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phyllotaxis

American  
[fil-uh-tak-sis] / ˌfɪl əˈtæk sɪs /

noun

Botany.

plural

phyllotaxes
  1. phyllotaxy.


phyllotaxis British  
/ ˌfɪləˈtæksɪs /

noun

  1. the arrangement of the leaves on a stem

  2. the study of this arrangement in different plants

"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

Other Word Forms

  • phyllotactic adjective

Etymology

Origin of phyllotaxis

First recorded in 1870–75; phyllo- + -taxis

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.

You can use this as a chance to ask your children about their education or lives in general; to discuss recent breakthroughs in phyllotaxis, the study of mathematical patterns in plant life; to compare with friends how many cups of coffee you drink in a day, and when in the day you drink them.

From The Guardian

The appearance of patterns in the phyllotaxis - the arrangement of leaves, stems, seeds or similar - has been studied by many well-known scientists, including Leonardo Da Vinci.

From BBC

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

From Project Gutenberg

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

From Project Gutenberg

Four quadrangular scales in mutual contact represent the condition of definite phyllotaxis.

From Project Gutenberg