Pineapple #20

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PINEAPPLE & THE MATHEMATICAL FIBONACCI NUMBERS

 

Pineapple scales or fruitlets or eyes are patterned into spirals.

Since these scales/fruitlets/eyes are approximately hexagonal in shape, three (3) distinct sets of spirals can be seen on the surface of a mature Pineapple.

 

One set of 5 parallel spirals ascends at a shallow angle to the right,

A second set of 8 parallel spirals ascends more steeply to the left,

and

A third set of 13 parallel spirals ascends very steeply to the right.

 

The numbers 1, 2, 3, 5, 8, 13, 21, 34 etc. are called Fibonacci Numbers where a Fibonacci number is the sum total of the previous 2 Fibonacci Numbers.

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Product Look-Up (PLU) codes, printed on a little sticker on the fruit, for Pineapples are:

5743 = Half

5155 = Small

4029 = Medium

4430 = Large

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This Pineapple was grown from the top of a ripe Pineapple sold in stores, as a part of an experiment.

This was not fed any fertilizer throughout its lifecycle and hence it was sweet and juicy but smaller than its parents.

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Two sides of the vertically cut fully ripe Pineapple.

 

Ananas comosus

Family Bromeliaceae

The Ghosh Grove, Rockledge, Florida, USA.

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Done