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,
Fruit (slang) presently defined as male testicles from the Cockney rhyming slang "cobbler's awls", meaning "balls" and "blow" was the blossoming of a fruit tree and is widely used as the Polari definition for oral sex on a man causing him to "blow"(ejaculate). "Fruitcakes", which are cakes containing both fruit and nuts, have been in existence since the Middle Ages, but it is unclear when the term started being used disparagingly, especially in the United Kingdom and the United States, as a slur for a 'crazy person' (e.g. "he's a complete fruitcake") although "Cassell's Dictionary of Slang" traces uses of "fruitcake" meaning