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
Tree of 40 Fruit Tree of 40 Fruit A Tree of 40 Fruit is one of a series of fruit trees created by the New York-based artist Sam Van Aken using the technique of grafting. Each tree produces forty types of stone fruit, of the genus "Prunus", ripening sequentially from July to October in the United States. Sam Van Aken is an Associate Professor of Sculpture at Syracuse University. His family is Pennsylvania Dutch, and he grew up on the family farm. In 2008, while looking for specimens to create a multicolored blossom tree as an art project, Van Aken acquired the orchard of