| Family | Valerianaceae |
| Scientific name | Valeriana flaccidissima Maximovicz |
| Synonyms | Valeriana faberi Graebner; Valeriana hardwickii Wallich var. diversifolia Miquel; Valeriana nokozanensis Yamamoto |
| Common name | (Japanese common name) turu-kanoko-sou (ツルカノコソウ, 蔓鹿子草 [meaning: vine dappled weed]), yama-kanoko-sou (ヤマカノコソウ, 山鹿子草 [meaning: mountain dappled weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Taiwan | |
| Chromosomal number | unknown |
| Description | Plants 20-40cm tall. Flowers white or pale pink corolla 5-7mm across, flowering in April to May. Perennial plants. |
| Reference | Hair dyeing by iridoid glycosides and aglycons thereof (US Patent 5078750/1992) |
| May 2006 at edge of mountane forest |
May 2006 at edge of mountane forest |
May 2006 at edge of mountane forest |
| May 2006 at edge of mountane forest |
May 2006 at edge of mountane forest |
May 2006 at edge of mountane forest |
| May 2006 at edge of mountane forest |
May 2006 at edge of mountane forest |
May 2006 at edge of mountane forest |