• synonyms


noun, plural phyl·lo·tax·es [fil-uh-tak-seez] /ˌfɪl əˈtæk siz/. Botany.
  1. phyllotaxy.
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Origin of phyllotaxis

First recorded in 1870–75; phyllo- + -taxis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for phyllotaxis

Historical Examples

  • Phyllotaxis, or Phyllotaxy, the arrangement of leaves on the stem, 67.

    The Elements of Botany

    Asa Gray

  • The former condition represents a lower, the latter condition represents a higher, order of phyllotaxis.

    The Genus Pinus

    George Russell Shaw

  • Such are the majority of the scales of the cone and represent more or less indefinite conditions of phyllotaxis.

    The Genus Pinus

    George Russell Shaw

  • Leaves occupy various positions on the stem and branches, Phyllotaxis.

  • The angle of divergence may alter either abruptly or gradually, and the phyllotaxis thus becomes very complicated.

British Dictionary definitions for phyllotaxis



noun plural -taxes (-ˈtæksiːz) or -taxies
  1. the arrangement of the leaves on a stem
  2. the study of this arrangement in different plants
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Derived Formsphyllotactic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012