Bishop's Weed

Botanical Overview

Bishop’s Weed (Ammi majus) belongs to the Apiaceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. The carrot family (Apiaceae) includes herbs with hollow stems, alternate leaves, and distinctive umbrella-shaped flower clusters called umbels. Many species have aromatic roots and seeds used as culinary spices and medicines. The family includes both nutritious vegetables and highly toxic species.

General Description

, is a member of the carrot family Apiaceae. The plant, which has white lace-like flower clusters, has a large distribution through Southern Europe, North Africa and West and Central Asia, though it is hypothesized to be native to the Nile River Valley.

ⓘ Information
Description adapted from Wikipedia (CC BY-SA 4.0).

Family Context

The Apiaceae family is widely distributed in temperate regions. Notable medicinal members include:

Geographic Distribution

Bishop’s Weed has been recorded in 10 countries and territories worldwide, including Australia, Belgium, Switzerland, Spain, France, and others.

Traditional Uses

Bishop’s Weed has been traditionally used for digestive health, urinary tract health, and metabolic and nutritional health.

Digestive health.

  • Carminative
  • Stomachic

For digestive complaints, the herb is typically prepared as a tea or decoction taken before meals. The bitter compounds stimulate digestive secretions and improve nutrient absorption. Some traditions use the powdered root or leaves in small doses as a stomachic tonic.

Urinary tract health.

  • Diuretic

Urinary tract applications typically involve drinking the herb as a mild tea, which increases urine production and helps flush the urinary system. It may be combined with other demulcent herbs to soothe irritated tissues.

Metabolic and nutritional health.

  • Tonic

Metabolic applications include consuming the plant as a food, fresh juice, or herbal infusion. Regular use supports the body’s natural metabolic processes and nutritional status.

Active Compounds

Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).

The identified compounds include the following categories:

  • Coumarin: aromatic compounds with anticoagulant and anti-inflammatory effects
ⓘ Information
Information on this page is compiled from Dr. Duke’s Phytochemical and Ethnobotanical Databases (USDA ARS), a public domain resource. Consult a healthcare professional before using any herbal preparation.
⚠ Caution
Traditional records: This plant has documented uses including Poison. Self-medication with herbs carries risks including allergic reactions, drug interactions, and toxicity. Only use under the supervision of a qualified healthcare professional.

Distribution and Conservation

Reported distribution: Australia, Belgium, Switzerland, Spain, France, United Kingdom, Israel, Netherlands, Portugal, United States.

Complete Use Records

CategoryCultural Context
DiureticElsewhere, French, Spanish
CarminativeElsewhere, Italian
TonicDutch, Elsewhere
Angina PectorisElsewhere
DigestiveDutch
LeucodermaIraq
PoisonIraq
Tumor(Uvula)Europe
Bronchial-AsthmaElsewhere
StomachicElsewhere

Complete Chemical Inventory

CompoundFormulaMW
5-HYDROXYMARMESINC₁₄H₁₄O₅262.26 Da
5-METHOXY-PSORALENC₁₂H₈O₄216.19 Da
5-[2-(3-METHYLBUTYROXY)-3-HYDROXY-3-METHYLBUTOXY]-PS.
5-[2-(ACETOXY)-3-HYDROXY-3-METHYLBUTOXY]-PSORALEN
8-METHOXY-PSORALEN
8-[2-(3-METHYLBUTYROXY)-3-HYDROXY-3-METHYLBUTOXY]-PS.
ALLOIMPERATORINC₁₆H₁₄O₄270.28 Da
AMMAJINC₂₀H₂₄O₉408.4 Da
AMMIDINC₁₆H₁₄O₄270.28 Da
AMMIFURINC₂₅H₁₈O₉462.4 Da
AMMIRIN
AMMOIDINC₁₂H₈O₄216.19 Da
ANGALCIN
ANGELICINC₁₁H₆O₃186.16 Da
ANGENOMALINC₁₄H₁₂O₃228.24 Da
BERGAPTENC₁₂H₈O₄216.19 Da
CALCIUM-OXALATEC₂CaO₄128.10 Da
CAMESOL
CAMPESELOL
CAMPESENINC₂₀H₂₄O₁₀424.4 Da
CAMPESIN
CELLULOSE
COUMARINIC-ACIDC₉H₈O₃164.16 Da
DELTOINC₁₉H₂₀O₅328.4 Da
DIHYDROOROSELSELONE
DL-PIPERITONEC₁₀H₁₆O152.23 Da
EO(ASS.)
FATC₁₆H₃₂O₂256.42 Da
FURANOCHROMONEC₁₁H₆O₃186.16 Da
FURANOCOUMARIN

Data from PubChem (NIH/NLM, public domain).


References & Further Reading

External Research Links

Data Sources