21 September 1997.
Sichuan Sheng, China
Locality: Maerkang County, Dananzugou village. 5 km. northeast of Maerkang.
Coordinates: 31.9469, 102.2714
(Map it)
Elevation: 2930m.
Environment description: Aspect-South, partial canopy. Incline <5%, slight south, variable. Landform: Mountain valley. Assoc. sp: Sorbus, Fir, Pine Acer, Cornus, Willow, Betula. Shrub sp: Rosa, Pyracantha, Holly, Berberis, Cotoneaster, Rubus. Herb sp: Aster, Fern.
Comment: Annual temp. 8.6c. Jan. temp. -1c, July 16.5c. Cum. temp. above 10c: 2258.1. Frost Free Days: 236. Species: M. hupehensis, toringoides, kansuensis. Population patchy; 50% fruiting. Area-2km in length. Elevation: 2930-2860m.
Collector(s):