| Family | Ranunculaceae |
| Scientific name | Thalictrum tuberiferum Maximovicz |
| Synonyms | Thalictrum filamentosum Maximovicz var. tenerum (H. Boissieu) Ohwi; Thalictrum filamentosum Maximovicz var. tenerum (H. Boissieu) Ohwi forma pubescens Tamura; Thalictrum tuberiferum Maximovicz var. pubescens Honda |
| Common name | (Japanese common name) miyama-karamatsu [high mountain karamatsu-sou (karamatsu-sou = Thalictrum species)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China | |
| Chromosomal number | unknown |
| Description | Plants electing 30-80cm tall. Leaves leaflets each 2-6cm long. Flowers white, flowering in June to July. Perennial plants. |
| Reference | Thalictrum tuberiferum Maxim. |
| Thalictrum tuberiferum Maximowicz | |
| Note | Some authors have descrived that Thalictrum yakusimense Koidzumi (syn. Thalictrum filamentosum Maximovicz var. yakusimense (Koidzumi) Tamura) occurs only in Yakushima Island and is not a synonym of Thalictrum tuberiferum Maximovicz. However Dr. Kitamura wrote about Thalictrum yakusimense as a synonym of Thalictrum tuberiferum. |
| 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 |