Genus Sophora, or the Sophora tree, is a flowering plant genus native to Asia, Australia, the Pacific Islands, and the Americas. There are several common synonyms for this plant genus, including Sophora sect. Edwardsia, Sophoreae and Sophore. The Genus Sophora tree is known for its vibrant yellow flowers and unique growth habit-- some species have a twisted, almost contorted kind of look to them. They are often used in landscaping due to their striking appearance and ability to withstand dry, arid conditions. Some common species of the Genus Sophora include Sophora japonica and Sophora tetraptera, which are commonly grown in China and New Zealand, respectively.