Fibonacci Series Collection

Sunflower seed head (Helianthus annuus). The spiral arrangement of the seeds describe a Fibonacci mathematical series, one in which each number is the sum of the two previous numbers

Cauliflower head, SEM
Cauliflower. Coloured scanning electron micrograph (SEM) of the head of a cauliflower (Brassica oleracea botrytis). The arrangement of florets around the head is according to a Fibonacci series

Romanesco cauliflower (Brassica oleracea) C014 / 0744
Romanesco cauliflower (Brassica oleracea)

Romanesco cauliflower head
Romanesco cauliflower. Close-up of the head of a romanesco cauliflower (Brassica oleracea)

Leonardo Fibonacci, Italian mathematician
Leonardo Fibonacci statue. The Italian mathematician Leonardo Fibonacci (c.1170-c.1250) travelled widely throughout the Mediterranean world and studied under leading Arab mathematicians

Cactus spines
Cactus. Spines on a cactus. The arrangement of spines around the central point is according to the Fibonacci series, a number series in which each number is the sum of the two preceding it

Houseleek plants (Sempervivum sp.). Houseleek leaves develop in pattern that follows the Fibonacci series, a number series in which each number is the sum of the two preceding it, for example 0, 1

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