Chasing the sun. The contrast of the bright yellow petals against a dark background, showing the spirals of seeds in the centre – a natural example of Fibonacci patterns.. Bright, bold, and beautiful, a portrait of summer's happiest flower. The center of the sunflower, seen clearly here, is actually made up of hundreds of tiny individual flowers called florets. The Sunflower (Helianthus) is famous for heliotropism, meaning the young flowers track the sun across the sky from east to west during the day.
