Coptis japonica var. dissecta

Family Ranunculaceae
Subfamily Coptidoideae
Tribe Coptideae
Scientific name Coptis japonica (Thunberg) Makino var. dissecta (Yatabe) Nakai
Synonyms (Synonyms of Coptis japonica (Thunberg) Makino)
Coptis anemonaefolia Siebold & Zuccarini; Coptis orientalis Maximovicz; Thalictrum japonicum Thunberg
Common name (Japanese common name) seri-ba ouren (セリバオウレン, 黄連 [meaning: seri leaved ouren (seri = Oenanthe javanica subsp. stolonifera, ouren = a kind of Chinese traditional medicine (Coptidis Rhizoma))])
(English common name) Japanese coptis
Distribution (Japan) Honshu (Pacific Sea side), Shikoku
(Other nations) none
Habitat Mountane forest
Chromosomal number 2n=18
Description Scapes 15-40cm tall. Leaves blade 2-pinnate with pinnatifid leaflets to 3-pinnate. Flowers white filaments 8-12mm long, flowering in March to April. Perennial plants.
Reference Novel dibenzo[a,g]quinolizinium compounds (US Patent 4042592/1977)
Anti-fungal substance and preparing method thereof (US Patent 4200629/1980)
Method for promoting fusion of plant protoplast (US Patent 4677066/1987)
Compounds, compositions and method of treatments for improving circulatory performance (US Patent 4761417/1988)
Method for producing secondary metabolites of plants (US Patent 4717664/1988)
Macrolide compounds (US Patent 5057536/1991)
Hair cosmetic composition (US Patent 5053222/1991)
Compositions and method of treatment for improving circulatory performance (US Patent 5153178/1992)
γ-glutamylcysteine transferase (US Patent 5116749/1992)
Dyed textile products and a method of producing them (US Patent 5221289/1993)
Method of cultivating animal or plant cells (US Patent 5180676/1993)
Extracted substance having anti-HIV activity (US Patent 5468487/1995)
Method for production of plant biological products in precocious neomorphic embryoids (US Patent 5850032/1998)
Therapeutic drug for acne vulgaris (US Patent 5807845/1998)
Extracted substance having anti-HIV activity (US Patent 5928645/1999)
Methods and compositions for production of floral scent compounds (US Patent 6558922/2000)
Antibacterial, bactericidal and antiseptic agent, dermatologic preparation and detergent composition (US Patent 6025312/2000)
Callus-specific promoters (US Patent 6031151/2000)
Beauty-treatment method (US Patent 6269817/2001)
Cosmetics (US Patent 6497889/2002)
DNA shuffling of monooxygenase genes for production of industrial chemicals (US Patent 6605430/2003)
Flexible tube for endoscope (US Patent 6616601/2003)
Methods of determining SAM-dependent methyltransferase activity using a mutant SAH hydrolase (US Patent 6610504/2003)
Insecticide obtained from plants for use on termites (US Patent 6641827/2003)
Hair growth inhibitors and composition containing same (US Patent 7285294/2007)
Pharmaceutical composition containing berberine as effective ingredient for preventing and treating addiction or tolerance to morphine (US Patent 7250422/2007)
Method for plant tissue culture (European Patent EP0282164)
Note Coptis japonica var. dissecta involves berberine, isolariciresinol, pinoresinol and so on.

March 2008
at Mito Botanical Park
March 2008
at Mito Botanical Park

Male flowers

March 2008
at Mito Botanical Park
March 2008
at Mito Botanical Park

Bisexual flowers

March 2008
at Kyoto Botanical Garden
March 2008
at Mito Botanical Park

April 2007
at Nikko Botanical Garden
April 2007
at Nikko Botanical Garden