Lithospermum officinale L.
  • Sp. Pl.


This taxon is accepted by Boraginaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

Herbs perennial; most parts short strigose. Roots containing little purple dye when young. Stems usually single, erect, to 1 m tall, frequently much branched at apex. Leaves sessile, lanceolate to ovate-lanceolate, 3-8 × 0.5-1.5 cm, base cuneate to attenuate, apex short acuminate; veins prominent abaxially, more densely strigose along veins. Inflorescences on upper stems and branches, to 15 cm in fruit; bracts similar to leaves but smaller. Calyx lobes linear, ca. 5-7 mm in fruit. Corolla white or pale yellow, 4-6 mm; tube ca. 2 × as long as limb; throat with 5 trapeziform, densely short pubescent appendages ca. 0.4 mm; lobes of limb erect, oblong-ovate, ca. 1.5 mm, margin undulate. Stamens inserted at middle of corolla tube; filaments ca. 0.4 mm; anthers ca. 1.2 mm. Stigma capitate. Nutlets white or yellowish brown, ovoid, ca. 3 mm, smooth, shiny, concave adaxially with center line forming a longitudinal groove. Fl. and fr. Jun-Aug. 2n = 28, 56.

"Erect, usually much branched perennial to 1 m, the principal internodes usually less than 2 cm; lvs subsessile, lanceolate to oblong or oblanceolate, 6–15(–20) mm wide, gradually acute, with 2 or 3 conspicuous lateral veins on each side; fls solitary in the crowded upper axils, 3–15 mm apart at maturity, white or nearly so, 4–5 mm; cal-lobes nearly as long as the cor; nutlets ovoid, 3–3.5 mm, white to pale brown, shining, smooth or sparsely pitted; 2n=28. Native of Eurasia, intr. as a weed of waste places from Que. to Minn., s. to N.J. and Ill. May–Aug."

  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
World Flora Online consortium
http://www.worldfloraonline.org/organisation/WFO
World Flora Online Data. 2018.
  • D CC0 1.0 Universal (CC0 1.0).