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
Vernicia montana Vernicia montana Vernicia montana, the mu oil tree, or chine wood oil tree, is a species of "Vernicia" in the spurge family, native to Southeast Asia (including Myanmar, Thailand, Vietnam), southern China, and Taiwan. It is a medium-sized deciduous tree reaching a height . The Latin specific epithet "montana" refers to mountains or coming from mountains. The leaves are large with three lobes. The monoecious white-petaled flowers emerged as inflorescences, containing both male and female flowers. The fruit is a globular drupe with wrinkled skin that turns from green to yellow upon ripening. Each fruit contains 3 seeds, rich in