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The sunflower (Helianthus annuus) is a flowering annual dicot. As a dicot, its petals are in lots of 4 or 5. There are two types of petals on a sunflower.

  1. First there is the small disc florets in the center that form the seeds. These are very simple flowers with a single circlet of unassuming petals.
  2. The outer petal-bearing or ray florets are sterile and they contain the color petals. Numbers differ between varieties, but they will be in multiples of either 4 or 5.

The sunflower (Helianthus annuus) is a flowering annual dicot. As a dicot, its petals are in lots of 4 or 5. There are two types of petals on a sunflower.
  1. First there is the small disc florets in the center that form the seeds. These are very simple flowers with a single circlet of unassuming petals.
  2. The outer petal-bearing or ray florets are sterile and they contain the color petals. Numbers differ between varieties, but they will be in multiples of either 4 or 5.
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