23 September 1997.
Sichuan Sheng, China
Locality: Town of Mao xian ping, 6km. northeast of Maoxian.
Coordinates: 31.7206, 103.9161
(Map it)
Elevation: 1800m.
Environment description: Loam, dark brown soil. Slope 15-20% incline. Aspect-South, partial canopy. Landform: mountain, higher in this area. Dominent tree sp: Oak; Assoc: Juglans, Prunus. Assoc shrub: Rosa, Corylus, Vitis, Actinidin, Viburnum.
Comment: Annual rainfall: 487.9mm. Average temp: Jan. 0.4c., July 20.9c. Cum. temp. above 10c: 3159.4. Higest temp: 32c.; Lowest temp: -11.6. Species: M. sieboldii, M. yunnanensis. Population patchy; 75% fruiting. Area 150-200m. in length.
Collector(s):