Juglans mandshurica other popular "Juglans" species and usually causes few significant allelopathic effects in cultivation. "Juglans cathayensis", characterized by tomentose leaflets, producing more flowers per spike and growing south of the Yellow River, was sometimes recognized as a species separate from "J. mandshurica". The Japanese walnut ("oni-gurumi") is listed by some authorities as "Juglans mandshurica" var. "sachalinensis" (syn. "Juglans ailantifolia") Juglans mandshurica Juglans mandshurica, the Manchurian walnut, is a deciduous tree of the genus "Juglans" (section "Cardiocaryon"), native to the Eastern Asiatic Region (China, Russian Far East, North Korea and South Korea). It grows to about 25 m. The leaves are alternate,
Tree of 40 Fruit including community gardens, museums, and private collections. Locations include Newton, Massachusetts; Pound Ridge, New York; Short Hills, New Jersey; Bentonville, Arkansas; and San Jose, California. He has plans to populate a city orchard with the trees. 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