Coptis Salisb.
  • Trans. Linn. Soc. London 8: 305. 1807.
  • Goldthread, coptide [Greek, kopto, to cut, referring to dissected leaves]


Cite taxon page as 'WFO (2021): Coptis Salisb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000009233. Accessed on: 22 Oct 2021'

General Information

Herbs , perennial, from orange, yellow, or pale brown, slender rhizomes 0.5-2 mm thick. Leaves basal, petiolate. Leaf blade 1-2-ternately compound, 1-2-pinnately compound, or deeply divided; leaflets ovate or triangular, lobed or parted, margins sharply serrate to denticulate. Inflorescences scapose, 1-4-flowered cymes, to 3 cm (9 cm in fruit); bracts absent. Flowers bisexual and staminate (all bisexual in C . trifoliata ), radially symmetric; sepals not persistent in fruit, 5-7, green to white, plane, linear-lanceolate, oblanceolate to obovate or elliptic, occasionally clawed, 4.2-11 mm; petals 5-7, distinct, green, plane or concave distally, either clavate with adaxial nectary at apex or linear with adaxial nectary near base, clawed, 2-7 mm; stamens 10-60; filaments filiform; staminodes absent between stamens and pistils; pistils 4-15, simple; ovules 4-10 per pistil; style present. Fruits follicles, aggregate, stipitate, forming umbel-like clusters, oblong to ellipsoid, sides not veined; beak present or absent, terminal, straight or apically hooked, 0-4 mm. Seeds dark brown to tan, ellipsoid, shiny, often appearing wrinkled. x =9.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Herbs perennial, rhizomatous or sometimes stoloniferous. Rhizomes branched. Leaves several, basal, long petiolate, 3- or 5-sect. Scapes 1 to several, erect. Inflorescences terminal, monochasial, 1- to few flowered. Flowers small, actinomorphic, bisexual. Sepals 5(--8), white or greenish yellow, often petaloid. Petals 5--10 or more, clawed, adaxially often nectariferous. Stamens numerous, glabrous; filaments filiform; anthers broadly elliptic. Pistils 8--14, stipitate; ovules several per ovary. Styles recurved. Follicles stipitate, oblong, transverse veins inconspicuous; persistent styles short. Seeds brown, ellipsoid, shiny, nearly smooth.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 2
    • ]. 

    "Sep 4–7, petaloid; pet none; staminodes 4–7, smaller than the sep, clavate, nectariferous in the hollow summit; stamens numerous, with broad anthers; pistils 3–7, stipitate even at anthesis, narrowed to a short, slender, persistent style; fr follicular; perennial herbs with basal, evergreen, ternately compound lvs and erect, lfless or minutely bracteate scapes with 1–few white fls. 10, N. Temp. and Arctic."

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 3
    • ]. 

    Literature

    SELECTED REFERENCES

    Fernald, M. L. 1929. Coptis trifolia and its eastern American representative. Rhodora 31: 136-142. Hultén, E. 1937. Flora of the Aleutian Islands and Westernmost Alaska Pensinsula with Notes on the Flora of Commander Islands.... Stockholm.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Other Local Names

    NameLanguageCountry
    Goldthread, coptide [Greek, kopto, to cut, referring to dissected leaves]

     Information From

    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    New York Botanical Garden
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    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Missouri Botanical Garden
    Ranunculaceae
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).