09 November 1996.
Gansu Sheng, China
Locality: Mai Chao Gou, Tian Shui City District, Dang Chuan Forest Station, Xiao Long Shan Forest Bureau.
Coordinates: 34.3040, 106.2074
(Map it)
Elevation: 1650m.
Environment description: 2 meters above a stream in an open woodland setting along a path. Periodic flooding takes place in this zone. <3 degrees of slope with a northern aspect. Among rocks in sandy silt-loam soils deposited by stream.
Associated species: Carpinus, Juglans, Lonicera, Quercus, Salix, and several herbaceous species.
Comment: Collected from more than five trees.