Sichuan: Xiangcheng Xian.
Sichuan-Yunnan border area. North side of Daxue Shan between Zhongdian and Xiangcheng.
Mixed Abies-Larix-Picea-Juniperus forest with large Rhododendron and open talus slopes and meadows.
28°35'38"N,
99°50'49"E;
4100-4300 m.
Edge of conifer forest on steep, open, stony slope.Only a single plant (split longitudinally to yield two specimens); flowers white with abundant green spots.
David E. Boufford, Bruce Bartholomew, Wenyun CHEN, Michael J. Donoghue, Richard H. Ree, Hang SUN & Sugong WU (S. K. WU)