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Sunday 22 May 2011

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Why is it that the number of petals in a flower is often associated with one of the following numbers: 3, 5, 8, 13, 21, or 34? Read on to explore the answer.

Have you heard about the famous Italian mathematician Leonardo Fibonacci and his Fibonacci number series given by the infinite elements: 0,1,1, 2,3,5,8,13,21,34,55,…;? Nature, in particular plants, have no foreknowledge of this number sequence, but surprisingly, majority if not all petal arrangement of flowers carry these numbers!Below are some flowers that follow the Fibonacci number series.


Single-petal Flower

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The calla lily (Zantedeschia aethiopica), is a herbaceous perennial plant native to Southern Africa. A popular cut flowers for wedding bouquets, it average around 0.6–1 m tall with arrowhead-shaped leaves and unique single-petal flower. The showy flowers come in white, shades of green, yellow, pink, purple or orange color.


2-petal Flower

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Euphorbia is an enormous genus of flowering plants comprising more than 2000 species, widespread in tropical and subtropical areas in North America, Asia and Africa. Its sizes range from small garden weeds to giant large cactus-like shrubs.


3-Petal Flower

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Trillium is a genus of about 40–50 species of perennial flowering plants native in North America and Asia. Trillium averages from 7 to 18 inches and may come in white, pink, yellow, purple color. Its tubular-shaped flowers typically have three petals.

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