The leaves of the Common walnut is imparipinnate with 7-9 single leaves. The leaflets are oblong ovate and up to 12 cm (4.7 in) long. the leaf margin is smooth.
The male flowers are greenish and hang in thick catkins. The male flowers sprout with the leaves. The female flowers are 3 to 4 weeks later.
The stone fruit (nut) is surrounded by einr green fruit capsule.
The branches are olive-brown and thick with distinct leaf scars. The buds are brown.
single tree, park tree, garden tree