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cut-leaf goldthread, Oregon golden thread, Oregon goldthread

Rhizomes

pale brown.

Leaves

blade 2-ternate or ternate with leaflets deeply 3-lobed almost to base;

leaflets short- to long-petiolulate, blade ovate to triangular, incised-lobate nearly to midvein, margins sharply serrulate-denticulate.

Inflorescences

2-4-flowered, often shorter than leaves at anthesis, 5-10 cm, elongating to 25 cm in fruit.

Flowers

nodding;

sepals reflexed and ascending, linear-lanceolate, 6-11x 0.3-1 mm;

petals linear-lanceolate, nectary nearly basal, blade flattened, narrowly ligulate at apex;

stamens 10-25.

Seeds

2-2.5 mm.

Follicles

5-11;

stipe equal to or slightly shorter than body;

body oblong, 8-13.5 mm;

beak recurved, less than 1mm.

Coptis laciniata

Phenology Flowering spring–summer.
Habitat Moist woods, stream banks, seeps, and wet cliffs in the coastal mountains
Elevation 500-2000 m (1600-6600 ft)
Distribution
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 3.
Parent taxa Ranunculaceae > Coptis
Sibling taxa
C. aspleniifolia, C. occidentalis, C. trifolia
Name authority A. Gray: Bot. Gaz. 12:297. (1887)
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