21 September 2005.
Gansu Sheng, China
Locality: Gansu Province, Gannan Tibetan Autonomous Prefecture, Zhugqu County (Zhou Qu Shen), Coll. southwest of Chagang; Bai Long Jiang Forest Station; Ge'er Gou
Coordinates: 33.5527, 104.3370
(Map it)
Environment description: Mesic, mixed deciduous/coniferous forest; NE facing valley with steep slopes; long, cool ravine/gorge, slope 90 degrees, aspect N, Growing in association with Abies chensiensis, Tilia, Picea, Acer spp., Sorbus discolor, Tsuga chinensis, Thin, rocky