Southern Hunan (Tiantangshan), northeastern Guangxi (Lingui), western and southwestern Sichuan, northwestern Yunnan (Nanjian, Jingdong), western and northeastern Yunnan, and southern to southeastern Tibet.
Flowering occurs from April to June, and fruiting occurs from September to October.
White or slightly reddish, radially symmetric, 6-10 mm in diameter, with ovate to broadly elliptic petals.
4-6月