Thursday, April 23, 2009
The yellow burst
It is amazing how a few sunflowers can dramatically enhance the "curb appeal" of patch #1. My motivations - show Chili some large flowers and in the process, welcome some butterflies home. For the fellow curious beings, here's the lowdown on these bright petals of vitality:
1) Traditionally, these plants would exceed nine feet and their flowers can span a whole foot in diameter. That would tower too many heads above my own. So, I've chosen this miniaturized hybrid that is supposed to be contained in a 30in x 18in x 18in space.
2) At the bud stage, sunflowers are heliotropic - they've motor cells in the flexible part of the stem right underneath the bud that turn east to greet the morning sun and follow him in a westwardly journey throughout the day.
3) What we call the sunflower is actually a composite flower comprised of densely packed little florets set at the golden angle (137.5 degrees) to one another. That formation then results in a series of interconnected set of left and right spirals. The number of left and right spirals are successive Fibonacci numbers.
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