• Thumbnail for Phyllotaxis
    phyllotaxis of plants were frequently expressed in both clockwise and counter-clockwise golden ratio series. Mathematical observations of phyllotaxis...
    17 KB (1,744 words) - 18:20, 21 April 2024
  • Thumbnail for Inflorescence
    modifications can involve the length and the nature of the internodes and the phyllotaxis, as well as variations in the proportions, compressions, swellings, adnations...
    32 KB (3,651 words) - 17:39, 10 April 2024
  • Thumbnail for On Growth and Form
    and ruminant horns; the arrangement of leaves and other plant parts (phyllotaxis); and Thompson's own method of transformations, showing the changes in...
    39 KB (4,770 words) - 16:19, 5 April 2024
  • Thumbnail for Patterns in nature
    phyllotaxis of plants were frequently expressed in both clockwise and counter-clockwise golden ratio series. Mathematical observations of phyllotaxis...
    61 KB (6,782 words) - 01:52, 25 April 2024
  • Thumbnail for Pattern
    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...
    24 KB (2,557 words) - 09:40, 10 April 2024
  • Thumbnail for Irving Adler
    Reviews of Solving the Riddle of Phyllotaxis: Bultheel, Adhemar (November 2012). "Review of Solving the Riddle of Phyllotaxis". EMS Reviews. European Mathematical...
    18 KB (2,092 words) - 06:02, 25 April 2024
  • Thumbnail for Leaf
    pinnate venation. The arrangement of leaves on the stem is known as phyllotaxis. A large variety of phyllotactic patterns occur in nature: Alternate...
    112 KB (11,606 words) - 14:37, 18 May 2024
  • the work on phyllotaxis of Theophrastus (the first to study phyllotaxis), Leonardo da Vinci (the first to apply mathematics to phyllotaxis), Johannes Kepler...
    5 KB (590 words) - 11:04, 5 November 2022
  • Thumbnail for Romanesco broccoli
    flowers to fail, but instead to repeat itself in a self-similar way. Phyllotaxis Azpeitia, Eugenio; Tichtinsky, Gabrielle; Masson, Marie Le; Serrano-Mislata...
    7 KB (623 words) - 03:37, 27 April 2024
  • Thumbnail for Thorns, spines, and prickles
    positively to be controlled by phyllotaxis, the positioning of prickles appears to be truly random. If not, then by a phyllotaxis so arcane as to give the appearance...
    17 KB (1,866 words) - 05:53, 10 April 2024
  • Decussate phyllotaxis of Crassula rupestris...
    343 KB (28,462 words) - 00:55, 18 May 2024
  • Thumbnail for Decussation
    Decussate phyllotaxis of Crassula rupestris...
    6 KB (635 words) - 18:13, 23 January 2024
  • Thumbnail for Golden angle
    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...
    6 KB (688 words) - 17:25, 26 April 2024
  • Thumbnail for Cedrus
    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...
    16 KB (1,568 words) - 10:24, 18 May 2024
  • Thumbnail for Fibonacci sequence
    Schimper and Alexander Braun discovered that the parastichies (spiral phyllotaxis) of plants were frequently expressed as fractions involving Fibonacci...
    85 KB (12,887 words) - 10:28, 21 May 2024
  • Thumbnail for Shoot (botany)
    change in the growth pattern of some plants as they mature Lateral shoot Phyllotaxis, the arrangement of leaves along a plant stem Seedling Sterigma, the...
    4 KB (462 words) - 22:32, 25 November 2023
  • Thumbnail for Lagerstroemia subcostata
    the stamens are particularly long. Flowers just opened. Panicle and phyllotaxis (Opposite or alternate leaves). Color of young leaves. When the fruit...
    2 KB (127 words) - 09:29, 3 April 2022
  • Thumbnail for Parastichy
    Embryology Fibonacci number § Nature Gerrit van Iterson Golden ratio § Nature Phyllotaxis Webster's Revised Unabridged Dictionary. C. & G. Merriam Co. 1913. Weise...
    1 KB (84 words) - 01:50, 20 April 2024
  • Thumbnail for Doyle spiral
    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...
    20 KB (2,261 words) - 09:01, 18 December 2023
  • Thumbnail for Floral symmetry
    results were largely in line with Mendelian theory. Patterns in nature Phyllotaxis Symmetry in biology Whorl (botany) Craene 2010, p. 25. Zimmerman, Erin...
    7 KB (753 words) - 09:07, 10 May 2024
  • Thumbnail for Golden ratio
    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...
    113 KB (12,992 words) - 15:00, 16 May 2024
  • Thumbnail for Aristaloe
    polyphyly in the Alooids?" Systematic Botany 39(1):55-74. Molteno S. 2022. "Phyllotaxis in Asphodelaceae subfam. Alooideae: a tool in taxon delimitation." Haseltonia...
    6 KB (571 words) - 22:20, 30 December 2023
  • Thumbnail for Melocactus zehntneri
    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...
    1 KB (133 words) - 22:12, 14 October 2023
  • Thumbnail for Common sunflower
    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...
    49 KB (5,234 words) - 01:41, 29 April 2024
  • leaf-like Greek φῠ́λλον (phúllon), leaf, foliage, plant phyllodes tumour, phyllotaxis -phyte, phyto- to grow Greek φῠτόν (phutón), plant, tree hydrophyte pia...
    118 KB (377 words) - 06:46, 10 May 2024
  • phylogenetics, phylum phyll- leaf Greek φύλλον (phúllon) chlorophyll, phyllotaxis phys- bladder Greek φῦσα (phûsa) physogastric, physostomous, Triplophysa...
    2 KB (1,764 words) - 06:15, 16 April 2024
  • Thumbnail for Primordium
    cotyledons (in dicotyledonous plants) in simple patterns, known as phyllotaxis. Phyllotaxis are the arrangement of leaves on an axis or stem and can either...
    17 KB (2,070 words) - 17:08, 4 November 2023
  • Thumbnail for Whorl (botany)
    spirally arranged, as in the family Magnoliaceae. Cyclic flower Merosity Phyllotaxis "whorl". thedictionary. Retrieved 19 August 2012. Lindley, John. A Glossary...
    3 KB (272 words) - 18:31, 24 March 2024
  • The maple twig depicted on the coin is botanically incorrect as the phyllotaxis of the twig on the coin is clearly alternate, while maples always have...
    27 KB (2,152 words) - 05:26, 1 March 2024
  • Thumbnail for Golden spiral
    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...
    12 KB (1,361 words) - 06:19, 1 April 2024