Pulsatilla halleri

About

Pulsatilla halleri, synonym Anemone halleri, Haller's anemone, is a species of flowering plant in the buttercup family Ranunculaceae, that can be found in sub-alpine and alpine regions of southern France, southern Switzerland, northern Italy and Poland, extending eastward to Greece, Bulgaria and Ukraine. It is found in mountain meadows, dry hills, dry grassy locations and mountainous forest glades. It is collected and cultivated for botanical and private gardens.

Summary from Wikipedia