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polyoecyPolyoecia (lat.); Polyözie (ger.)

  • 1) The reversible change in the life-form of an organism.
    metamorphosis Open Slideshow image #2

    Kann dasselbe Individuum seine Lebensform beliebig ändern, wobei meist auch ein Habitatwechsel stattfindet, so kann man von Polyözie sprechen.

    Koepcke, H.-W. (1956). Zur Analyse der Lebensformen. Bonn. Zool. Beitr. 7, 151-185: 171.


    Polyözie: Das Individuum kann seine Lebensform den Umständen gemäss in bestimmter Weise ändern. Diese Aenderung der Lebensform ist ein reversibler Vorgang.

    Koepcke, H.-W. (1971). Die Lebensformen, vol. 1: 313.

  • 2) The condition of a plant species of having flowers of different sexes on the same and on different plants.

    Polyoecia. Ficus.

    Linnaeus, C. (1753). Species plantarum, vol. 2: 1059.


    The fig-tree, which, in his former publications, is ranged the first of the class Cryptogamia, is here removed to the class Polygamia, and stands in an order by itself, intitled, Polyoecia.—This remove was made by the persuasion of that excellent botanist, the baron de Munchausen, from considering the structure of the fructification, from the umbilicus of the fruit being sometimes open, and from the great difference in the habit of the fig-tree from all others of the class Cryptogamia, which consists of ferns, mosses, fungi, and such like.

    Anonymus (1756). [Rev. Linnaeus, C. (1763). Species plantarum].The Magazine of Magazines 8, 640-643: 643.


    Polyœcie. Ficus carica.

    Tournon, D.-J. (1811). Flore de Toulouse: 259


    Polyoecie, Dioecie [getrenntgeschlechtliebe Individuen] mit irgend einer anderen Form oder mit anderen Formen combinirt.

    Anonymous (1885). [Rev. Lindberg, O. (1882). Europas och Nordamerikas Hvitmossor (Sphagna)]. Just’s botanischer Jahresbericht 11, 550-551: 550.