Great Round-Leaved Dock, Or Bastard Rhubarb

Rumex alpinus

HRB-0251Entry “GREAT ROUND-LEAVED DOCK, OR BASTARD RHUBARB” in the 1850 textIn Culpeper’s 1652 first edition

Open in the Concordance

Old claims, quoted verbatim: not medical advice. A warning sits above the claims and never hides them; no warning does not mean safe, only that no source here has flagged the plant.

Substance of concernOxalates: kidney stones with large amounts.EFSA: Emodin, oxalic acid, physcionEFSA’s list of substances, not a danger rating. Checked 26 October 2026.

What it does, in Culpeper: Purge

Culpeper’s claims about it: 17, under 17 headings

  1. AguesCLM-000045
    It purges the body of choler and phlegm, being either taken of itself, made into powder, and drank in a draught of white wine, or steeped therein all night, and taken fasting, or put among other purges, as shall be thought convenient, cleansing the stomach, liver, and blood, opening obstructions, and helping those griefs that come thereof, as the jaundice, dropsy, swelling of the spleen, tertain and daily agues, and pricking pains of the sides;
    QUO-000045Papers and the EMA’s verdict, in the Concordance
  2. The roots of this Bastard Rhubarb are used in opening and purging diet-drinks, with other things, to open the liver, and to cleanse and cool the blood.
    QUO-000165Papers and the EMA’s verdict, in the Concordance
  3. Bloody FluxCLM-000240
    The seed thereof contrary doth bind the belly, and helps to stay any sort of lasks or bloody-flux.
    QUO-000206Papers and the EMA’s verdict, in the Concordance
  4. CrampCLM-000641
    It is also given for the pains and swellings in the head, for those that are troubled with melancholy, and helps the sciatica, gout, and the cramp.
    QUO-000516Papers and the EMA’s verdict, in the Concordance
  5. It helps them that are troubled with the stone, provokes urine, and helps the dimness of the sight.
    QUO-000525Papers and the EMA’s verdict, in the Concordance
  6. DropsyCLM-000695
    It purges the body of choler and phlegm, being either taken of itself, made into powder, and drank in a draught of white wine, or steeped therein all night, and taken fasting, or put among other purges, as shall be thought convenient, cleansing the stomach, liver, and blood, opening obstructions, and helping those griefs that come thereof, as the jaundice, dropsy, swelling of the spleen, tertain and daily agues, and pricking pains of the sides;
    QUO-000045Papers and the EMA’s verdict, in the Concordance
  7. InflammationsCLM-000952
    also foul ulcerous sores, and to allay the inflammation of them;
    QUO-000725Papers and the EMA’s verdict, in the Concordance
  8. JaundiceCLM-001045
    and being drank, heals the jaundice.
    QUO-000777Papers and the EMA’s verdict, in the Concordance
  9. King’s-evilCLM-001120
    The root thereof helps the ruggedness of the nails, and being boiled in wine helps the swelling of the throat, commonly called the king’s evil, as also the swellings of the kernels of the ears.
    QUO-000803Papers and the EMA’s verdict, in the Concordance
  10. LiverCLM-001220
    The roots of this Bastard Rhubarb are used in opening and purging diet-drinks, with other things, to open the liver, and to cleanse and cool the blood.
    QUO-000165Papers and the EMA’s verdict, in the Concordance
  11. MelancholyCLM-001325
    It is also given for the pains and swellings in the head, for those that are troubled with melancholy, and helps the sciatica, gout, and the cramp.
    QUO-000516Papers and the EMA’s verdict, in the Concordance
  12. PurgingCLM-001444
    The roots of this Bastard Rhubarb are used in opening and purging diet-drinks, with other things, to open the liver, and to cleanse and cool the blood.
    QUO-000165Papers and the EMA’s verdict, in the Concordance
  13. StomachCLM-001641
    The seed thereof taken, eases the gnawing and griping pains of the stomach, and takes away the loathing thereof unto meat.
    QUO-001077Papers and the EMA’s verdict, in the Concordance
  14. StoneCLM-001739
    It helps them that are troubled with the stone, provokes urine, and helps the dimness of the sight.
    QUO-000525Papers and the EMA’s verdict, in the Concordance
  15. SwellingsCLM-001831
    The root thereof helps the ruggedness of the nails, and being boiled in wine helps the swelling of the throat, commonly called the king’s evil, as also the swellings of the kernels of the ears.
    QUO-000803Papers and the EMA’s verdict, in the Concordance
  16. Tooth-acheCLM-001861
    gargled in the mouth, takes away the tooth ache;
    QUO-001187Papers and the EMA’s verdict, in the Concordance
  17. UlcersCLM-001994
    It is used to heal those ulcers that happen in the eyes or eyelids, being steeped and strained;
    QUO-001257Papers and the EMA’s verdict, in the Concordance

Source

Nicholas Culpeper, The Complete Herbal, a new edition (London: Thomas Kelly, 1850). Project Gutenberg eBook #49513. SRC-CUL-1850

Quotations are verbatim from the 1850 text, line breaks joined. Modern research and the European regulator’s verdict on each claim are on the Concordance page, kept apart from this historical record.