| Family | Ranunculaceae |
| Scientific name | Thalictrum foltidum L. var. apoiense T. Shimizu |
| Synonyms | none |
| Common name | (Japanese common name) apoi-karamatsu (アポイカラマツ, アポイ唐松 [meaning: Mt. Apoi karamatsu-sou (karamatsu-sou = Thalictrum species))] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (Mt. Apoi) |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants electing 15-50cm tall. Leaves leaflets each 3-7mm long, non hair. Flowers white, flowering in May to June. Perennial plants. |
| Reference | Thalictrum foetidum Linnaeus |
| Note | Endemic to Japan |
| May 2010 at my home |
May 2010 at my home |
| May 2010 at my home |
| May 2010 at my home |