Sentence Examples


  • This structure was formerly regarded as pointing to the fusion of two organs, and the pale was considered by Robert Brown to represent two portions soldered together of a trimerous perianth - whorl, the third portion being the " lower pale."
  • A flower in which the parts are arranged in twos is called dimerous; when the parts of the whorls are three, four or five, the flower is trimerous, tetramerous or pentamerous, respectively.
  • The symmetry which is most commonly met with is trimerous and pentamerous - the former occurring generally among monocotyledons, the latter among dicotyledons.
  • - Diagram of the trimerous symmetrical flower of Iris.
  • - Diagram of the symmetrical trimerous flower of Fritillary (Fritillaria).
 

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