6a. Pulsatilla ambigua var. ambigua
蒙古白头翁(原变种) meng gu bai tou weng (yuan bian zhong)
Sepal apex without an apical appendage.
Grassy slopes; 2000--3900 m. N Gansu, W Heilongjiang, Nei Mongol, Ningxia, N Qinghai, Xinjiang [Mongolia, Russia (W Siberia)].