California black walnut
Large tree 30 to 60’ H with a single erect trunk. leaf is approximately 1 foot long, with 13-21 2-1/2” leaflets. Nut has a smooth, brown, thick shell containing a small edible nutmeat.
For more details, please visit:
https://calscape.org/loc-California/Juglans hindsii( )?newsearch=1