Asarum L.
  • Sp. Pl. 1: 442. 1753. (1 May 1753)
  • Wild-ginger; asaret, gingembre sauvage [Ancient Greek asaron, name of an unknown plant]


Cite taxon page as 'WFO (2020): Asarum L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000003221. Accessed on: 03 Dec 2020'

General Information

Herbs perennial; annual growth modules consisting of 2-4 cataphylls, 1 or 2 foliage leaves, and a terminal flower. Rhizomes short and vertical or long and horizontal; rhizomes and roots often pungently aromatic. Stems herbaceous. Foliage leaves solitary or paired on each growth module (when paired appearing opposite), usually long petiolate, often cordate or sagittate, margin entire. Flowers terminal, solitary (rarely paired). Perianth uniseriate, actinomorphic (rarely slightly zygomorphic). Calyx adnate to ovary to varying degrees; sepals either connate beyond attachment to ovary and forming a tube or free and forming false tube above ovary; tube cupular, urceolate, campanulate, funnelform, or cylindric, often ribbed or tessellate on adaxial surface, constricted or open at throat (orifice), throat with or without narrowly projected, contiguous shelf of tissue (orifice ring); lobes 3, erect, spreading, or reflexed. Stamens 12 in 2 series, rarely with 3 staminodes; filaments long to almost absent; anthers extrorse. Ovary inferior or half-inferior, 6-loculed; carpels fully connate. Styles 6, free or united into column, apex entire or 2-lobed; stigma terminal or lateral. Fruit a fleshy or spongy capsule, splitting irregularly when ripe. Seeds convex dorsally, plane or grooved ventrally, with fleshy funicle at base. 2n = 12, 24, 26.

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

    Herbs , perennial, deciduous, rhizomatous, without aerial stems. Leaves alternate (sometimes appearing opposite because of crowding), 2-ranked; stipules absent; petiolate foliage leaves and sessile, triangular scale-leaves both present. Leaf blade membranous or leathery, pubescent at least abaxially and on margins. Inflorescences terminal on rhizome, flowers solitary; bracts absent. Flowers: sepals distinct, usually mixture of white, green, tan, red, or purple, proximally touching valvately and forming well-defined false tube, externally usually villous, inner surface strigose, smooth or with weak longitudinal ribs, never with network of low ridges; vestigial petals present or absent; stamens 12, distinct; filaments longer than pollen sacs; terminal appendage of anther well developed; ovary inferior, 6-locular; styles connate in column. Capsule fleshy, dehiscence irregular. Seeds ovoid, not winged, with fleshy appendage. x = 13.

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

    "Cal regular, tubular below, deeply 3-lobed, hairy outside; pet none or vestigial; stamens 12, with well developed filament, closely appressed to the styles; connective prolonged as a subulate tip; ovary inferior, 6-locular; styles coherent in a column, expanded at the tip into a 6-lobed stigma; fr capsular, opening irregularly; seeds large, ovoid, wrinkled, carunculate; herbs, the elongate rhizome producing annually a pair of petiolate, broad, membranous, hairy lvs, these deciduous at the end of the season; fls solitary, red-brown, short-peduncled, arising between the pair of lvs. 90, N. Hemisphere."

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

    Literature

    SELECTED REFERENCES

    Mesler, M. R. and K. L. Lu. 1990. The status of Asarum marmoratum (Aristolochiaceae). Brittonia 42: 33-37.

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

    Included Species

    Other Local Names

    NameLanguageCountry
    Wild-ginger; asaret, gingembre sauvage [Ancient Greek asaron, name of an unknown plant]

     Information From

    Aristolochiaceae
    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).