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Randmusterbildung und Synorganisation bei strahlenden Apiaceendolden

Marginal patterns and synorganization in radiant umbels of theApiaceae

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Abstract

Radiant umbels result from the enlargement of peripheral phyllomes. We find the following patterns: 1) TheOrlaya-type: only one petal in the flower is enlarged. 2) TheCoriandrum-type: one whole and two half petals in the flower are enlarged. 3) TheArtedia-type: two half petals in the flower are enlarged. 4) TheXanthosia-type: the enlargement affects three involucellar bracts of which two become asymmetrical.—The enlargement of the phyllomes can effect the umbellet or the umbel or both. Obviously, this is the reason why many of these inflorescence systems display insufficient degrees of synorganization, with an optimum reached inArtedia and some species ofXanthosia.

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Authors and Affiliations

  1. Botanisches Institut der T. H. Aachen, D-5100, Aachen, Bundesrepublik Deutschland

    Hans A. Froebe

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  1. Hans A. Froebe
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Herrn Univ.-Prof. Dr.Walter Leinfellner zum 70. Geburtstag gewidmet.

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Froebe, H.A. Randmusterbildung und Synorganisation bei strahlenden Apiaceendolden. Pl Syst Evol 133, 223–237 (1980). https://doi.org/10.1007/BF00984381

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  • DOI: https://doi.org/10.1007/BF00984381

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