Black sour branch produced in Indonesia, that is, rose rosewood, also known as broad-leaved boxwood (Dalbergia latifolia). General China and Europe and the United States with different sourwood, but the rose rosewood in black sourwood is an exception, rose rosewood in the country had been widely used, China's Ming and Qing dynasty furniture material research expert Zhou Mo writes "wood identification", clearly pointed out that the rose rosewood for the old mahogany, from the Qing dynasty Yongzheng, Qianlong dynasty after being widely used. In Japan and Taiwan, China and other places used to rose rosewood called "wide-leaf yellow sandalwood" or "wide-leaf rosewood", in Guangdong region used to rose rosewood called "oil-acid branch". German scholar Gustav Ecker wrote "Chinese rosewood furniture map test", also known as rosewood for "India rosewood".