Juglans californica of the genus suggests "J. californica" is sister to the remaining black walnuts (section Rhysocaryon). This article follows the conventions of "The Jepson Manual". Juglans californica Juglans californica, the California black walnut, also called the California walnut, or the Southern California black walnut, is a large shrub or small tree (up to 30 feet tall) of the walnut family, Juglandaceae, endemic to California. "Juglans californica" is generally found in the southern California Coast Ranges, Transverse Ranges, and Peninsular Ranges, and the Central Valley. It grows as part of mixed woodlands, and also on slopes and in valleys wherever conditions are
Hickory Hickory Hickory is a type of tree, comprising the genus Carya (, "káryon", meaning "nut"). The genus includes 17 to 19 species. Five or six species are native to China, Indochina, and India (Assam), as many as 12 are native to the United States, four are found in Mexico, and two to four are from Canada. A number of hickory species are used by man for products like edible nuts (pecans) or wood. Hickories are deciduous trees with pinnately compound leaves and large nuts. Hickory flowers are small, yellow-green catkins produced in spring. They are wind-pollinated and self-incompatible. The fruit