| Family | Lamiaceae (alt. Labiatae) | 
| Subfamily | Nepetoideae | 
| Tribe | Ocimeae | 
| Scientific name | Isodon umbrosus (Maximovicz) H. Hara. | 
| Synonyms | Isodon umbrosus (Maximovicz) H. Hara forma albiflorus Tuyama; Rabdosia umbrosa (Maximovicz) H. Hara; Plectranthus umbrosus (Maximovicz) Makino. | 
| Common name | (Japanese common name) inu yama hakka (イヌヤマハッカ, 犬山薄荷 [meaning: false mountain mint]) | 
| (English common name) none | |
| Distribution | (Japan) Honshu (Centeral region) | 
| (Other nations) none | |
| Habitat | Mountane forest | 
| Chromosomal number | 2n=24 | 
| Description | Plants 60-80cm tall. Leaves 5-15cm long, 1.5-3.5cm wide. Flowers blue purple or white (forma albiflorus) corollas 8-9mm long, flowering in August to September. Perennial plants. | 
| Reference | Lamiaceae (alt. Labiatae) | 
| Note | Bumblebee Pollinators and Pollination Ecotypes of Isodon umbrosus and I. shikokianus (Lamiaceae) | 
| Coating-type antimicrobial composition, antimicrobial coating film, filter, and electric air-quality conditioning equipment (US Patent 20060008539) | 
| October 2006 at Tsukuba Botanical Garden | October 2006 at Tsukuba Botanical Garden | October 2006 at Tsukuba Botanical Garden | 
| October 2006 at Tsukuba Botanical Garden | October 2006 at Tsukuba Botanical Garden | October 2006 at Tsukuba Botanical Garden |