phyllotaxy
Americannoun
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the arrangement of leaves on a stem or axis.
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the study of such arrangement.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of phyllotaxy
First recorded in 1855–60; phyllotax(is) + -y 3
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The arrangement of leaves on a stem, known as phyllotaxy, enables maximum exposure to sunlight.
From Textbooks • Jun. 9, 2022
This is the leaf-arrangement or phyllotaxy of the apple-tree, expressed by the fraction 2/5.
From The Apple-Tree The Open Country Books—No. 1 by Bailey, L. H. (Liberty Hyde)
The subject of leaf-arrangement should be passed over until phyllotaxy is taken up.
From Outlines of Lessons in Botany, Part I; from Seed to Leaf by Newell, Jane H.
Thus, the leaves in assuming a new phyllotaxy, take one quite analogous to the normal one.
From Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants by Masters, Maxwell T.
The latter of course depends very much upon the phyllotaxy, i. e. the position and order of the leaves upon the stem.
From The Elements of Botany For Beginners and For Schools by Gray, Asa
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
