| Family | Lamiaceae (alt. Labiatae) |
| Subamily | Nepetoideae |
| Tribe | Mentheae |
| Scientific name | Agastache rugosa (Fisch. & C. A. Mey.) Kuntze |
| Synonyms | Lophanthus rugosus Fischer & C. Meyer; Elsholtzia monostachya H. Léveillé & Vaniot; Lophanthus argyi H. Léveillé ; Lophanthus formosanus Hayata |
| Common name | (Japanese common name) kawa-midori (カワミドリ, 河碧 or 川緑 [meaning: river green]) |
| (English common name) Chinese giant hyssop, Korean mint | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Taiwan, Vietnam | |
| Habitat | Mountane forest edge |
| Chromosomal number | unknown |
| Description | Plants electing 40-100cm tall. Leaves 5-10cm long, 3-7cm wide, petioles 1-3.5cm long. Flowers inflorescences 5-15cm long, calyxs 5-6mm long, purple corollas 8-10mm long, 4 stamens, flowering in August to October. Fruits 1.8mm long. Perennial plants. |
| Reference | Agastache rugosa (Fisch. & C. A. Mey.) Kuntze |
| Agastache rugosa (Fischer & C. Meyer) Kuntze |
| September 2006 at mountane forest edge |
September 2006 at mountane forest edge |
September 2006 at mountane forest edge |
| September 2006 at mountane forest edge |
September 2006 at mountane forest edge |