JUGLANDACEAE - Walnut family

Deciduous trees

Leaves alternate, pinnately compound, without stipules

Flowers reduced, unisexual, staminate flowers in catkins, pistillate flowers with bracts, plants monoecious, wind pollinated

Gynoecium uniloculate compound pistil of 2-3 fused carpels

Fruit a drupelike nut, sometimes a winged nutlet

Seed without endosperm, embryo large and oily with 2-4 lobes, solitary

7 genera, 60 species - Juglans (walnut), Carya (pecan)

Economic importance - shade trees, lumber, nuts

Diagnostic characteristics - deciduous trees with alternate pinnately compound leaves, staminate flowers in catkins