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Buxaceae A family of evergreen shrubs or trees whose leaves are without stipules. The flowers are small and regular, with 2 or 3 sepals and petals, 4–6 free anthers, and a superior ovary of 3 fused carpels. The fruit is a drupe or capsule. The seeds are black and shiny, sometimes with a caruncle. The family is related to the Euphorbiaceae. There are 5 genera, with about 60 species, occurring in temperate and tropical regions.