Ranunculaceae
Idaho goldthread
Coptis occidentalis
- Family
- Ranunculaceae
- Genus
- Coptis
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Common names
By language (1)
- English
- Idaho goldthread
Synonyms
- Chrysocoptis occidentalis Nutt.
- Coptis occidentalis var. howellii Huth
Flowers
- In flower
- March to May (from 21 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Laurel Meredyk, CC BY 4.0, from iNaturalist 
FlowerPhoto: Cindy Bell, CC BY 4.0, from iNaturalist 
FlowerPhoto: Lauren Pfund, CC0, from iNaturalist 
FlowerPhoto: marek, CC BY 4.0, from iNaturalist 
FruitPhoto: Nolan Exe, CC BY 4.0, from iNaturalist 
FruitPhoto: Walter Fertig, CC0, from iNaturalist 
LeavesPhoto: Daughter Dad, CC BY 4.0, from iNaturalist 
Photo: John Powers, CC BY 4.0, from iNaturalist 
Photo: My-Lan Le, CC BY 4.0, from iNaturalist 
Photo: Sean Haight, CC0, from iNaturalist 
Photo: Laurel Meredyk, CC BY 4.0, from iNaturalist 
Photo: John Powers, CC BY 4.0, from iNaturalist
More in Coptis
- Threeleaf goldthreadCoptis trifoliaRanunculaceae
- Coptis chinensisRanunculaceae
- Coptis teetaRanunculaceae
- Japanese goldthreadCoptis japonicaRanunculaceae
- Coptis quinquefoliaRanunculaceae
- Oregon goldthreadCoptis laciniataRanunculaceae
- Coptis quinquesectaRanunculaceae
- Coptis trifoliolataRanunculaceae
- Coptis deltoideaRanunculaceae
- Coptis kitayamensisRanunculaceae
- Coptis omeiensisRanunculaceae
- Coptis minamitanianaRanunculaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.