Fibonacci and Lucas numbers of some taxa naturally distributed in North East Anatolia

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Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi
Cilt: 23 Sayı: 1
Fibonacci and Lucas numbers of some taxa naturally distributed in North East Anatolia

Fibonacci and Lucas numbers of some taxa naturally distributed in North East Anatolia

Authors : İbrahim Gökcan, Melahat Özcan

Pages : 144-153

Doi:10.17474/artvinofd.1102123

View : 315 | Download : 1452

Publication Date : 2022-05-16

Article Type : Research Paper

Abstract :In this study, general information about obtaining Fibonacci and Lucas number sequences from the rabbit problem is given. Obtaining the golden ratio and phyllotaxis ratio with Fibonacci numbers is examined.The Fibonacci and Lucas number characteristics of plants belonging to the same species are the same all over the world. The phyllotaxis ratio of 47 plant taxa and the number of cone spirals of two pines belonging to Gymnospermae distributed in North East Anatolia were determined. 34 of 47 taxa which phyllotaxis ratio investigated are herbs and 13 ones are woody/scrubs. Three of the herbaceous plants are endemic (Psephellus straminicephalus(Hub.-Mor.) Wagenitz, Tripleurospermum fissurale(Sosn.) E.Hossainand Chesneya elegansFomin) and two are rare species (Callicephalus nitens(M.Bieb. ex Willd.) C.A.Mey.and Cirsium rigidumDC.). With these studies, a literature contribution was provided to the studies in the field.
Keywords : Fibonacci ve Lucas Sayıları, Altın oran, Yaprak diziliş oranı, Kuzeydoğu Anadolu Bitkileri

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