Juglans hindsii tree. The leaf is approximately long, with 13-21 two to five per leaflet, with dentate margins. Unlike the Southern California walnut, the vein angles bear tufts of hair. The nut has a smooth, brown, thick shell, that contains a small edible nutmeat. Hind's Walnut (Juglans hindsii) is a severe allergen. Pollination: Occurs in following seasons depending on latitude and elevation: Spring. "Juglans hindsii" has been commercially important as a rootstock for orchard stock of "Juglans regia" (English walnut) trees all over the world. It is also used as a parent to the fast-growing Luther Burbank hybrid, commonly called "Paradox" ("Juglans
Juglans hindsii ("Quercus" spp.) and Fremont cottonwood ("Populus fremontii") trees. "Juglans hindsii" has only one confirmed native stand remaining. It is listed as Seriously Endangered on the California Native Plant Society Rare Plant Inventory. The IUCN classification is a Vulnerable species. It is threatened by hybridization with orchard trees, urbanization, and habitat conversion to agriculture. "Juglans hindsii" is a medium-sized tree of short bulky proportions. It grows up to tall, has a single erect trunk, commonly without branches for , and a crown that can be wider than the tree is tall. Trunks commonly reach in diameter near the base of the