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Euphorbiales

This order has one families and about 7,500 species.
Four other families are sometimes included in this order.
   Euphorbiaceae - Spurge Family
Tungoil TreeThere are about 7,500 species of herbs and shrubs in this family. Plants in this species are found in all parts of the world except for cold alpine and arctic regions. They are most common in temperate and tropical regions.

Many of the plants in this family are used in oils, medicines and as foods. The flowers have only one sex but male and female flowers grow on the same plant. The flowers don't have petals. Plants include the wax plant, cassava, the castor-oil plant, the sandbox tree,  crown of thorns, poinsettia, cypress spurge, fire-on-the-mountain, tallow tree, snow-on-the-mountain, flowering spurge, leafy spurge and the manchineel tree.
   Pandaceae
There are 18 species in this family. Most are found in tropical areas.

   Buxaceae - Boxwood Family
BoxwoodThere are about 100 species in this family and most are evergreen trees, shrubs, and herbs. They have male and female flowers on separate plants. Plants in this species can be found in North America, Europe, North Africa, and Asia. Plants in this family include the boxwood and Allegheny spurge.
  Simmondsiaceae

This family has only one species, Simmondsia chinenses. It is native to native to the southwestern United States and northern Mexico. This plant is used to make jojoba oil. Jojoba oil is used in products like soap and shampoo.

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