Xizang (Tibet): Jiangda (Gyamda) Xian.
Narrow gorge ca. 6 km E in a straight line from the center of the city of Jiangda (Gyamda).
Logged Picea forest, now dominated by Betula. Slopes and meadows; slopes with numerous, scattered limestone boulders and diverse herbaceous flora in organically rich, dark soil and with deep moss layer in many places.
31°28'59"N,
98°16'39"E;
3900 m.
Base of cliff.Petals white on plants with flowers, most plants only with fruit.
David E. Boufford, Bruce Bartholomew, Deren A. Eaton, Xin-Hui LI, Richard H. Ree, Bo XU, Ji-Pei YUE, Jian-Wen ZHANG & Xin-Xin ZHU