masterPageNumber="129" pageNumber="131" updateTime="1714497534951" updateUser="valdenar">
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<mods:title id="E6895FDFD7D31F49AB4953B0A0C84D08">Two red macroalgae newly introduced into New Zealand: Pachymeniopsis lanceolata (K. Okamura) Y. Yamada ex S. Kawabata and Fushitsunagia catenata Filloramo et G. W. Saunders</mods:title>
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<treatment id="03B97F3CD42FD7725EFADA04FACD1DC6" LSID="urn:lsid:plazi:treatment:03B97F3CD42FD7725EFADA04FACD1DC6" httpUri="http://treatment.plazi.org/id/03B97F3CD42FD7725EFADA04FACD1DC6" lastPageNumber="131" pageId="2" pageNumber="131">
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<paragraph id="8BAFCE2AD42FD7725EFADA04FD5E1830" blockId="2.[136,661,1606,1629]" box="[136,661,1606,1629]" pageId="2" pageNumber="131">
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3.2.1
<taxonomicName id="4C10B5A9D42FD7725EBBDA04FE391830" authority="(K. Okamura)" box="[201,498,1606,1629]" class="Florideophyceae" family="Halymeniaceae" genus="Pachymeniopsis" higherTaxonomySource="GBIF,CoL" kingdom="Plantae" order="Halymeniales" pageId="2" pageNumber="131" phylum="Rhodophyta" rank="species" species="lanceolata">
<emphasis id="B9641238D42FD7725EBBDA04FE391830" bold="true" box="[201,498,1606,1629]" italics="true" pageId="2" pageNumber="131">Pachymeniopsis lanceolata</emphasis>
</taxonomicName>
(
<figureCitation id="132BD2AFD42FD7725C72DA04FD451830" box="[512,654,1606,1629]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 3–16</figureCitation>
)
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C30A9DA1D42FD7725EFADACEFACD1DC6" pageId="2" pageNumber="131" type="description">
<paragraph id="8BAFCE2AD42FD7725EFADACEFACD1DC6" blockId="2.[136,764,1676,1940]" lastBlockId="2.[794,1422,193,940]" pageId="2" pageNumber="131">
Thalli (
<figureCitation id="132BD2AFD42FD7725EA0DACEFE9118CF" box="[210,346,1676,1698]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 3–10</figureCitation>
) were flattened, 14–35 (60) cm high and
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wide, and attached by a discoid holdfast, from which a short (
<figureCitation id="132BD2AFD42FD7725F43DA93FE3C188A" box="[305,503,1745,1767]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 5–6, 9–10</figureCitation>
) or nearly non-existent stipe arose (
<figureCitation id="132BD2AFD42FD7725F75DAB1FE651967" box="[263,430,1779,1802]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 3 and 4</figureCitation>
). Thalli were solitary (
<figureCitation id="132BD2AFD42FD7725CEADAB1FF021941" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 4 and 5</figureCitation>
) or clustered (
<figureCitation id="132BD2AFD42FD7725F00DB54FE1A1941" box="[370,465,1814,1836]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figure 8</figureCitation>
), the blades were broadly lanceolate (
<figureCitation id="132BD2AFD42FD7725F7EDB7AFE501923" box="[268,411,1848,1870]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 3, 4</figureCitation>
, and 6) or irregularly divided (
<figureCitation id="132BD2AFD42FD7725EFDDB19FEDB191C" box="[143,272,1883,1905]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 6–8</figureCitation>
). Old thalli became proliferous (
<figureCitation id="132BD2AFD42FD7725C1ADB19FF6F19F9" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 8 and 10</figureCitation>
). Thalli were purplish-red to brownish, with a membranous texture that became leathery in old plants. Large thalli had a strong chlorine smell. Blades were 200– 600 µm thick (
<figureCitation id="132BD2AFD42FD7725DC8DD44FBB21F71" box="[954,1145,262,284]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 11 and 12</figureCitation>
), reaching up to
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in thickness in old specimens. The cortex consisted of anticlinal filaments (6) 8–12 cells long, the cells becoming progressively smaller toward the surface layer of elongate cells (
<figureCitation id="132BD2AFD42FD7725D29DDD2FC081FCB" box="[859,963,400,422]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figure 12</figureCitation>
). The medulla was composed of sparsely to densely compacted filaments, 2–7 µm in diameter (
<figureCitation id="132BD2AFD42FD7725D53DD97FC241F86" box="[801,1007,469,491]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figures 11 and 12</figureCitation>
). Male gametophytes were found in winter, whereas cystocarps and tetrasporophytes were seen in summer. Tetrasporangia (
<figureCitation id="132BD2AFD42FD7725A38DE58FB651C5D" box="[1098,1198,538,560]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figure 13</figureCitation>
) were scattered over the blade (30–53 × 15–21 µm) and were cruciately divided. The carpogonial branch ampullae were monocarpogonial (
<figureCitation id="132BD2AFD42FD7725D53DEC0FC4C1CF5" box="[801,903,642,664]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figure 14</figureCitation>
), 45–57 × 29–40 µm. The auxiliary cell ampullae (
<figureCitation id="132BD2AFD42FD7725D53DEE6FC491CD7" box="[801,898,676,698]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figure 15</figureCitation>
) were 40–46 µm in length and 30–36 µm in width. The auxiliary cell was intercalary in one of the ampullar filaments and had 12 × 7 µm dimensions. Cystocarps (
<figureCitation id="132BD2AFD42FD7725D53DF4EFC4E1D4F" box="[801,901,780,802]" captionStart="Figures 3–16" captionStartId="3.[166,233,1762,1781]" captionTargetBox="[167,1413,142,1722]" captionTargetId="figure-1@3.[166,1414,138,1723]" captionTargetPageId="3" captionText="Figures 3–16: Pachymeniopsis lanceolata. Habit, vegetative and reproductive morphology. (3–10) Morphological variation of samples collected in Lyttelton (WELT A034375–A034381) and Taranaki (WELT A034374) (Figure 6). Scale bar = 2 cm. (11) Cross-section through a young blade showing the thin anticlinal cortex and a lax medulla composed of sparse periclinal filaments (WELT A034376). Scale bar = 20 μm. (12) Cross-section through a mature blade showing a thick cortex and a medulla composed of densely aggregated filaments (WELT A034380). Scale bar = 20 μm. (13) Tetrasporangia (arrows) borne in and dislodged from the cortex (WELT A034377). Scale bar = 20 μm. (14) A carpogonial branch ampulla. Arrow shows trichogyne (WELT A034381). Scale bar = 20 μm. (15) An auxiliary cell ampulla. Arrow shows auxiliary cell (WELT A034381). Scale bar = 20 μm. (16) mature carposporophytes, the distal globular consolidated gonimolobes borne aloft on a columnar fusion cell into the central cystocarp chamber (WELT A034380). Scale bar = 20 µm." figureDoi="http://doi.org/10.5281/zenodo.11000099" httpUri="https://zenodo.org/record/11000099/files/figure.png" pageId="2" pageNumber="131">Figure 16</figureCitation>
) were 100–220 µm in diameter, immersed in the blades and surrounded by a rudimentary pericarp of lax ampullar filaments. The carposporophytes consisted of three synchronously maturing lobes and contained irregularly angular carpospores (15–22 × 10–13 µm).
</paragraph>
</subSubSection>
</treatment>
</document>
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