Brown, also known as dark plum, black plum, black plum or dark plum, has a fruit diameter of about 4 cm, but it is slightly dark purple in color, thick and sweet in taste and slightly sour in skin. Introduced from the United States, New Zealand and other places, it can be planted in the south of the Yangtze River in China, and also in Taiwan Province Province. Can be made into various fruit platters, desserts and jams.

Brown fruit originated in the United States, and there are many series of varieties such as early maturity, middle maturity and late maturity. Its fruit is the treasure of plums, with beautiful appearance and high quality. The single fruit weight is between 50 ~ 2 10g, ranking first among all plum varieties, and it is the "king of plum".