Sichuan: Xiaojin Xian.
S of the city of Danba across the Dadu He (Dadu River) along tributary of Dadu He.
Steep, rocky slope with large moss-covered boulders in shade of trees near base. Most trees cut, but Quercus, Diospyros, Toxicodendron and Juglans regia remaining. Limestone bedrock
30°44'10"N,
102°3'41"E;
1930 m.
Moist soil on stony slope in semi shade.Flowers blue and white, turning pinkish.
D. E. Boufford, K. Fujikawa, S. L. Kelley, R. H. Ree, B. Xu, J. W. Zhang, T. C. Zhang, W. D. Zhu