(First upload on July 24 2023. Last on March 23 2024) [ 日本語 | English ]

Valeriana officinalis L.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Valeriana L. (カノコソウ)

APG: Caprifoliaceae (スイカズラ)
V. alternifolia Bunge (コウアンカノコソウ)
V. amurensis Smirn. ex Kom. (ケカノコソウ)
V. fauriei Briq. (カノコソウ)
V. officinalis L. (セイヨウカノコソウ)

Valeriana officinalis grown in Hokkaido

Valeriana L. (カノコソウ)
Seiyoukanokosou (セイヨウカノコソウ, 西洋鹿子草), garden valerian, garden heliotrope, setwall and all-heal
Youshukanokosou (ヨウシュカノコソウ)
Lifeform: perennial forb with 80-150 cm tall
Distribution: Europe - Asia (non-native to Japan)

invasive species in various regions

Habitat: shore meadows, river banks, stream banks, broad-leaved forests, forest margins, banks, fallow fields, abandoned lawns, etc.
Use: roots and rhizomes, used as medicine (tranquilizer and sleep aid)

[1-3] in Experimental Station for Medical Plant Studies, Faculty of Medicine, Hokkaido University, on June 3 2023.

Valeriana amurensis P. A. Smirn. ex Kom. in northeastern Asia

Kekanokosou (ケカノコソウ, 毛鹿子草), Amur valerian
Lifeform: perennial forb
Distribution: eastern Siberia - Russian Far East - Korean Peninsula
Use: leaves eaten in Manchuria, medicine

Valeriana sambucifolia ssp. amurensis (P. A. Smirn. ex Kom.) H. Hara, homotypic

[1] in Sandaohu peatland, Jilin Province, northeastern China, on June 11 2017.