Page authors: Dan Post, David Giblin
Coptis trifolia
threeleaf goldthread
Specimens
Photos
Distribution: Occurring west of the Cascades crest in Washington in the northwest corner of the Olympic Peninsula. Alaska to Washington, Idaho and Montana, east across northern North America to the Atlantic; disjunct in Clackamas County, Oregon; also in Greenland and eastern Eurasia.
Habitat: Deep woodland, often where swampy.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
Description:
[none provided]
Accepted Name:
Coptis trifolia (L.) Salisb.
Publication: Trans. Linn. Soc. London, Bot. 8:305. 1807.
Publication: Trans. Linn. Soc. London, Bot. 8:305. 1807.
Synonyms & Misapplications:
Coptis groenlandica (Oeder) Fernald
Additional Resources:
PNW Herbaria: Specimen records of Coptis trifolia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Coptis trifolia checklist entry
OregonFlora: Coptis trifolia information
E-Flora BC: Coptis trifolia atlas page
CalPhotos: Coptis trifolia photos
4 photographs:
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