ACERACEAE - Maple Family

Trees or shrubs

Leaves opposite, simple with palmate ventation, sometimes 3-5 palmately compound

Flowers bi- or unisexual [male flower] [female flower], actinomorphic, in a variety of infls.

Plants monoecious, polygamous (bi- or unisexual flowers on same plant) or dioecious

Fruit a 2-winged schizocarp

2 genera, 112 species

Acer - maple, box elder (Acer negundo)

Economic importance: ornamentals, lumber, maple syrup

Diagnostic characteristics: trees, opposite leaves, leaves palmately veined or compound (box elder), fruit a winged schizocarp