Shrubs, often vine-like and climbing, or trees. The alternate or opposite leaves are simple. The small, radially symmetrical flowers are single or in clusters. The calyx is 4 or 5 lobed and there are 4 or 5 petals. The fruit is a berry or capsule.

Tree This family contains trees.

Bittersweet, American/ Climbing bittersweetSpecies is a Tree Celastrus scandens
Bittersweet, AsiaticSpecies is a Tree Celastrus orbiculatus