In botany, phyllotaxis (from Ancient Greek φύλλον (phúllon) 'leaf', and τάξις (táxis) 'arrangement')[1] or phyllotaxy is the arrangement of leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature.
^φύλλον, τάξις. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project
phyllotaxis of plants were frequently expressed in both clockwise and counter-clockwise golden ratio series. Mathematical observations of phyllotaxis...
modifications can involve the length and the nature of the internodes and the phyllotaxis, as well as variations in the proportions, compressions, swellings, adnations...
and ruminant horns; the arrangement of leaves and other plant parts (phyllotaxis); and Thompson's own method of transformations, showing the changes in...
phyllotaxis of plants were frequently expressed in both clockwise and counter-clockwise golden ratio series. Mathematical observations of phyllotaxis...
plans of animals including molluscs such as the nautilus, and in the phyllotaxis of many plants, both of leaves spiralling around stems, and in the multiple...
pinnate venation. The arrangement of leaves on the stem is known as phyllotaxis. A large variety of phyllotactic patterns occur in nature: Alternate...
the work on phyllotaxis of Theophrastus (the first to study phyllotaxis), Leonardo da Vinci (the first to apply mathematics to phyllotaxis), Johannes Kepler...
the stamens are particularly long. Flowers just opened. Panicle and phyllotaxis (Opposite or alternate leaves). Color of young leaves. When the fruit...
Reviews of Solving the Riddle of Phyllotaxis: Bultheel, Adhemar (November 2012). "Review of Solving the Riddle of Phyllotaxis". EMS Reviews. European Mathematical...
flowers to fail, but instead to repeat itself in a self-similar way. Phyllotaxis Azpeitia, Eugenio; Tichtinsky, Gabrielle; Masson, Marie Le; Serrano-Mislata...
evergreen and needle-like, 8–60 mm long, arranged in an open spiral phyllotaxis on long shoots, and in dense spiral clusters of 15–45 together on short...
Schimper and Alexander Braun discovered that the parastichies (spiral phyllotaxis) of plants were frequently expressed as fractions involving Fibonacci...
39996.\,} The golden angle plays a significant role in the theory of phyllotaxis; for example, the golden angle is the angle separating the florets on...
Embryology Fibonacci number § Nature Gerrit van Iterson Golden ratio § Nature Phyllotaxis Webster's Revised Unabridged Dictionary. C. & G. Merriam Co. 1913. Weise...
upper body, the cephalum. which is a type of capitate inflorescence. Its phyllotaxis is much higher; usually 34/55. This upper cephalum can grow as much as...
results were largely in line with Mendelian theory. Patterns in nature Phyllotaxis Symmetry in biology Whorl (botany) Craene 2010, p. 25. Zimmerman, Erin...
The psychologist Adolf Zeising noted that the golden ratio appeared in phyllotaxis and argued from these patterns in nature that the golden ratio was a...
construction in the late 1980s or early 1990s. However, their study in phyllotaxis (the mathematics of plant growth) dates back to the early 1900s. A Doyle...
polyphyly in the Alooids?" Systematic Botany 39(1):55-74. Molteno S. 2022. "Phyllotaxis in Asphodelaceae subfam. Alooideae: a tool in taxon delimitation." Haseltonia...
cotyledons (in dicotyledonous plants) in simple patterns, known as phyllotaxis. Phyllotaxis are the arrangement of leaves on an axis or stem and can either...
at variance with the other mathematical spirals used to model them. Phyllotaxis, the pattern of plant growth, is in some case connected with the golden...
ISBN 978-0-471-35291-4. Retrieved 31 January 2011. Jean, Roger V (1994). Phyllotaxis. p. 185. ISBN 978-0-521-40482-2. Retrieved 2011-01-31. fibonacci packing...
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