Coptis occidentalis

(Nuttall) Torrey & A. Gray

Fl. N. Amer. 1:28. 1838.

Basionym: Chrysocoptis occidentalis Nuttall J.Acad. Nat. Sci. Philadelphia 7:8. 1834
Treatment appears in FNA Volume 3.

Rhizomes pale brown. Leaves: blade ternate; leaflets long-petiolulate, blade widely ovate, incised with 2-3 lobes divided ca. 1/2 length to base, margins sharply serrate-denticulate. Inflorescences 2-3(-5)-flowered, often shorter than leaves at anthesis, 10-25 cm, elongating to 32 cm in fruit. Flowers erect; sepals spreading to reflexed, linear-lanceolate, 7-11× 0.4-1 mm; petals linear-lanceolate, nectary nearly basal, blade flattened, narrowly ligulate at apex; stamens 10-35. Follicles 5-15; stipe slightly shorter than body; body oblong, 7.5-14 mm; beak recurved, less than 1 mm. Seeds 2.2-2.6 mm.

Phenology: Flowering spring.
Habitat: Moist, coniferous woods
Elevation: 500-2000 m


Selected References


Lower Taxa