Coptis trifolia (L.) Salisb.
Family: Ranunculaceae
three-leaved gold-thread
[Coptis groenlandica (Oeder) Fernald,  more...]
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Janice Stiefel  
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Arthur Meeks  
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University of Wisconsin - Madison (WIS-VP)  
Etymology: Coptis: from Greek "to cut," alluding to the divided leaves
Plants: erect, perennial, 2"-3" tall, evergreen forb; slender, bright yellow rhizomes
Leaves: 3-parted, basal, roundish with rounded teeth, shiny, evergreen
Flowers: white, 4 -7-parted, 3/8" wide, petal-like sepals; 1 to a few 2"-6" stalks with a solitary flower; blooms May-June
Habitat: moist to moderate moisture; forests, bogs
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Swamps of white cedar, tamarack, spruce, black ash-balsam fir-yellow birch; upland forests of pine, pine-hardwoods, aspen, oak-spruce-balsam fir, pine-white cedar-hemlock, maple-balsam fir, hemlock-hardwoods. Rarely in marshes, on rock outcrops, and wet cliffs.

A distinctive, stemless little plant with evergreen trifoliolate leaves and yellow rhizomes. Found throughout the northern half of the state, with a number of collections from the eastern counties between Lake Winnebago and Lake Michigan. Many of the populations in the Driftless Area are associated with relic bogs and cool cliff faces.
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Arthur Meeks  
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Christopher Noll  
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Christopher Noll  
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Aaron_Carlson  
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Merel R. Black  
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Aaron_Carlson  
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Merel R. Black  
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Aaron Carlson  
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Matthew L. Wagner  
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Aaron Carlson  
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Matthew L. Wagner  
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