Find the name of the purple flower in the picture.

Cirsium setosum, commonly known as Oxytropis, is a plant of Cirsium in Compositae. It is distributed in most parts of China, and also in Central and Eastern Europe, eastern Russia, Japan and North Korea. It grows at an altitude of 140 m to 2650 m, and is generally born in wasteland, grassland, hillside forest, roadside, shrub, field, forest edge and stream side. It is artificially cultivated for medicinal purposes.