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 olanchana Juglans olanchana Juglans olanchana is a semideciduous tree species in the Juglandaceae family. It can be found in Costa Rica, Guatemala, El Salvador, Honduras, Mexico and Nicaragua. It can grow up to 40 m in height and 1.5 m in diameter. The long branches bear twigs tipped with 40–50 cm long, glabrous, pinately compound leaves, darker on the top than on the bottom. The base of the trunk sometimes has buttresses. "Juglans olanchana" grows in wet and very wet tropical forests, most frequently on river banks, observed from 0–1400 m above sea level. Reports that it also grows in the