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Corolla

Last updated: November 20, 2018

What Does Corolla Mean?

The corolla of a flower is the structure and pattern made up by its petals. This is usually a circular ring around the center of the flower with one or more layers of petals. All of the flower's petals are collectively referred to as the corolla.

The corolla’s function is to assist the plant in its reproductive process by helping with pollination. By attracting pollinating insects or birds, a flower’s corolla helps increase the chances that the flower will be pollinated.

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Maximum Yield Explains Corolla

Different flowers have a wide range of variation in their corollas. Some large flowers with long, wide petals have corollas made up of fewer petals. Some smaller flowers’ corollas are made up of many more petals. While there’s a lot of room for variation, though, there are basically two types of corolla, which are differentiated by symmetry:


  1. Radial symmetry refers to a flower that has a circle of identical petals around its center. These flowers are actinomorphic, and they include sunflowers, daisies, lilies, and others.
  2. Bilateral symmetry means that there is a single point on the flower across which a line could be drawn and each side would be a mirror image of the other. Flowers with bilateral symmetry are referred to as zygomorphic, and they include orchids and some others.



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Plant GrowthBotanyPlant TypesPlant Science

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