| Family | Hypericaceae (alt. Guttiferae) |
| Scientific name | Hypericum yojiroanum Tatewaki & Koji Ito |
| Synonyms | none |
| Common name | (Japanese common name) daisetsu hina-otogiri (ダイセツヒナオトギリ, 大雪雛弟切 [meaning: Mt. Daisetsu tiny Hypericum]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (Mt. Daisetsu) |
| (Other nations) none | |
| Habitat | Alpine rocks |
| Chromosomal number | 2n=16 (2x) |
| Description | Plants creeping ca. 3-15cm long. Leaves 5-15mm long. Flowers yellow ca.10-12mm across, flowering in July to August. Perennial plants. |
| Reference | Hypericum yojiroanum Tatewaki & K. Ito |
| Note | Endemic to Japan. |
| June 2009 at my home |
June 2009 at my home |
June 2009 at my home |