Eschscholzia Cham.
  • Horae Phys. Berol. 73–75, pl. 15. 1820. (16-20 Apr 1820)
  • [For Johann F. G. von Eschscholtz, 1831, Estonian physician and biologist who traveled with Chamisso on the Romanzoff (or Kotzebue) Expedition to the Pacific Coast]


Cite taxon page as 'WFO (2020): Eschscholzia Cham. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000014023. Accessed on: 21 Feb 2020'

General Information

Herbs , annual or perennial, scapose or caulescent, from taproots; sap colorless or clear orange. Stems leafy. Leaves alternate, basal and sometimes cauline, petiolate; blade 1-4× pinnately deeply lobed, lobes of each order usually 3; ultimate lobes narrow. Inflorescences terminal, cymose with bracts present, or 1-flowered. Flowers: receptacle dilated, forming cup beneath calyx, sometimes with free rim; perianth and androecium perigynous; sepals 2, connate, calyptrate, deciduous as unit; petals 4, rarely more (doubled flowers), obovate to obcuneate, with satin sheen from microscopic linear grooves; stamens 12-many; pistil 2-carpellate; ovary 1-locular; style absent; stigmas 4-8, spreading, linear. Fruits capsular, cylindric, 2-valved, dehiscing from base along placentas, often explosively. Seeds many, tan, brown, or black, spheric to ovoid, reticulate, ridged and burlike, or pitted, aril absent. x = 6, 7.

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

    Herbs, perennial to annual, glabrous, slightly hyaline lactiferous. Leaves alternate, generally tripinnatipartite; lobules mostly linear, narrow. Flowers solitary on long pedicels, yellow or orange, occasionally white or cream, large; receptacles cupular-inflated, flowers perigynous. Sepals 2, fused, usually herbaceous in one piece, oblong or conical, in bud margins joined to caplike, at flowering pushed off in one piece due to expanding corolla, apically acute or acuminate. Petals 4, broad, from margin of cupular receptacle, imbricate or contorted in bud. Stamens many, from margin of cupular receptacles; filaments short; anthers linear or oblong, usually longer than filaments, basifixed, 2-celled, introrse. Ovary linear, 1-loculed, 2-carpellate, from bottom of cupular receptacles; styles very short; stigmas 2 or more, almost broadly linear. Capsule narrowly terete, 10-ribbed, 2-valved, dehiscing from base to apex, later usually curved. Seeds many, spherical, tessellate, tuberculate, not carunculate. Cotyledons linear, entire or 2-incised, lobes linear.

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

    Literature

    SELECTED REFERENCES

    Clark, C. and J. A. Jernstedt. 1978. Systematic studies of Eschscholzia (Papaveraceae). II. Seed coat microsculpturing. Syst. Bot. 3: 386-402. Ernst, W. R. 1964b. The genus Eschscholzia in the south Coast Ranges of California. Madroño 17: 281-294. Greene, E. L. 1905b. Revision of Eschscholtzia. Pittonia 5: 205-308. Lewis, H. and R. Snow. 1951. A cytotaxonomic approach to Eschscholzia. Madroño 11: 141-143.

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

    Other Local Names

    NameLanguageCountry
    [For Johann F. G. von Eschscholtz, 1831, Estonian physician and biologist who traveled with Chamisso on the Romanzoff (or Kotzebue) Expedition to the Pacific Coast]

     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
    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.
    • B Missouri Botanical Garden
    Papaveraceae
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).