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A family of trees that have white sap. The leaves are spiral and leathery. The flowers are mostly regular with free parts, and the ovary is superior. The fruit is a berry with 1 or a few big, hard seeds. Many species yield valuable timbers, and some produce useful latex (chewing gum, gutta percha). The genera are poorly defined, but there are about 116 of them, with 1100 species, occurring in the tropics and subtropics.

Subjects: Plant Sciences and Forestry.

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