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See all on WikipediaPhyllotaxis - Wikipedia
In botany, phyllotaxis (from Ancient Greek φύλλον (phúllon) 'leaf' and τάξις (táxis) 'arrangement') or phyllotaxy is the arrangement of leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature. See more
The basic arrangements of leaves on a stem are opposite and alternate (also known as spiral). Leaves may also be whorled if several leaves arise, or appear to arise, from the … See more
Physical models of phyllotaxis date back to Airy's experiment of packing hard spheres. Gerrit van Iterson diagrammed grids imagined on a cylinder (rhombic lattices). Douady et al. showed that phyllotactic patterns emerge as self-organizing processes in … See more
• Anisophylly, a type of leaf size difference on horizontal shoots
• Available space theory
• Decussation
• Fermat's spiral
• L-system See more
The rotational angle from leaf to leaf in a repeating spiral can be represented by a fraction of a full rotation around the stem.
Alternate distichous leaves will have an angle of 1/2 of a full … See moreSome early scientists—notably Leonardo da Vinci—made observations of the spiral arrangements of plants. In 1754, Charles Bonnet observed that the spiral phyllotaxis of plants were … See more
Phyllotaxis has been used as an inspiration for a number of sculptures and architectural designs. Akio Hizume has built and exhibited several bamboo towers based on the Fibonacci sequence which exhibit phyllotaxis. Saleh Masoumi has proposed a design … See more
Wikipedia text under CC-BY-SA license Phyllotaxis: Current Biology - Cell Press
Sep 11, 2017 · In this Primer I will give a broad overview of phyllotaxis, its emergence from the shoot apical meristem, how auxin and its transporter function as a ‘pattern generator’, and the role of tissue mechanics and computational …
The unified rule of phyllotaxis explaining both spiral …
Feb 27, 2019 · Here we propose a unified rule of phyllotaxis to explain both types of arrangement: the developed leaves form vertical rows along the stem. In …
- Author: Takuya Okabe, Atsushi Ishida, Jin Yoshimura
- Publish Year: 2019
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Phyllotaxis: from classical knowledge to molecular genetics
Feb 7, 2021 · A review article that summarizes the morphological and molecular aspects of phyllotaxis, the arrangement of repeated plant organs. It covers the history, parameters, …
- Author: Xiaofeng Yin, Xiaofeng Yin
- Publish Year: 2021
Phyllotaxis - an overview | ScienceDirect Topics
Phyllotaxis, the regular arrangement of leaves or flowers around a plant stem, is an example of developmental pattern formation and organogenesis. Phyllotaxis is characterized by the …
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Phyllotaxis: Trends in Plant Science - Cell Press
A comprehensive review of phyllotaxis, the regular arrangement of leaves or flowers around a plant stem, and its quantitative aspects, molecular mechanisms and modeling. Learn about the history, geometry, patterns, transitions and …
Phyllotaxis - Simple English Wikipedia, the free encyclopedia
Phylotaxy or phylotaxis is the mode of arrangement of leaves on the stem of a plant (from Ancient Greek phýllon "leaf" and táxis "arrangement"). Phyllotaxy has a function: it avoids over …
Phyllotaxis | leaf arrangement | Britannica
Phyllotaxis is the pattern of leaf arrangement on stems that follows a sequence of Fibonacci numbers or fractions. Learn about this phenomenon from Britannica articles, chatbot answers, …
In this paper, we show in a step by step manner how the robust and conspicuous spi- ral phyllotaxis patterns, are actually channeled by purely geometric developmental constraints …
Phyllotaxis | Development | The Company of Biologists
Jan 15, 2013 · Phyllotaxis is the precise arrangement of plant organs along stems and branches. This article reviews how auxin transport, cytoskeleton, biomechanics and meristem …
Law and order in plants – the origin and functional …
May 25, 2022 · Phyllotaxis is the regular arrangement of leaves and floral organs around the stem, which follows mathematical rules such as Fibonacci numbers. This review discusses the developmental and metabolic constraints that may …
Phyllotaxis: from classical knowledge to molecular genetics
Plant organs are repetitively generated at the shoot apical meristem (SAM) in recognizable patterns. This phenomenon, known as phyllotaxis, has long fascinated scientists from different …
Phyllotaxis - PubMed
Phyllotaxis, the regular arrangement of leaves or flowers around a plant stem, is an example of developmental pattern formation and organogenesis. Phyllotaxis is characterized by the …
Classification - Phyllotaxis
Learn how to identify and classify the four main types of phyllotaxis, the arrangement of leaves or other elements on a stem. Find out how to use parastichy numbers, divergence angles, and …
Phyllotaxis - Phyllotaxis
Phyllotaxis is the study of regularly arranged patterns of leaves, seeds, and florets on plants. Learn about the history, classification, and apps of this phenomenon, and how it relates to the …
Phyllotaxis - Encyclopedia.com
May 29, 2018 · Phyllotaxis is the study of the patterns on plants. The word itself comes from the Greek phullon, meaning "leaf," and taxis, meaning "arrangement." Phyllotaxis, in the restricted …
Phyllotaxis - Master Gardeners of Northern Virginia
phyllotaxis (also, phyllotaxy) [ fil-uh–TAK-sis ] noun: the manner in which leaves are arranged with regard to the axis and in relation to one another; the study of the factors that determine the …
Phyllotaxis - ScienceDirect
Apr 1, 2007 · Phyllotaxis is the regular arrangement of leaves or flowers around a plant stem, often with divergence angles of 137.5°, the golden angle. This review covers the history, …
Phyllotaxis: is the golden angle optimal for light capture?
Jun 29, 2019 · Phyllotaxis, the arrangement of plant organs around a central axis, is an example of a highly structured pattern that has fascinated biologists and mathematicians for centuries; …
Plant Development and Phyllotaxis - iBiology
Elliot Meyerowitz developed live imaging methods to record dynamic changes in plant development. He shows that the hormone auxin determines the positioning of leaves or …
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