Sichuan: Maerkang (Barkam) Xian.
SE of the city of Maerkang on highway 317, then on highway 211 to Dangba, village of Yinliang Cun.
Thickets and open heavily grazed areas along stream and adjacent slopes with remnant forest with Acer, Betula, Fraxinus, Populus, Salix, Taxus and Pinus.
31°43'52"N,
102°4'19"E;
2365-2870 m.
Stony slopes in moist soil, under shrubs, and in open.Colonial; fruit green; flowers remaining on a few plants, petals white.
David E. Boufford, Kazumi FUJIKAWA, Susan L. Kelley, Richard H. Ree, Bo XU, Dacai ZHANG, Jian-Wen ZHANG, Ti-Cao ZHANG & Wei-Dong ZHU