When you count the number of petals that different flowers have, you’ll discover that the most common number of petals is five. Buttercups, geraniums, pansies, primroses, rhododendrons, tomato blossoms, and many other flowers have five petals.
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You’ll also find flowers that have three petals (trillium), eight petals (delphinium), 13 petals (marigold, ragwort), and 21 petals (black-eyed susan).