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| April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
| Family | Ranunculaceae |
| Subfamily | Coptidoideae |
| Tribe | Coptideae |
| Scientific name | Coptis trifolia (L.) Salisbury |
| Synonyms | Anemone groenlandica Oeder; Coptis groenlandica (Oeder) Fernald; Coptis trifolia (L.) Salisbury subsp. groenlandica (Oeder) Hultén; Coptis trifolia (L.) Salisbury var. groenlandica (Oeder) Fassett; Helleborus pumilus Salisbury; Helleborus trifolius L. |
| Common name | (Japanese common name) mitsuba ouren (ミツバオウレン, 三葉黄連 [meaning: three leaves ouren (ouren = Japanese pronunciation of a Chinese traditional medicine (Coptidis Rhizoma))]) |
| (English common name) threeleaf goldthread | |
| Distribution | (Japan) Hokkaido, Honshu (north of Central region) |
| (Other nations) Russia (Far East), Canada, USA, Greenland | |
| Habitat | Alpine, subalpine or mountane forest |
| Chromosomal number | 2n=18 (2x) |
| Description | Leaves ternate, leaflets each 3-12cm long, 1.5-3.5cm wide. Scapes 5-10cm tall, bracts 2mm long. Flowers 12-15mm across, 5 white calyxs each 6.5-7mm long, 5 spoon shaped yellow petals ca. 2.5mm long, flowering in June to August. Fruits 4-8mm long. Perennial plants. |
| Reference | Coptis trifolia (L.) Salisb. |
| Coptis trifolia (Linnaeus) Salisbury | |
| Coptis trifolia (L.) Salisb. | |
| Management Recommendations for Threeleaflet goldthread (Coptis trifolia (L.) Salisb.) | |
| Anti-fungal substance and preparing method thereof (US Patent 4200629/1980) | |
| Transgenic expression of a phytochrome a gene (US Patent 7271004/2007) |
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| April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
