Biomechanical analysis of a Palaeozoic gymnosperm stem
1993; Royal Society; Volume: 252; Issue: 1333 Linguagem: Inglês
10.1098/rspb.1993.0041
ISSN1471-2954
AutoresNicholas Rowe, Thomas Speck, Jean Galtier,
Tópico(s)Botanical Research and Applications
ResumoRestricted accessMoreSectionsView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail Cite this article Rowe N. P. , Speck T. and Galtier J. 1993Biomechanical analysis of a Palaeozoic gymnosperm stemProc. R. Soc. Lond. B.25219–28http://doi.org/10.1098/rspb.1993.0041SectionRestricted accessArticleBiomechanical analysis of a Palaeozoic gymnosperm stem N. P. Rowe Google Scholar Find this author on PubMed Search for more papers by this author , T. Speck Google Scholar Find this author on PubMed Search for more papers by this author and J. Galtier Google Scholar Find this author on PubMed Search for more papers by this author N. P. Rowe Google Scholar Find this author on PubMed , T. Speck Google Scholar Find this author on PubMed and J. Galtier Google Scholar Find this author on PubMed Published:22 April 1993https://doi.org/10.1098/rspb.1993.0041AbstractBiomechanical parameters are presented for permineralized Calamopitys stems from the Lower Carboniferous of central Germany. A centrisymmetrical model of the fossilized plant stem as viewed in transverse section suggests that slender stems up to 15 mm in diameter were semi-self-supporting. Analysis of the contribution of various tissue types to the mechanical stability of the stem shows that the outer cortex (alternating bands of fibres and parenchyma) was the principal contributor to flexural stiffness of the stem followed by the multi-fascicular petiole bundles. The cylinder of wood located near to the centre of the stem is of relatively minor structural importance. The slender Calamopitys stem differs in mechanical terms from the plesiomorphic arrangement observed in aneurophytalean progymnosperms as a result of the support provided by numerous petiolar bundles. This contrasts with the structural divergence observed in Lyginopteris oldhamia, which resulted from an increased diameter of the procambium and larger role of the wood cylinder for mechanical support.FootnotesThis text was harvested from a scanned image of the original document using optical character recognition (OCR) software. As such, it may contain errors. Please contact the Royal Society if you find an error you would like to see corrected. Mathematical notations produced through Infty OCR. Previous ArticleNext Article VIEW FULL TEXT DOWNLOAD PDF FiguresRelatedReferencesDetailsCited by Decombeix A and Galtier J (2021) Periderm Production in the Mississippian Cladoxylopsid Cladoxylon taeniatum and a Review of Periderm Occurrence in Paleozoic Plants , International Journal of Plant Sciences, 10.1086/714284, 182:6, (430-444), Online publication date: 1-Jul-2021. D'Angelo J and Zodrow E (2018) Density and biomechanical properties of fossil fronds. 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Speck T and Rowe N (1994) Biomechanical analysis ofPitus dayi: Early seed plant vegetative morphology and its implications on growth habit, Journal of Plant Research, 10.1007/BF02344067, 107:4, (443-460), Online publication date: 1-Dec-1994. This Issue22 April 1993Volume 252Issue 1333 Article InformationDOI:https://doi.org/10.1098/rspb.1993.0041Published by:Royal SocietyPrint ISSN:0962-8452Online ISSN:1471-2954History: Manuscript received19/11/1992Manuscript accepted14/12/1992Published online01/01/1997Published in print22/04/1993 License:Scanned images copyright © 2017, Royal Society Citations and impact Large datasets are available through Proceedings B's partnership with Dryad
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