| Family | Caryophyllaceae |
| Subfamily | Caryophylloideae |
| Tribe | Sileneae |
| Scientific name | Silene hidaka-alpina (Miyabe & Tatewaki) Ohwi & Ohashi |
| Synonyms | none |
| Common name | (Japanese common name) kamui biranji (カムイビランジ, 神威ビランジ [meaning: Mt. Kamui-ekuuchikaushi (meaning of biranji is unknown)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (Mt. Kamui-ekuuchikaushi, Mt. Tottabetu-dake) |
| (Other nations) none | |
| Habitat | Alpine rocks |
| Chromosomal number | 2n=48 (4x) |
| Description | Plants 3.5-10cm. Leaves 1.5-3cm long, 3-6mm wide. Flowers pink ca. 2cm, flowering in August. Perennial plants. |
| Note | Endemic to Japan. |
| May 2008 at Kochi Prefecture Makino Botanical Garden |
May 2008 at Kochi Prefecture Makino Botanical Garden |