This family has 2,215 species in 147 genera. Its flowers however, are not all that well known as they are not very showy, they're small, and they're often greenish or yellowish. The maple family (Aceraceae) has recently been added to this family. In Hawaii, a common mountain plant in native forests is the a'ali (Dodonaea viscosa). One of the favorite fruits of oriental people are those of the Leeche tree (Litchi chinensis). In this family are also the popular, but rare, Longon, Rambutan, and Pulasam trees.
Systematics: flowers are small, often yellow or greenish. They are mostly unisexual (functionally). There are from 4-5 petals and 4-5 sepals. The petals have basal appendages on the inner side. The stamen are distinct with hairy filaments. There is often a nectariferous disk that is asymmetrical.
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