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Which Magnolia species is known as the Southern magnolia?

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The Southern magnolia is the species known scientifically as Magnolia grandiflora. It is an evergreen tree that can reach heights of up to 31 metres (102 feet) and is characterized by its thick, shining leaves and fragrant white flowers. This species belongs to the Magnoliaceae family, which is part of the Magnoliales order of flowering plants.12