| Family | Lamiaceae (alt. Labiatae) |
| Subamily | Nepetoideae |
| Tribe | Mentheae |
| Scientific name | Salvia plebeia R. Brown |
| Synonyms | Lumnitzeria fastigiata (Roth) Sprengel; Ocimum fastigiatum Roth; Ocimum virgatum Thunberg; Salvia brachiata Roxburgh; Salvia minutiflora Bunge; Salvia plebeia var. latifolia E. Peter |
| Common name | (Japanese common name) mizo-kouiju (ミゾコウジュ, 溝香薷 [meaning: gutter kouju (kouju = a kind of traditional Chinese medicine in Japanese pronunciation)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Taiwan, Myanmar, Thailand, Vietnam, Indonesia, Malaysia, India, Afghanistan, Australia | |
| Habitat | Swamp, riverside, wet field |
| Chromosomal number | 2n=32 |
| Description | Plants electing 30-70cm tall. Leaves 3-6cm long, 1-2cm wide. Frowers calyxs 2.5-3mm long, purple corollas 4-5mm long, 2 stamens, flowering in May to June. Fruits ca. 0.8mm long. Winter annual plants. |
| Reference | Salvia plebeia R. Br. |
| Salvia plebeia R. Brown | |
| Salvia plebeia R.Br. | |
| Polymerizable composition, optical material comprising the composition and method for producing the material (US Patent 20070149639) |
| May 2007 at lowland swamp |
May 2007 at lowland swamp |
May 2007 at lowland swamp |
| May 2007 at lowland swamp |
May 2007 at lowland swamp |
May 2007 at lowland swamp |
| April 2009 at Tsukuba Botanical Garden |
April 2009 at Tsukuba Botanical Garden |