15 September 2002.
Shaanxi Sheng, China
Locality: Ming Yi Valley, Heng Jian Zhen, Panquangou, Jiao Cheng.
Coordinates: 37.8456, 111.5381
(Map it)
Elevation: 2152m.
Environment description: Spruce dominated woods. Growing alone in full sun among shrubs at head of west-facing stream valley. 45 degree slope with a western aspect. Moist, acidic, high humus, well-drained soil.
Associated species: Betula platyphylla, Picea meyeri, P. wilsonii, Rosa, and Salix.
Collector(s): - Aiello, Anthony, Morris Arboretum of the University of Pennsylvania
- Bachtell, Kris, The Morton Arboretum
- Bordelon, Carole, U. S. National Arboretum
- Bristol, Peter W., Chicago Botanic Garden
- Tang, Yudan, Institute of Botany