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Rutaceae, the rue family of flowering plants (order Sapindales), composed of 160 genera and about 2,070 species. Rutaceae includes woody shrubs and trees (and a few herbaceous perennials) and is distributed throughout the world, especially in warm temperate and tropical regions. The largest numbers are found in Africa and Australia, often in semiarid woodlands. The family contains a number of economically important fruit trees as well as several ornamental species. Members of the family often...