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Common Herb Species of the Northwest Forest

TREES

SHRUBS

GRAMINOIDS

FERNS & FERN-ALLIES

BROPHYTES & LICHENS

GLOSSARIES
Terminology | Pictorial

   
Coptis trifolia
Goldthread
Ranunculaceae (Buttercup Family)

Goldthread Description

General - low, 5 - 15 cm tall, small perennial with basal, 3-foliolate leaves and leafless flower stalks from a thread-like yellow rhizome.

Leaves - all at stem base; shiny, evergreen, divided into 3 short-stalked leaflets, each obscurely lobed.

Flowers - usually single on a stalk 5 - 15 cm high; individual flowers white, star-shaped, with 5 to 7 parts, about 1 cm wide; nectar-bearing at tips; appearing in late spring.

Fruit -

Habitat

Widespread but not too common, occurring across a broad range of forest habitats and soil/site conditions; in mossy damp woods, especially in fresh to wet mostly coniferous stands.

Notes

A yellow dye can be extracted from the rhizome.









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