Lithospermum arvense L.
  • Sp. Pl.


Cite taxon page as 'WFO (2020): Lithospermum arvense L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000362186. Accessed on: 19 Sep 2020'

General Information

Herbs annual. Roots with purple dye. Stems usually single, branched from base or only above, 15-30 cm tall, short strigose. Leaf blade oblanceolate to linear, 2-4 cm × 3-7 mm, short strigose, apex acute. Cymes terminal, to 10 cm; bracts same shape as leaves but smaller. Flowers sparse, short pedicellate. Calyx lobes usually erect, linear, 4-5.5 mm, to 1.1 cm in fruit, short strigose on both sides, base becoming slightly hardened. Corolla white, sometimes blue or light blue, salverform; tube ca. 4 mm, sparsely pubescent outside; throat with 5 bands of hair extending to tube; limb ca. 1/2 as long as tube; lobes somewhat unequal, erect to slightly spreading, ovate or oblong, ca. 1.5 mm. Stamens attached below middle of tube; anthers oblong, ca. 1 mm. Style 1.5-2 mm; stigma capitate. Nutlets gray-brown, triangular-ovoid, ca. 3 mm, finely tuberculate. Fl. and fr. Apr-Aug. 2n = 14, 28, 36, 42.

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

    "Strigose annual 1–8 dm, often branched at the base; lvs mostly linear to narrowly oblanceolate, 3–8(–15) mm wide, acute or obtuse, 1-nerved; fls solitary in the crowded upper axils, becoming remote, whitish or bluish-white, 5–8 mm, 2–4 mm wide; cal-lobes nearly as long as the cor; nutlets ovoid, pale dull brown, 3 mm, deeply wrinkled and pitted; 2n=28. Native of Eurasia, intr. as a weed of waste places over most of the U.S. Apr.–July. (Buglossoides a.)"

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

      Bibliography

     Information From

    Boraginaceae
    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