The taxonomic position of Sphaerocarpos and Riella as indicated by their flavonoid chemistry |
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| Authors: | Kenneth R Markham Lawrence J Porter Norton G Miller |
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| Institution: | Chemistry Division, DSIR, Petone, New Zealand;Department of Botany, University of North Carolina, Chapel Hill 27514 U.S.A. |
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| Abstract: | The major flavonoid glycosides of Sphaerocarpos texanus are luteolin 7-O-glucuronide and 7,4′-di-O-glucuronide. Riella americana and R. affinis both contain apigenin, chrysoeriol and luteolin 7-O-glucuronides but R. americana additionally contains luteolin 3′-O-glucuronide. This finding supports the inclusion of Sphaerocarpaceae and Riellaceae in the order Marchantiales rather than their separation into another order. |
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| Keywords: | Hepaticae flavone glucuronides chemotaxonomy |
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