Xizang (Tibet): Chaya (Dayak) Xian.
Ridge between Mai Qu (Mai River) and Lancang Jiang (upper Mekong River) E of the city of Chaya (Dayak).
Heavily grazed Kobresia meadow with scattered dwarf (< 0.5 m tall) Rhododendron nivale subsp. boreale, Caragana, Potentilla and Artemisia, with bare patches of reddish brown gravelly clay soil.
30°36'43"N,
97°36'25"E;
4400-4500 m.
In and under shrubs of Rhododendron.Corolla pinkish purple, paler at base.
D. E. Boufford, B. Bartholomew, D. A. Eaton, X. H. Li, R. H. Ree, B. Xu, J. P. Yue, J. W. Zhang & X. X. Zhu