Page author: David Giblin
Coptis laciniata
Oregon goldthread
WTU specimens
Other herbaria

Distribution: Occurring in the southwestern region of Washington; Washington south to California.

Habitat: Moist woods at low elevations.

Flowers: April-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Low, scapose perennials from slender, yellowish rhizomes, the scapes 5-12 cm. tall, shorter than the leaves.

Leaves:

Leaves all basal, long-petiolate, leathery, evergreen, the blades ternate-pinnatifid, the main leaflets 2-4 cm. long, ternately divided nearly to the base; secondary leaflets lobed halfway to the mid-vein, sharply toothed.

Flowers:

Scapes 1- to 2-flowered, 5-12 cm. long, slightly shorter than the leaves; sepals 5-8, linear-lanceolate, 6-10 mm. long, whitish, petaloid; petals 5-7, small, slenderly clawed, the blade narrowly lanceolate, basally glandular; stamens 15-25; pistils 5-10.

Fruits:

Follicles 8-12 mm. long, on a stipe.

Accepted Name:
Coptis laciniata A. Gray
Publication: Bot. Gaz. 12:297. 1887. 1887.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Coptis laciniata checklist entry.

E-Flora BC: Coptis laciniata atlas page.

CalPhotos: Coptis laciniata photos.

USDA Plants: Coptis laciniata information.

13 photographs:
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