Horticulture is the study and growth of plants and flowers. One of the first things you learn in studying horticulture is plant reproduction. Knowing the parts of a rose flower is important in learning plant reproduction because its parts are highly defined and easy to check for reference.
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Sepals are leaves that protect the flower before it blooms. As the bloom opens, the sepals spread apart and open with the flower. They are a form of protection from the elements like wind, rain and sunlight while the flower is maturing.
Rose petals are naturally modified leaves that are given extra nutrients to take on different colours and fragrances. They are designed this way to attract bees and birds for pollination.
The stigma is the part of the rose flower that is pollinated by the birds or the bees. It is a somewhat flat lump attached to a tube that goes into the centre of the flower. Unlike many flowers, the rose flower has several stigmas within its bloom.
The style is the tubelike formation that the stigma is attached to. It provides the path for pollen to travel to the ovaries of the rose flower. The rose contains several styles that provide pollen to its many ovaries.
The rose flower, unlike many flower species, possesses several ovaries. The ovaries are located within the rose hips, which is the bulbous base of the rose bud.
Ovules are growths found within the ovary of the rose flower. They are small and somewhat hairlike and are responsible for egg production in rose pollination. Splitting a rose hip, or ovary, open will reveal a symmetrical row on each side of the hairlike organs.
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