Xizang (Tibet): Zuogong (Zogang) Xian.
S of the city of Zuogong (Zogang) along the Yu Qu (Yu River; often Yuqu He on Chinese maps) off highway Y563. Along small tributary of Yu Qu.
Deforested ravine along small stream (originally Picea forest), with Rhododendron, Ribes, Juniperus.
29°29'40"N,
97°56'38"E;
4000-4100 m.
Grazed meadow at base of Juniperus.Corolla dark 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