Sichuan: Rangtang (Zamtang) Xian.
N of the city of Rangtang (Zamtang) on road into Qinghai Province, then along the Maerqu He (Maerqu River) on Sichuan side of river.
Remnant forest of Abies, Picea, Betula, Salix and Prunus on slopes above river; Salix immediately along river
32°40'21"N,
101°6'27"E;
3075-3525 m.
Open place above river.Shrub ca. 2 m tall; petioles and peduncles tinged red; fruit immature, appearing to be turning white.
D. E. Boufford, K. Fujikawa, S. L. Kelley, R. H. Ree, B. Xu, D. C. Zhang, J. W. Zhang, T. C. Zhang, W. D. Zhu