Xizang (Tibet): Changdu (Chamdo) Xian.
Road (highway 317) from Changdu (Chamdo) to Jiangda (Gyamda), along Zha Qu (Zha River), a tributary of the Lancang Jiang (Mekong River), N of the town of Toba near village of Suijiewa.
Picea forests on slopes with Spiraea, Cotoneaster, Potentilla glabra and Ribes; wet meadow-like areas, periodically flooded depressions and Hippophaƫ communities along river.
31°24'21"N,
97°28'19"E;
3700-3900 m.
Rocky, sandy areas along river.Scattered. Tepals purple; anthers black; pollen white.
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