18 September 1994.
Beijing Shi, China
Locality: Da Zhaung Ke (Old Village), Song Shan Forest Preserve, Yanqing County.
Coordinates: 40.5372, 115.7878
(Map it)
Elevation: 1210m.
Environment description: Growing in full sun in soil trapped between boulders; in wet season plant is standing in water, otherwise the site is rather dry.
Comment: In association with Rubus sp., Philadephus sp., Syringa sp., Ampelopsis sp., Spiraea trilobata, Hydrangea bretschneideri, and Salix sp.
Collector(s):