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DOI: 10.1055/s-0028-1097355
© Georg Thieme Verlag Stuttgart · New York
Die systematische Bedeutung von iridoiden Inhaltsstoffen im Rahmen von Wettstein's Tubiflorae
The Taxonomic Significance of Iridoids of Tubiflorae sensu WettsteinPublication History
Publication Date:
13 January 2009 (online)
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Abstract
Tubiflorae sensu Wettstein (1935) and sensu Melchior (1964, in Engler's Syllabus) are a rich source of iridoid compounds. Steamvolatile constituents (like I and II in fig. 1), iridoid glycosides (like III to X in fig. 1) and simple monoterpenoid alkaloids (like XI–XV in fig. 1) occur in many taxa. Their occurrence in all families mentioned in table I is described and many unpublished observations (marked with an asterisk * in tables II–VII) are reported. In many instances iridoid metabolism is a character worthwhile to be seriously considered by those plant taxonomists which are interested in a natural classification of the Dicotyledons. Many examples showing the usefulness of iridoid compounds to plant systematics are shortly discussed. At the same time many iridoid glycosides and closely related constituents must be considered to be biologically very active plant constituents. They deserve the attention of many branches of medicinal and pharmaceutical research.
Key Word Index
Iridoids; Chemotaxonomy - Classification of Angiosperms - Tubiflorae - Scrophulariales - Lamiales; Fouquieriaceae - Hippuridaceae - Loasaceae