Callianthemum miyabeanum

Callianteum miyabeanum, known as Hidaka-sō (ヒダカソウ) in Japan, is a species of flowering plant in the Ranunculaceae. It is endemic to Mount Apoi in the Hidaka Mountains of Hokkaidō, Japan.

Status on Japanese red list
The plant is in the endangered category on the red list of threatened plants of Japan.