phyllotaxy

American  

[fil-uh-tak-see] / ˈfɪl əˌtæk si /

noun

Botany.

• phyllotaxies
  plural

1. the arrangement of leaves on a stem or axis.

2. the study of such arrangement.

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phyllotaxy Scientific  

/ fĭl′ə-tăk′sē /

1. The pattern of leaf distribution and arrangement on a stem.

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Other Word Forms

Derived Forms

• phyllotactic
  adjective
• phyllotactical
  adjective
• phyllotaxic
  adjective

Inflected Forms

Nouns

• phyllotaxies
  plural

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Etymology

Origin of phyllotaxy

First recorded in 1855–60; phyllotax(is) + -y ³

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Example Sentences

See Examples For:

phyllotaxy

The arrangement of leaves on a stem, known as phyllotaxy, enables maximum exposure to sunlight.

From Textbooks ● Jun. 9, 2022

For an account of the way in which the character of the phyllotaxy may be deduced from the secondary spirals, see Structural Botany, Chapter IV.

From The Elements of Botany For Beginners and For Schools by Asa Gray

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 Maxwell T. Masters

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 Asa Gray

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 Jane H. Newell

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