Lythrum salicaria L.
  • Sp. Pl.
  • Purple loosestrife

Cite taxon page as 'WFO (2021): Lythrum salicaria L. Published on the Internet; Accessed on: 18 Sep 2021'

General Information

Perennial herbs or subshrubs, 0.3-1.5 m tall, scabrous or sparsely to densely gray pubescent [or tomentose], sometimes somewhat glabrescent. Stem erect, 4-angled. Leaves opposite or 3-whorled, sometimes alternate toward stem apex, ovate-lanceolate to broadly lanceolate, 2.5-10 × 0.5-1.5 cm, base rounded, truncate, or semiclasping, apex acute to subobtuse. Inflorescences terminal, spicate, 15-35 cm; bracts broadly lanceolate or deltoid-ovate. Flowers in 1- to multi-flowered whorled axillary cymes, shortly pedicellate. Floral tube 5-8 × 1.5-2 mm, 12-ribbed; sepals deltate, 0.5-1 mm; epicalyx segments erect, linear, 1.5-2 mm, much longer than sepals. Petals reddish purple to rose-purple, lanceolate-oblanceolate, 7-10 × 1.5-3 mm. Fl. Jul-Sep, fr. Oct. 2n = 30, 50, 58, 60.

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

    "Stout, erect perennial herb 5–15 dm, glabrous or more often pubescent or, especially upwards, even subtomentose; lvs opposite or ternate, sessile, lanceolate to nearly linear, 3–10 cm, the larger ones cordulate at base; spikes 1–4 dm, interspersed with foliaceous, lanceolate to ovate bracts; fls trimorphic as to the style and stamens; appendages of the hypanthium linear, fully twice as long as the sep; pet red-purple, 7–12 mm; stamens mostly 12, alternately longer and shorter; disk wanting; 2n=30, 50, 60. Native of Eurasia; in wet places from Nf. and Que. to N.D., s. to Va., Mo., and Kans., and occasionally w. to the Pacific. July–Sept."

  • Provided by: [H].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Perennial, 40-70 cm tall. Leaves ovate-lanceolate, elliptic or lanceolate, acute to acuminate, base cordate-amplexicaul, 6-60 mm long, 2.5-15 mm broad. Spikes 9-45 cm long. Pedicels 1-2 mm. Hypanthium 12-ribbed. Epicalyx longer than or equalling the calyx. Petals 5.5-8.5 mm long, 2-3 mm broad, obovate-spathulate or obovate-oblanceolate. Ovary subsessile, 2-5 mm long, 0.75-1.5 mm broad. Capsule 4 mm long, 1.5 mm broad, narrowed. Seeds obovate, tip ±membranous.

  • Provided by: [B].Flora of Pakistan
    • Source: [
    • 4
    • ]. 


    30–120 cm hoch, oft verzweigt. Blätter lanzettlich, sitzend, am Grund gerundet oder ausgerandet, gegenständig oder zu 3 quirlständig, die obersten wechselständig. Mittlere Stängelblätter am grössten, bis 10 cm lang. Blüten lebhaft rosa, ca.

  • Provided by: [A].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 3
    • ]. 


    7–8. Feuchte Wiesen, Flachmoore, Gräben, kollin-montan. CH.

  • Provided by: [A].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 3
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    Purple loosestrifeEnglishIE

    Other Local Names

    Earball cuitínIrishIE
    Eireball caitínIrishIE
    Brian breághIrishIE
    Bealán léanaIrishIE
    Lus na síothchánaIrishIE
    Brian breáIrishIE
    Salcerella comuneItalianCH
    Litra cuminaRaeto-RomanceCH
    Salicaire communeFrenchCH
    Brian brawEnglishIE
    Earbail caitínIrishIE
    Cró lusIrishIE


     Information From

    Flora Helvetica – Illustrierte Flora der Schweiz
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • A All Rights Reserved
    Flora of Pakistan
    Flora of Pakistan. Missouri Botanical Garden. Accessed on Jun. 2020.
    • B Missouri Botanical Garden
    Flora Of CHina @
    'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Missouri Botanical Garden
    Irish Vernacular Names
    • D All Rights Reserved
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • E All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • F See IUCN Terms and conditions of use
    World Flora Online Data. 2017.
    • G 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.
    • H Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    World Flora Online Data. 2018.
    • I CC0 1.0 Universal (CC0 1.0).