phyllotaxis

[ fil-uh-tak-sis ]

noun

, Botany.

, plural phyl·lo·tax·es [fil-, uh, -, tak, -seez].

1. phyllotaxy.

phyllotaxis

/ ˌfɪləˈtæksɪs /

noun

1. the arrangement of the leaves on a stem
2. the study of this arrangement in different plants

Derived Forms

• ˌphylloˈtactic, adjective

Word History and Origins

Origin of phyllotaxis¹

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

Example Sentences

The angle of divergence may alter either abruptly or gradually, and the phyllotaxis thus becomes very complicated.

From Project Gutenberg

In different species of the same genus the phyllotaxis frequently varies.

From Project Gutenberg

Leaves occupy various positions on the stem and branches, Phyllotaxis.

From Project Gutenberg

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

From Project Gutenberg

Such are the majority of the scales of the cone and represent more or less indefinite conditions of phyllotaxis.

From Project Gutenberg