It is also distributed in India, Nepal, Sikkim, Bhutan, northern Myanmar, and northern Vietnam.
4-6月
Initially red, turning black, oval, about 8 mm long and 6-7 mm in diameter, with a flattened stone that has a shallow dorsal groove and a deep ventral groove.
Southern Hunan (Tiantangshan), northeastern Guangxi (Lingui), western and southwestern Sichuan, northwestern Yunnan (Nanjian, Jingdong), western and northeastern Yunnan, and southern to southeastern Tibet.