Rock Garden Plants
Coptis  japonica (Thunb.) Makino   
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FamilyRANUNCULACEAE
Genus species var.Coptis  japonica (Thunb.) Makino 
SynonymsThalictrum japonicum Thunb. (basionym)
 Coptis anemonifolia Siebold & Zucc.
 Coptis orientalis Maxim.
Territory Eastern AsiaJapan, (HokkaidoHonshuShikoku)
thickets and woods
Description lower leaves ternate, leaflets simple or shallowly lobate, 2-5cm long, broadly ovate, acute, petiolulate, irregularly acute-dentate, flowers 1-3, ca. 1cm across
Size15-20cm
Colorwhite
Bloomspring
Ca
Typetuft
Cultivationcold, shady site with a humous, moist soil
alpine house, moist, humous soil, shade
Propagationfresh seed, germ. 3-12 months, 13-16°C
division in early spring
BibliographyFlora of Japan www.biodiversitylibrary.org
The Plant List (2013) www.theplantlist.org
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý