Juglans ailantifolia caused by the fungus "Sirococcus clavigignenti-juglandacearum". This has led to its being planted as a replacement for butternuts in North America. The two species hybridise readily; the resulting hybrid "Juglans x bixbyi" (otherwise known as "J. cinerea x ailantifolia" or 'buartnut') is also resistant to canker and is likewise planted as a replacement for butternuts. Japanese walnut is distinguished from butternut by its larger leaves and round (not oval) nuts. Prospect Rock Permaculture in Vermont has been backcrossing buartnuts with native butternuts, resulting in 'butterbuarts', which will most likely bear greater resemblance to the butternut parentage, although may also be
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