Sichuan: Daocheng Xian.
SW side of Haizi Shan between Sandui and Litang.
Boulder strewn, previously glaciated area adjacent to remnant glacial lake.
29°23'9"N,
100°8'58"E;
4500-4600 m.
In water in marshland.Bracts dark purple. Originally identified as Carex angustifructus (Kükenthal) Nelmes.
David E. Boufford, Bruce Bartholomew, Wenyun CHEN, Michael J. Donoghue, Richard H. Ree, Hang SUN & Sugong WU (S. K. WU)