Abstract: Cerasus schneideriana (Koehne) T. T. Yu et C. L. Li f. pleiopetala J. P. Li, S. J. Ying et Y. F. Wang, a new form of Cerasus Mill. of Rosaceae from Zhejiang province was reported. The morphological properties of the form were compared with the type form C. schneideriana f. schneideriana. The result demonstrated that the new form has petals12-15, semi-double, stamens 45-70. The type specimen was deposited in Zhejiang Museum of Natural History (ZM).