Xizang (Tibet): Riwoqe Xian.
WSW of the city of Riwoqe on road (highway 317) from Riwoqe (Riwoche) to Dingqing (Tengchen); Logonda. Confluence of small stream and Gei Qu (river).
Remnant Picea-Juniperus forests on steep slopes, some shaley, along main river and tributary. Area now covered with scrub of Berberis, Sibiraea, Spiraea and Potentilla glabra.
31°14'40"N,
96°31'9"E;
3830-3900 m.
Abundant on dry slope.Calyx green with reddish purple veins; petals pink.
David E. Boufford, Jia-Hui CHEN, Susan L. Kelley, J. LI, Richard H. Ree, Hang SUN & Yong-Hong ZHANG