| Family | Fumariaceae (also placed in Papaveraceae) |
| Subfamily | Fumarioideae |
| Tribe | Corydaleae |
| Scientific name | Corydalis pallida (Thunberg) Persoon var. tenuis Yatabe |
| Synonyms | Corydalis hondoensis Ohwi |
| Common name | (Japanese common name) miyama-ki-keman (ミヤマキケマン, 深山黄華鬘 [meaning: Mountain yellow keman (keman = an ornament which is used in Buddhism temple)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (east of Kink region) |
| (Other nations) none | |
| Habitat | Forest edge |
| Chromosomal number | unknown |
| Description | Plants 30-50cm tall. Flowers yellow 2-2.3cm long, flowering in April to May. Fruits black ca. 1.7mm across. Winter annual plants. |
| Reference | Corydalis pallida var. tenuis |
| Studies on the Alkaloids of Papaveraceous Plants. XXII. Separation of the Alkaloids by Droplet Countercurrent Chromatography. 2. The Quaternary Bases of Corydalis Pallida var.tenuis YATABE | |
| Anticonvulsant and anxiolytic lactam and thiolactam derivatives (US Patent 6066666/2000) | |
| Lactam and thiolactam derivatives as anesthetic and conscious sedation agents (US Patent 6680331/2004) | |
| Paints, coatings and polymers containing phytochemical agents and methods for making and using same (WIPO Patent WO/2005/017051) | |
| Note | Korean authors have believed that Corydalis pallida var. tenuis is a synonym of Corydalis pallida (var. pallida). |
| June 2008 at mountane forest edge |
June 2008 at mountane forest edge |
June 2008 at mountane forest edge |
| June 2008 at mountane forest edge |
June 2008 at mountane forest edge |