Coptis aspleniifolia
fern-leaf goldthread
WTU specimens
Other herbaria

Distribution: Alaska to Vancouver Island, British Columbia, and in Whatcom, Jefferson and Snohomish Counties, Washington

Habitat: Moist woods and bogs

Flowers: Late April - May

Origin: Native

Conservation Status: Imperiled in Washington (WANHP)


Low, scapose perennials from slender, yellowish rhizomes, the scapes 5-25 cm. tall, exceeding the leaves.


Leaves all basal, fern-like, leathery, evergreen, the blades primarily ternate, the main lateral leaflets pinnately compound to deeply pinnatifid, the terminal leaflet pinnate-pinnatifid, the ultimate segments deeply incised and sharply serrulate.


Scapes 2- to 3-flowered; sepals 5-8, whitish, petal-like, deciduous, filiform-lanceolate, 6-10 mm. long; petals 5-7, shorter than the sepals, linear above the broadened, gland-bearing base; stamens 15-25; pistils 5-10.


Follicles 7-9 mm. long, on a stipe nearly as long.

Accepted Name:
Coptis aspleniifolia Salisb.
Publication: Trans. Linn. Soc. London, Bot. 8:306. 1807. 1807.

Synonyms & Misapplications:
Coptis asplenifolia Salisb., orthographic variant [HC]
Additional Resources:

PNW Herbaria: Specimen records of Coptis aspleniifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Coptis aspleniifolia checklist entry.

E-Flora BC: Coptis aspleniifolia atlas page.

CalPhotos: Coptis aspleniifolia photos.

USDA Plants: Coptis aspleniifolia information.

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