Axyris L.
  • Sp. Pl. 2: 979. 1753. (1 May 1753)
  • Russian pigweed [Greek axyros (a, not, and xyrios, razor), blunt, not cutting, in reference to the mild taste]


Cite taxon page as 'WFO (2020): Axyris L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000003796. Accessed on: 28 Mar 2020'

General Information

Herbs annual, covered with stellate hairs. Stems decumbent, ascending, or erect. Leaves alternate, petiolate; leaf blade flattened, lanceolate to ovate, margin entire. Flowers unisexual (plants monoecious). Male flowers sessile, several glomerulate in axils of upper branches and forming a spike; bracts and bractlets absent; perianth segments 3-5, obovate or elliptic, membranous, densely stellate pubescent abaxially, without appendages; disk absent; stamens 2-5; filaments linear; anthers broadly oblong; ovary rudimentary. Female flowers inserted on petiole of bract; bracts green, elliptic, midvein abaxially prominent; bractlets absent; perianth segments 3 or 4, membranous, without appendages, enlarged in fruit; ovary ovoid; style short; stigmas 2. Fruit a utricle, compressed, ellipsoid or ovoid, glabrous or wrinkled, usually with a crestlike appendage. Seed vertical; embryo semi-annular; radicle inferior; perisperm copious.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    Herbs, annual, monoecious, covered with rusty-colored, stellate, and whitish simple trichomes. Stems ascending, not jointed or armed, slender. Leaves alternate, petiolate; blade ovate-lanceolate to narrowly lanceolate, base tapered, margins entire, plane or revolute, apex acute to acuminate. Inflorescences glomerules, cymes, or flowers solitary. Staminate flowers in terminal glomerules or at end of pistillate cymes. Pistillate flowers solitary in upper leaf axils or forming cymes commingled with staminate flowers. Flowers unisexual; staminate with perianth segments 3-5, stamens 2-5; pistillate with bracteoles 2, perianth segments 3-4, stigmas 2, filiform. Fruiting structures persistent, accrescent perianth surrounding utricle; utricles winged, obovate to cuneate, laterally compressed; pericarp adherent. Seeds vertical, ovoid; seed coat grayish, granular; embryo horseshoe-shaped; perisperm copious. x = 9.

  • Provided by: [D].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 

    "Pistillate fls in short, bracted, panicled spikes terminating the branches; cal of 3 or 4 hyaline sep; ovary compressed, at maturity minutely 2-winged at the summit; styles 2, filiform; staminate fls several to many in a short terminal spike, or solitary or few at the top of the pistillate spikes; sep and stamens 3–5; seed flattened, obovate, closely invested by the very thin pericarp, the embryo horseshoe-shaped, the radicle basal; annual herbs with alternate, entire lvs. 7, Russia and Korea."

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

    Other Local Names

    NameLanguageCountry
    Russian pigweed [Greek axyros (a, not, and xyrios, razor), blunt, not cutting, in reference to the mild taste]

     Information From

    Amaranthaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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.
    • 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
    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).