title: Physical phenomenology of phyllotaxis.
abstract: We propose an evolutionary mechanism of phyllotaxis, regular arrangement of leaves on a plant stem. It is shown that the phyllotactic pattern with the Fibonacci sequence has a selective advantage, for it involves the least number of phyllotactic transitions during plant growth.
authors.affiliation: Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432-8561, Japan. ttokabe@ipc.shizuoka.ac.jp
authors.forename: Takuya
authors.initials: T
authors.lastname: Okabe
mesh_terms: D008954:Models, Biological; D018521:Plant Physiological Phenomena; D010944:Plants