Butcher’s broom

Kneeholly, kneeholm, kneehulver, Jew’s myrtle, sweet broom, pettigree; Ruscus aculeatus of Linnaeus; Culpeper’s Ruscus and Bruscus

Known today as
Ruscus aculeatus, a low, stiff evergreen of woods and waste places, especially in the south of England, which Grieve called the only shrub of the lily tribe in the country. What look like its leaves are flattened branches, “really a mere expansion of the stem,” each ending in a sharp spine; the small greenish-white flowers sit in the middle of them in early spring, male and female on separate plants, and the female plants carry scarlet berries “as large as cherries” through the winter. The rhizome is the part used now.
Kind
Plant, in 3 older authorities
Constituents
ruscogenin, neoruscogenin
Earliest authority here
Dioscorides (c. AD 40–90)
In other databases
Plants of the World Online · GBIF · Wikidata

Caution. Not for children and adolescents under eighteen, for want of data. The agency asks for a doctor before or during use if there is inflammation of the skin, hardening under it, ulcers, a sudden swelling of one or both legs, or heart or kidney failure, and for rectal bleeding.

Butcher’s broom: what was it used for?

A diuretic and opener for the old physicians. Culpeper calls it “a plant of Mars, being of a gallant cleansing and opening quality”: the root boiled in wine to open obstructions, provoke urine, and expel gravel and the stone, and with honey to clear the chest of phlegm; the decoction drunk, with a poultice of berries and leaves, to knit broken bones. His usual way was to boil the root with parsley, fennel, and smallage in white wine, “yet I hope you have wit enough to give the strongest decoction to the strongest bodies.” Grieve still found it used for jaundice and gravel.

Butcher’s broom: what does modern science say?

The European Medicines Agency’s herbal committee accepts the rhizome as a traditional herbal medicine, “exclusively based upon long-standing use,” for two purposes: to relieve discomfort and heaviness of the legs from minor disorders of the veins, and to relieve the itching and burning of haemorrhoids once a doctor has excluded anything serious (monograph of 2018). Its assessment report traces the plant’s chemistry to steroidal saponins first isolated from the rhizome in the middle of the twentieth century, built on ruscogenin and neoruscogenin, more concentrated below ground than above.

Pharmacognosy & Toxicology

Constituents
Mechanism
Not established in the sources read for this entry.
Standing
European Union herbal monograph (2018): traditional use, “exclusively based upon long-standing use,” for heavy legs from minor venous disorders and for the itching and burning of haemorrhoids.
  • European Medicines Agency, Committee on Herbal Medicinal Products. European Union herbal monograph on Rusci rhizoma (Butcher's Broom). EMA/HMPC/188804/2017, 20 November 2018. Read in full · the text read
  • European Medicines Agency, Committee on Herbal Medicinal Products. Assessment report on Rusci rhizoma. EMA/HMPC/188805/2017, 20 November 2018. Read in part · the text read

Constituent names open the compound’s record at PubChem, and “ChEMBL” beside a name opens its record at ChEMBL, the European Bioinformatics Institute’s database of bioactive molecules. Where a mechanism line was checked against ChEMBL (ChEMBL 37, read 1 October 2026), the check is shown with the measured value and its source paper, or says plainly that nothing has been measured. Doses are as the references give them, for description only; this is not medical advice. Each source carries the result of its check against Crossref, PubMed, or the authority’s page: see Verification.

Butcher’s broom: what lore surrounds it?

Butchers swept their blocks with bundles of it, and so the English name; in Italy, Folkard says, it was tied into besoms for houses, and hucksters set boughs of it round bacon and cheese to keep the mice off. It was sold to the Jews for the Feast of Tabernacles, whence Jew’s myrtle, and Folkard reports that the Earls of Sutherland claimed it as the badge of their clan. Its boughs, Grieve and Folkard both say, were used for flogging chilblains. A related species with unarmed branches, Ruscus racemosus, Grieve took to be the original of the ‘poets’ laurel’ of classical prints.

Butcher’s broom: what did the older authorities say?

Dioscorides
His myrsine agria, the wild myrtle, has a leaf like myrtle but broader and spear-pointed, a round fruit borne in the middle of the leaf and red when ripe, and willow-like branches many from one root. Leaves and berries in wine, he writes, induce urine, bring on the menses, and break stones in the bladder, and cure jaundice and headache; the young shoots are eaten like asparagus, though bitter. The chapter ends: “the Romans, ruscus.”
Nicholas Culpeper
The first shoots from the root are “thick, whitish, and short, somewhat like those of Asparagus, but greater,” and the plant grows in copses and on heaths, often near the holly bushes; the decoction of the root “opens obstructions, provokes urine, helps to expel gravel and the stone, the stranguary and women’s courses, also the yellow jaundice and the head-ache.”
John Parkinson, as Grieve quotes him
It kept ‘hanged meate’ from the mice, and made brooms, “but the King’s Chamber is by revolution of time turned to the Butcher’s stall, for that a bundle of the stalkes tied together serveth them to cleanse their stalls.”

Sources

  • Grieve, M. A Modern Herbal, “Broom, Butcher’s.” As published on botanical.com. Read in full · the text read
  • Culpeper, N. The Complete Herbal, “Butcher’s Broom.” Project Gutenberg, 49513. Read in part · the text read
  • Dioscorides. De materia medica, 4-146, in the modern English version of T. A. Osbaldeston and R. P. A. Wood (Johannesburg: Ibidis, 2000), after Goodyer’s translation of 1655. Internet Archive. Read in part · the text read
  • Folkard, R. (1884). Plant Lore, Legends, and Lyrics, “Butcher’s Broom.” Project Gutenberg, 44638. Read in part · the text read
  • European Medicines Agency, Committee on Herbal Medicinal Products. European Union herbal monograph on Rusci rhizoma (Butcher's Broom). EMA/HMPC/188804/2017, 20 November 2018. Read in full · the text read
  • European Medicines Agency, Committee on Herbal Medicinal Products. Assessment report on Rusci rhizoma. EMA/HMPC/188805/2017, 20 November 2018. Read in part · the text read

Verification

Checked
October 1, 2026
Passes
  • Every sentence read against its sources, in the pass over the remaining 343 entries
  • The Standing line checked against the authority it names (EMA, WHO, FDA, CITES, Commission E)
  • Every dated or regulatory claim checked by category across the database
Sources
6 cited: 2 read in full, 4 read in part.
Corrections
None were needed.

What was checked, how, and what was found is set out on the Verification page. A checked source is one whose record was found; it does not make the entry medical advice.

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Cite This Entry

Version 1 · first published October 16, 2026

Chicago

“Butcher’s broom.” In Materia Medica, edited by B. C. P. Statema. Version 1. The Thinking Press, 2026–. Last modified October 16, 2026. https://thethinkingpress.org/materia-medica/butcher-s-broom.

MLA

“Butcher’s broom.” Materia Medica, edited by B. C. P. Statema, version 1, The Thinking Press, 16 Oct. 2026, thethinkingpress.org/materia-medica/butcher-s-broom. Accessed 17 Oct. 2026.

APA

Butcher’s broom. (2026, October 16). In B. C. P. Statema (Ed.), Materia medica (Version 1). The Thinking Press. Retrieved October 17, 2026, from https://thethinkingpress.org/materia-medica/butcher-s-broom

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See Also

Drawing on the same sources: Grieve, Culpeper, Folkard

Butterbur · Caper spurge · Cassia wood · Borage · Cassia, flower of · the bibliography →

Nearby in the alphabet

Caesar’s mushroom (egg-like when young and seated in a white cup) · Bryony (Bryonia dioica (syn) · Brown roll-rim (of birch woods) · California poppy

Historical description, not medical advice.