You have read that the Fibonacci sequence and it stated that plants have certain petal arrangement. lily, iris have three petal; buttercups ,larkspur have 5 petals; delphinium 8 petals. What is requested is that you search a plant encyclopedia for the families of the previous memtioned plants to determine if the family of plants fall under the Fibonacci sequence.

( Time Life Encyclopedia ?????)

Why does the Golden section and Fibonacci sequence appear in Nature?

Before you go to the 'Why' what you need to know is how to determine the value of the Golden section (site ) and you need to determine ratio of Fibonacci sequence (site)
Here are the questions that you must answer. What amount of turn per direstion iare leaves placed? Why?

Why is this value better then the value .5 or .48 or .6. Is a rational number value better than an irrational value for plant leaf placement? Explain your answer.