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| Orchids have a unique flower structure. We will use as our example the Cattleya, which is the flower that most people recognize as being an orchid. |
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| Probably the most obvious and many times the most beautiful part of the flower is the lip or labellum. |
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| The column, located inside the lip is where the sexual organs of the orchid are located. |
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| The petals are also usually very beautiful in most orchids and are usually the largest portion of the flower. All Cattleyas have two petals. |
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| The sepals are like smaller petals. Cattleyas always have 3 sepals. The top one is called the dorsal sepal while the other two are called lateral sepals. |