D18: Pagoda tree: Styphnolobium japonicum
Originating from China and Korea, not Japan, it was introduced in 1753, and is a member of the Pea family (Fabaceae). The Chinese Name (槐) means Demon Tree. It may well produce chemicals that interfere with other trees, and it has a wide range of medicinal properties, and the wood is used to make the handle of the traditional Japanese adze. The Chongzhen Emperor hanged himself from one of these trees at the fall of the Ming Empire in 1644.