goldthread(redirected from canker root)
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Any of several plants of the genus Coptis of the buttercup family, having small white flowers, ternately divided evergreen leaves, and slender yellow rhizomes used in herbal medicine.
1. (Plants) a North American woodland ranunculaceous plant, Coptis trifolia (or C. groenlandica), with slender yellow roots
2. (Plants) the root of this plant, which yields a medicinal tonic and a dye
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|Noun||1.||goldthread - low-growing perennial of North America woodlands having trifoliate leaves and yellow rootstock and white flowers|
Coptis, genus Coptis - small genus of low perennial herbs having yellow rhizomes and white or yellow flowers