hidakaso
Ranunculaceae (buttercup family)
Callianthemum miyabeanum
- Physical characteristics:
- This perennial grows to approximately 20 cm in height. The leaves are found at the base and along the stem and are biternate, meaning each leaf is twice divided into groups of three leaflets. Each leaflet is further divided into thin segments. The number of petals varies.
- Blooming period:
- May
- Habitat:
- upper rocky areas
- Other information:
- an endemic species; an endangered species
- Japanese name origin:
- This endangered plant is found only on Mt. Apoi and in its environs, earning it the name “hidakaso” after the Hidaka region where Mt. Apoi is located. At the time of its discovery, it was also called “tsushimaso,” after its discoverer, Masao Tsushima.