| Family | Lamiaceae (alt. Labiatae) | 
| Subfamily | Lamioideae | 
| Scientific name | Chelonopsis moschata Miquel | 
| Synonyms | Chelonopsis moschata Miquel var. jesoensis (Koidzumi) Miyabe et Tatewaki | 
| Common name | (Japanese common name) jako-so (ジャコウソウ, 麝香草 [meaning: fragrant weed]) | 
| (English common name) Japanese turtlehead | |
| Distribution | (Japan) Hokkaido (Southwestern region), Honshu, Shikoku, Kyushu | 
| (Other nations) none | |
| Habitat | Mountane forest edge | 
| Chromosomal number | 2n=32 | 
| Description | Plants 60-100cm tall. Leaves 10-20cm long, 3-10cm wide. Flowers pale pueple (merely white) corollas 4-5cm long, flowering in September to October. Perennial plants. | 
| Reference | Comparative chromosomal characters of three Japanese species in Chelonopsis, Lamiaceae | 
| Chelonopsis moschata Miq. | |
| Note | Native to Japan. Relatively rare species. | 
| September 2007 at Mt. Tsukuba  | 
      September 2007 at Mt. Tsukuba  | 
      September 2007 at Mt. Tsukuba  | 
    
| September 2007 at Mt. Tsukuba  |