Morphology and anatomy of anomalous cladodes in Sciadopitys verticillata Siebold & Zucc. (Sciadopityaceae)
The needles of Sciadopitys verticillata Siebold & Zucc. (Sciadopityaceae) are inserted in the axils of the reduced scaly leaves and are thus generally regarded as cladodes. The evolutionary pathway leading to these cladodes remained, however, dubious and conflicting interpretations are given. In...
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| Veröffentlicht in: | Trees (Berlin, West) West), 2011-04, Vol.25 (2), p.199-213 |
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| creator | Dörken, V. M. Stützel, T. |
| description | The needles of
Sciadopitys verticillata
Siebold & Zucc. (Sciadopityaceae) are inserted in the axils of the reduced scaly leaves and are thus generally regarded as cladodes. The evolutionary pathway leading to these cladodes remained, however, dubious and conflicting interpretations are given. Intermediate morphological structures are known basically from one single paper (Carrière
1868
), giving only line drawings of the morphology without any further anatomical details. Attempts to produce such intermediate cladodes in experiments failed, but amongst thousands of checked individuals by chance one was found displaying such intermediate or malformed cladodes. These were analyzed morphologically and anatomically in detail. The results gave new insights into the evolution of these cladodes and might raise new questions about the monophyletic origin of the gymnosperm leaf. |
| doi_str_mv | 10.1007/s00468-010-0498-6 |
| format | Article |
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Sciadopitys verticillata
Siebold & Zucc. (Sciadopityaceae) are inserted in the axils of the reduced scaly leaves and are thus generally regarded as cladodes. The evolutionary pathway leading to these cladodes remained, however, dubious and conflicting interpretations are given. Intermediate morphological structures are known basically from one single paper (Carrière
1868
), giving only line drawings of the morphology without any further anatomical details. Attempts to produce such intermediate cladodes in experiments failed, but amongst thousands of checked individuals by chance one was found displaying such intermediate or malformed cladodes. These were analyzed morphologically and anatomically in detail. The results gave new insights into the evolution of these cladodes and might raise new questions about the monophyletic origin of the gymnosperm leaf.</description><identifier>ISSN: 0931-1890</identifier><identifier>EISSN: 1432-2285</identifier><identifier>DOI: 10.1007/s00468-010-0498-6</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Agriculture ; Biomedical and Life Sciences ; Forestry ; Life Sciences ; Original Paper ; Plant Anatomy/Development ; Plant Pathology ; Plant Physiology ; Plant Sciences</subject><ispartof>Trees (Berlin, West), 2011-04, Vol.25 (2), p.199-213</ispartof><rights>Springer-Verlag 2010</rights><rights>Springer-Verlag 2011</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-807e1ae5b7a260ee0386f31758361d9b73c6b17c193a1a7bb636da4f3027c1f3</citedby><cites>FETCH-LOGICAL-c358t-807e1ae5b7a260ee0386f31758361d9b73c6b17c193a1a7bb636da4f3027c1f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00468-010-0498-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00468-010-0498-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Dörken, V. M.</creatorcontrib><creatorcontrib>Stützel, T.</creatorcontrib><title>Morphology and anatomy of anomalous cladodes in Sciadopitys verticillata Siebold & Zucc. (Sciadopityaceae)</title><title>Trees (Berlin, West)</title><addtitle>Trees</addtitle><description>The needles of
Sciadopitys verticillata
Siebold & Zucc. (Sciadopityaceae) are inserted in the axils of the reduced scaly leaves and are thus generally regarded as cladodes. The evolutionary pathway leading to these cladodes remained, however, dubious and conflicting interpretations are given. Intermediate morphological structures are known basically from one single paper (Carrière
1868
), giving only line drawings of the morphology without any further anatomical details. Attempts to produce such intermediate cladodes in experiments failed, but amongst thousands of checked individuals by chance one was found displaying such intermediate or malformed cladodes. These were analyzed morphologically and anatomically in detail. 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1868
), giving only line drawings of the morphology without any further anatomical details. Attempts to produce such intermediate cladodes in experiments failed, but amongst thousands of checked individuals by chance one was found displaying such intermediate or malformed cladodes. These were analyzed morphologically and anatomically in detail. The results gave new insights into the evolution of these cladodes and might raise new questions about the monophyletic origin of the gymnosperm leaf.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00468-010-0498-6</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | Agriculture Biomedical and Life Sciences Forestry Life Sciences Original Paper Plant Anatomy/Development Plant Pathology Plant Physiology Plant Sciences |
| title | Morphology and anatomy of anomalous cladodes in Sciadopitys verticillata Siebold & Zucc. (Sciadopityaceae) |
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