Sichuan: Maerkang (Barkam) Xian.
Zhegu Shan (between Maerkang (Barkam) and Li Xian) on west side of pass along highway 213.
Alpine meadows and Rhododendron thickets along ridge on west side of highway
Around rocks on ridge crest.Florets violet, visited by bumble bees; leaves white on lower surface. Originally identified as S. tibetica C. Winkler, by K. Fujikawa, 27 Feb 2008.