Juglans Juglans Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts. All species are deciduous trees, tall, with pinnate leaves , with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts ("Pterocarya"), but not the hickories ("Carya") in the same family. The 21 species in the genus range across the north temperate Old World from southeast Europe east to Japan, and more widely in the New World from southeast Canada west to California and south to Argentina. The
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