| Family | Ranunculaceae |
| Scientific name | Thalictrum aquilegiifolium L. var. sibiricum Regel & Tiling |
| Synonyms | Thalictrum aquilegiifolium L. subsp. asiaticum (Nakai) Kitakawa; Thalictrum aquilegiifolium L. var. asiaticum Nakai; Thalictrum aquilegiifolium L. var. daisenense (Nakai) Emura; Thalictrum contortum L.; Thalictrum daisenense Nakai; Thalictrum rubellum Siebold & Zuccarini |
| Common name | (Japanese common name) mansen-karamatsu [Manchurian and Korean karamatsu-sou (karamatsu-sou = Thalictrum species)] |
| (English common name) none | |
| Distribution | (Japan) Honshu (Japan Sea side, north of Kinki region), Shikoku, Kyushu |
| (Other nations) Russia (Siberia), Korea, China, Mongolia | |
| Chromosomal number | unknown |
| Description | Plants electing 50-200cm tall. Leaves leaflets each 1.5-3.5cm long. Flowers white or pale purple, flowering in July to August. Perennial plants. |
| Reference | Thalictrum aquilegiifolium var sibiricum Regel & Tiling |
| Thalictrum aquilegiifolium var. sibiricum Linnaeus |
| July 2008 at Karuizawa Botanical Garden |
July 2008 at Karuizawa Botanical Garden |
July 2008 at Karuizawa Botanical Garden |
| July 2008 at Karuizawa Botanical Garden |
July 2008 at Karuizawa Botanical Garden |