Prunus mume clones. Tree type, big leaf type, early planting. Source and distribution: It was bred by Puwen Farm and Pu 'er Tea Tree Seed Farm in Yunnan Province from the sexual group varieties of Puwen Farm 1975~ 1990 by single plant breeding method. Pu 'er City, Yunnan Province has a large area of cultivation. Other tea areas in Yunnan have been introduced. 1992 Yunnan Crop Variety Approval Committee recognized it as a provincial variety. Number: Diancha 7. Start promoting.