Dictionary.com
definitions
  • synonyms

phyllotaxy

[fil-uh-tak-see]
See more synonyms on Thesaurus.com
noun, plural phyl·lo·tax·ies. Botany.
  1. the arrangement of leaves on a stem or axis.
  2. the study of such arrangement.

Origin of phyllotaxy

First recorded in 1855–60; phyllotax(is) + -y3
Related formsphyl·lo·tac·tic [fil-uh-tak-tik] /ˌfɪl əˈtæk tɪk/, phyl·lo·tac·ti·cal, phyl·lo·tax·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for phyllotaxy

Historical Examples

  • This is the leaf-arrangement or phyllotaxy of the apple-tree, expressed by the fraction 2/5.

    The Apple-Tree

    L. H. Bailey

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

  • They are arranged densely on the branches, alternately on the 8/21 plan (see section on phyllotaxy).

  • In other cases the width of the leaves is determined by what botanists call the "Phyllotaxy."

    The Beauties of Nature

    Sir John Lubbock


phyllotaxy in Science

phyllotaxy

[fĭlə-tăk′sē]
  1. The pattern of leaf distribution and arrangement on a stem.
Related formsphyllotactic adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • About
  • Cookies, Terms, & Privacy
© 2018 Dictionary.com, LLC.