English walnut
Plant
Medium to large tree
Up to 60' tall
Twig
Alternate compound leaves
Bark
Deeply ridged when mature
Leaf
2-5" long
Alternate, compound
5-9 ovate leaflets with smooth edges
Flower
Yellowish-green catkins
Fruit
Green husk surrounds the nut
Husk naturally splits at ripening to release the nut
Seed
Edible nut encased by hard, wrinkled shell