Juglans hindsii (Jeps.) Jeps. ex R.E. Sm.

Juglans hindsii (Jeps.) Jeps. ex R.E. Sm.. Juglans hindsii, commonly called the Northern California black walnut and Hinds's black walnut, is a species of walnut tree native to the western United States. It is commonly called claro walnut by the lumber industry and woodworkers, and is the subject of some confusion over its being used as rootstock for English walnut.