Juglans hindsii hindsii" x "Juglans regia"). "Paradox" rootstock is a hybrid, produced from a Northern California black walnut tree pollinated by an English walnut. The Northern California walnut is cultivated by specialty California native plant nurseries. It is used as an ornamental tree in traditional and wildlife gardens, and for habitat gardens, natural landscaping projects, and climate compatible drought tolerant gardens. The tree is also planted in habitat restoration projects. The wood of "Juglans hindsii" is commonly called claro walnut by the lumber industry and woodworkers. It is highly figured with a rich brown color and striking grain patterns, especially in the
Fruit tree pollination peaches, cherries, berries, grapes, and nuts which are considered dry fruits. Fruits from tropical climates include bananas, pineapples, papayas, passion fruit, avocado, mango, and members of the genus "Citrus". Most apple plants/trees are self-incompatible, that is, they do not produce fruit when pollinated from a flower of the same tree or from another tree of the same cultivar, and must be cross pollinated. A few are described as "self-fertile" and are capable of self-pollination, although even those tend to carry larger crops when cross pollinated from a suitable pollenizer. A relatively small number of cultivars are "triploid", meaning that they