2. It takes about 6 years from planting to fruiting, and the fruiting period is usually in July-August. Its fruit is oval and slightly flat, with a length of 1.2-2.2 cm and a width of about 1 cm, and its color is brownish yellow to purplish red. Stone length 1-2 cm, smooth surface, grayish white.

3. Distribution: Syria, Iraq, Iran, southwestern Russia and southern Europe; China and Xinjiang are cultivated.