- the arrangement of leaves on a stem or axis.
- the study of such arrangement.
Origin of phyllotaxy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for phyllotaxy
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.The Elements of Botany
They are arranged densely on the branches, alternately on the 8/21 plan (see section on phyllotaxy).Outlines of Lessons in Botany, Part I; From Seed to Leaf
Jane H. Newell
In other cases the width of the leaves is determined by what botanists call the "Phyllotaxy."The Beauties of Nature
Sir John Lubbock
- The pattern of leaf distribution and arrangement on a stem.
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