Linum usitatissimum L.
  • Sp. Pl.
  • Common flax, lin cultivé


Cite taxon page as 'WFO (2020): Linum usitatissimum L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000366385. Accessed on: 14 Aug 2020'

General Information

Annuals 30-120 cm tall. Stems simple, cylindric, erect, woody at base, apically corymbosely branched. Leaves alternate, linear, linear-lanceolate, or lanceolate, 2-4 cm × 1-5 mm, 3(or 5)-veined from base, base attenuate, apex acute. Flowers axillary, solitary or in broad cymes, 15-20 mm in diam. Pedicel 1-3 cm, erect. Sepals ovate to ovate-lanceolate, 5-8 mm, 3(or 5)-veined from base, nonglandular, margin entire or ciliate, apex acute to acuminate. Petals blue, rarely white or red, obovate, 0.8-1.2 cm. Styles distinct; stigma linear-clavate. Capsule globose, 6-9 mm in diam., septicidal, with 10 seeds. Seeds brown, oblong, flattened, 3.5-4 mm. Fl. Jun-Aug, fr. Jul-Oct. 2n = 30.

  • Provided by: [E].Flora Of CHina @ efloras.org
    • Source: [
    • 5
    • ]. 

    Herbs, annual, 20–100 cm, glabrous or glabrate throughout. Stems erect, unbranched or few-branched at base (all flowering). Leaves divergent; blade linear to linear-lanceolate, 10–40 × 1.5–5 mm. Inflorescences open panicles. Pedicels erect in fruit, to 20–25 mm. Flowers homostylous; sepals ovate, 6–9 mm, margins of inner sepals minutely ciliate, outer ciliate, apex acuminate; petals usually blue, rarely white, obovate, 10–15 mm; stamens 5–7 mm; anthers 1–1.5 mm; staminodia present; styles distinct or connate at base, 3–6 mm; stigmas linear or clavate. Capsules ovoid to subglobose, 6–10 × 5–10 mm, apex rounded, dehiscing incompletely, segments falling freely, margins ciliate or not. Seeds 4–6 × 2.5–3 mm. 2n = 30.

  • Provided by: [H].Flora of North America @ efloras.org
    • Source: [
    • 6
    • ]. 

    Linum usitatissimum L., Sp. Pl. 277. 1753.

    Hierbas anuales, 20–80 cm de alto. Hojas alternas, lineares a linear-lanceoladas, 1–3 cm de largo y 1–2 mm de ancho. Inflorescencia una cima escorpioide, 5–15 cm de largo; sépalos elípticos a ovados, 7–9 mm de largo, 3-nervios, no glandulares; pétalos 1–1.5 cm de largo, azules o blancos. Cápsula 6–8 mm de largo y 5–15 mm de diámetro; semillas aplanadas, 3–4 mm de largo, aceitosas, cafés.

    Localmente común, en áreas ruderales, zona norcentral; sobre 1200 m; fl y fr mar–jul; Moreno 9607, 16732; cosmopolita en regiones templadas y montañas tropicales y naturalizada en las regiones frías. Se cultiva por sus semillas de las cuales se extrae el aceite de linaza y por sus fibras. "Lino".

  • Provided by: [I].Flora de Nicaragua
    • Source: [
    • 7
    • ]. 

    Planta anual, 20 – 90(–120) cm. Hojas 0.6 – 3.5 cm, lineares a lanceoladas, los nervios laterales conspicuos desde la base. Infl. distal, un corimbo o una panícula. Fls. con los sépalos 5.5 –10 mm; pétalos blancos o (más frecuente) azules, 10 –15 mm. Frs. 6 –10 mm; semillas 3.5 – 4.5 mm.

  • Provided by: [F].Manual de Plantas de Costa Rica
    • Source: [
    • 8
    • ]. 

    "Annual; stems 1–several, erect, to 1 m; lvs lance-linear, 3-nerved, 1.5–3.5 cm; sep 7–9 at maturity, the inner minutely ciliate on the scarious margin; pet blue, 10–15 mm; staminodes minute, tooth-like; stigmas linear-clavate; fr 6–10 mm, subglobose and abruptly short-beaked, tending to be only tardily and incompletely dehiscent, the mericarps acuminate; false septa very incomplete, long-ciliate; 2n=30. European cultigen, often escaped or adventive in fields and roadsides in U.S. and s. Can. Summer. (L. humile)"

  • Provided by: [G].New York Botanical Garden
    • Source: [
    • 9
    • ]. 

    Morphology

    Stem terete, faintly longitudinally ridged.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Leaves sessile, alternate, linear-lanceolate, 30–60 mm. long, glabrous.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Sepals 5, ovate-acuminate, about 5 × 2.5 mm. in flower, enlarging to about 7×4 mm. in fruit, with papery translucent entire margin; main vein prominent only in basal half of sepal.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Annual herb, sometimes woody at base, up to 60–65 cm. high.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Petals 5, free, obovate, 8 × 3.5 mm., narrowing to a clawed base, blue or white.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Stamens 5.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Ovary 5-locular.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Capsule 10-valved, globose, 8–10 mm. in diameter, exceeding calyx in length, honey-brown.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Seeds shining, light brown, ± 5 mm. long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Inflorescence a corymbose cyme; pedicels 20–30 mm. long.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 4
    • ]. 

    Other Local Names

    NameLanguageCountry
    Common flax, lin cultivé

     Information From

    Linaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    • C Missouri Botanical Garden
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • D
    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.
    • E Missouri Botanical Garden
    Manual de Plantas de Costa Rica
    http://www.tropicos.org/Project/Costa%20Rica
    Hammel, B. E.; Grayum, M. H.; Herrera, C.; Zamora, N. Manual de Plantas de Costa Rica. Missouri Botanical Garden Press, 2003-2014
    • F 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.
    • G 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.
    • H Flora of North America Association
    Flora de Nicaragua
    http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
    WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
    • I Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • J CC0 1.0 Universal (CC0 1.0).