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White lacy flower in Fibonacci patterns
Pretty white flower with seeds that often exhibit spirals that reflect the ...
Spiny, composite inflorescence arranged in a cone shape surrounded by purple ...
This sunflower is from a seed in my bird feed. It is a bout two feet tall and ...
Spotted this odd couple on a purple coneflower in the UC Berkeley Botanical ...
One of my sunflowers had purple/white seeds instead of black/white. compare ...
typical sunflower type Fibonacci sequence ...
consecutive terms of the Fibonacci series: ...
What is usually called the "flower" on a mature sunflower is actually a "flower ...
These sunflowers have returned form seed every year for the past 4 years. they ...
spirals and the number of right spirals are successive
size becomes sufficiently small. The number of spirals on the head of ...
cone scales are arranged in Fibonacci ...