Armoracia rusticana P.Gaertn., B.Mey. & Scherb.
  • Oekon. Fl. Wetterau
  • Horse-radish


Cite taxon page as 'WFO (2021): Armoracia rusticana P.Gaertn., B.Mey. & Scherb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000549445. Accessed on: 26 Sep 2021'

General Information

Herbs with fusiform or cylindric, fleshy or woody roots. Stems 50-120(-200) cm tall. Basal leaves few; petiole to 60 cm, broadly expanded at base; leaf blade broadly oblong, oblong-lanceolate, or ovate, (10-)20-45(-60) × (3-)5-12(-17) cm, coarsely crenate or rarely pinnatifid. Lower and middle cauline leaves shortly petiolate, pinnatifid or pinnatisect, with oblong to linear-oblong lobes, smaller than basal leaves; upper cauline leaves sessile or shortly petiolate, linear to linear-lanceolate, base cuneate or attenuate, margin serrate, crenate, or rarely entire. Fruiting pedicels ascending, slender, 0.8-2 cm. Sepals ovate, 2-4 mm. Petals obovate or oblanceolate, 5-7(-8) mm; claw to 1.5 mm. Filaments 1-2.5 mm; anthers ovate, 0.5-0.8 mm. Ovules 8-12 per ovary. Mature fruit rarely produced, ovate, oblong, or suborbicular, 4-6 mm, few seeded; style obsolete or to 0.5 mm; stigma capitate, well developed. Seeds not seen. Fl. May-Jul. 2n = 32.

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

    Roots fusiform or cylindrical, fleshy or woody. Stems 5-12 (-20) dm. Basal leaves: petiole to 60 cm (broadly expanded basally); blade broadly oblong, oblong-lanceolate, or ovate, (10-)20-45(-60) cm × (30-)50-120(-170) mm, margins usually coarsely crenate, rarely pinnatifid. Cauline leaves: proximal shortly petiolate, blade oblong to linear-oblong (lobed), smaller than basal, margins pinnatifid or pinnatisect; distal sessile or shortly petiolate, blade linear to linear-lanceolate, base cuneate or attenuate, margins usually serrate or crenate, rarely entire. Racemes to 40 cm. Fruiting pedicels ascending, 8-20 mm. Flowers: sepals 2-4 mm; petals obovate or oblanceolate, 5-7 (-8) mm, claw to 1.5 mm; filaments 1-2.5 mm; anthers 0.5-0.8 mm. Fruits (rarely produced), 4-6 mm; style obsolete or to 0.5 mm; stigma well-developed. Seeds compressed (often not produced, rarely to 4 per locule). 2n = 32.

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

    "Erect perennial to 1 m from thick roots; lower lvs long-petioled, the blade oblong, 1–3 dm, cordate at base; upper lvs smaller, short-petioled to sessile, lanceolate; racemes several, terminal and from the upper axils; pet 6–8 mm; mature pedicels ascending, 8–12 mm; frs obovoid, bilocular, to 6 mm, or falling early; style 0.3 mm, with broad, persistent stigma; seeds rarely maturing; 2n=32. Native of se. Europe and w. Asia; commonly cult. and widely escaped into moist soil. May–July. (A. armoracia; A. lapathifolia; Radicula armoracia)"

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

    "Sep ascending, elliptic to obovate; pet white, obovate, gradually narrowed to the claw; short stamens subtended by a U - shaped gland; long stamens subtended by a small conic gland; anthers linear-oblong; ovary ovoid to ellipsoid; ovules numerous; style slender, stigma large, capitate; frs inflated, obovoid or ellipsoid, tipped with the slender style and conspicuous stigma; valves with an inconspicuous midnerve, otherwise nerveless; glabrous herbs. 4, Europe to Siberia."

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

    Distribution Map

     
    • Introduced distribution
    Introduced into
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    NameLanguageCountry
    Horse-radishEnglishIE
    Meacan ragaimIrishIE

    Other Local Names

    NameLanguageCountry
    RácadalIrishIE
    Uisce beatha na mbrátharIrishIE
    Meacan ruguimIrishIE
    Meacan eachIrishIE
    ReagamIrishIE
    Raidis fhiadhainIrishIE

     Information From

    Brassicaceae
    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
    Irish Vernacular Names
    https://www.missouribotanicalgarden.org/plant-science/plant-science/research-staff/article/380/wyse-jackson-peter-s.aspx
    • E All Rights Reserved
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • G All Rights Reserved
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • H See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use