Diphylleia Michx.
  • Fl. Bor.-Amer. 1: 203, pl. 19–20. 1803.
  • [Greek dis, twice, and phyllon, leaf]


Cite taxon page as 'WFO (2020): Diphylleia Michx. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000011907. Accessed on: 24 Feb 2020'

General Information

Herbs, perennial, deciduous, to 12 dm, glabrous or pubescent. Rhizomes formed of distinct annual increments, producing 1 leaf or flowering shoot per year. Aerial stems present. Leaves simple, 2-parted. Leaf blade 5-47 cm, parts lobed [or not], margins prominently dentate; venation palmate. Leaves of nonflowering shoot 1, basal; petiole centrally attached, erect, stemlike; blade orbiculate, peltate. Leaves of flowering shoots 2, cauline, alternate; petiole attached to blade near margin; blade reniform-orbiculate, peltate. Inflorescences terminal, cymose or umbelliform. Flowers 3-merous, 8-20 mm; bracteoles caducous, 2, scalelike; sepals falling early, 6, white or pale green; petals 6, white; stamens 6; anthers dehiscing by 2 apically hinged flaps; pollen exine spinose; ovaries ellipsoid; placentation appearing basal; style central. Fruits berries, dark blue, ellipsoid, glaucous. Seeds 2-11, red; aril absent. x = 6.

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

    Herbs, perennial, with thickened creeping rhizomes and coarse fibrous roots; rhizomes formed of distinct annual increments, producing stout 2(or 3)-leaved stem separating at base in autumn along marked articulation, leaving broad bowl-like excavation on rhizome. Leaves alternate; blade petiolate and peltate [except in Diphylleia grayi F. Schmidt, in which upper leaf sessile or subsessile and attached at sinus], transversely oblong to reniform-orbicular, pubescent or sparsely pubescent with unicellular hairs, palmately veined with main veins connected by secondary reticulate veins, 2-cleft with divisions shallowly to coarsely lobed and prominently dentate. Inflorescence terminal, pedunculate, usually a many-flowered cyme or umbel; branches glabrous or pubescent. Flowers pedicellate, actinomorphic, 3-merous. Sepals 6 in 2(or 3) whorls, white or pale green. Petals 6 in 2 whorls, white. Stamens opposite petals; anthers basifixed, longitudinally dehiscent; thecae separating from connective and ultimately attached only at apex; pollen conspicuously spiny. Ovary ellipsoid, 1-loculed; placentation parietal near base of ovary; ovules 2-11, anatropous; style absent or short and thickened; stigma peltate, cristate. Fruit berries, dark blue or purplish black, glaucous, globose or broadly ellipsoid. Seeds reddish brown, oblong to ovoid. n = 6.

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

    "Sep 6, biseriate, ovate-elliptic; stamens 6; ovary ellipsoid; stigma sessile; fr a few-seeded berry; smooth perennial herbs with a thick rhizome, the flowering stem with 2 alternate lvs peltate near the margin, the basal lvs scattered, erect, with centrally peltate blade; fls in a pedunculate cyme, white. 3, the other 2 in e. Asia."

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

    Literature

    SELECTED REFERENCES

    Ying T. S., S. Terabayashi, and D. E. Boufford. 1984. A monograph of Diphylleia (Berberidaceae). J. Arnold Arbor. 65: 57-94.

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

    Other Local Names

    NameLanguageCountry
    [Greek dis, twice, and phyllon, leaf]

     Information From

    Berberidaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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.
    • D Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).