Summary
Infrared spectra (4000...250 cm-1) of thin sections (12μm) of woods from some pored gymnosperms of the order Gnetales and of a non-pored angiosperm of the family Winteraceae have been obtained and found to resemble closely the spectra of typical angiosperms rather than gymnosperms. These results indicate that the gross chemical composition of a wood is not related to its anatomical structure and show that chemically the Gnetales resemble angiosperms.
Zusammenfassung
Die Infrarot-Spektren (4000...250 cm-1) dünner Holzchnitte (12μm) von einigen gefäßführenden Gymnosperment der Ordnung Gnetales, sowie von einem gefäßlosen Angiospermen der Familie Winteraceae zeigten mit Spektren von typischen Angiospermen — und nicht etwa mit denjenigen von Gymnospermen — eine große Ähnlichkeit. Diese Ergebnisse deuten darauf hin, daß die chemische Zusammensetzung einer bestimmten Holzart nicht durch deren anatomisches Gefüge bedingt ist; sie zeigen fernerhin, daß die Ordnung Gnetales chemisch den Angiospermen nahesteht.
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Michell, A.J., Ingle, H.D. & Stewart, C.M. Infrared spectra of some woods of taxonomic interest. Wood Sci.Technol. 3, 93–99 (1969). https://doi.org/10.1007/BF00639633
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DOI: https://doi.org/10.1007/BF00639633