Xizang (Tibet): Jiangda (Gyamda) Xian.
Ca. 21 km W of the city of Jiangda on highway 314 (to Changdu), then N on road to Yushu, Qinghai Province.
Gravelly slopes along stream, flat Kobresia-Bistorta meadows, and slopes with dwarf Rhododendron (< 0.5 m tall) and Sibiraea
On slope with Rhododendron and Sibiraea, between and under shrubs.Stem purplish; corolla dark pinkish purple.
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