| Family | Ranunculaceae |
| Scientific name | Trollius hondoensis Nakai |
| Synonyms | Trollius asiaticus L. var. ledebouri Maximovicz; Trollius akiyamae Toyokawa |
| Common name | (Japanese common name) kin-bai-sou [golden cups weed] |
| (English common name) none | |
| Distribution | (Japan) Honshu (Central region, Kinki region (Mt. Ibuki)) |
| (Other nations) none | |
| Chromosomal number | 2n=16 |
| Description | Plants electing 40-110cm. Leaves 6-14cm width. Flowers yellow 3.5-5cm, flowering in July to August. Perennial plants. |
| Reference | Trollius hondoensis |
| Note | Native to Japan |
| August 2006 at high marsh |
August 2006 at high marsh |
August 2006 at high marsh |
| August 2006 at high marsh |