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Contains about 30 genera and 600 species of trees and shrubs in the temperate and tropical regions. Several genera commonly used as ornamentals - Syringa (Lilac), Forsythia (Forsythia), Ligustrum (Privet), Jasminum (Jasmine), and Fraxinus (Ash); Olea (Olive) - native to the Mediterranean basin, provides olives (edible) and olive oil.