This family contains about 900 species in 55 genera. They are mostly trees or shrubs. There are very few plants in this family that are used commercially.
Systematics: This family is very closely related to the Celastraceae. They differ in having stamen that are opposite to the petals. They have in common a 5-lobed calyx and a 5-clawed corolla. The ovary is superior and contains a nectariferous disk, that surrounds the superior ovary making it look inferior. This is a prominent feature of the family. The gynecium has 1 pistil and 2,3 carpels.
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