Health benefits of Goutweed

Aegopodium podagraria, commonly called bishop’s weed or goutweed is one of the most popular ground covers for quickly covering large areas belonging to carrot family (Apiaceae ⁄ Umbelliferae). The plant is native to Europe, Asia Minor, and Central Asia, but its native range is unclear. It has been introduced to North America, Australia, New Zealand, and Japan as an ornamental. Ground Elder, Bishop’s goutweed, Goutweed, Ground Elder, Bishop’s Weed, Jack-jump-about, Herb Gerard, Ashweed, Achweed, English Masterwort, Wild Masterwort, Pigweed, Eltroot, Bishop’s Elder, Weyl Ash, White Ash, Bishopswort, Ground Ash, gout wort and snow-in-the-mountain are some of the popular common names of the plant.

Genus name Aegopodium comes from the Greek words aix meaning “goat” and podion meaning “a little foot”, in reference to the leaf shape. The specific epithet podagraria means “snare of gout”, in reference to its traditional use as a treatment for gout. Common name is in reference to a former use of the plant in the treatment of gout. It is also commonly called Bishop’s weed in reference to the purported resemblance of the leaflet shape to that of a bishop’s miter. The name ground elder comes from the superficial similarity of its leaves and flowers to those of elder (Sambucus), which is unrelated. It is the type species of the genus Aegopodium. This species has been introduced around the world as an ornamental plant, where it occasionally poses an ecological threat as an invasive exotic plant. In folk medicine, mainly the leaves of goutweed were used to treat gout, inflammatory states in kidneys and bladder and to facilitate wound healing.

Goutweed Facts

Plant Description

Goutweed is a creeping, herbaceous perennial plant that normally grows from 4 to 12 inches (10-30 cm) tall, but it may grow to as tall as about 3 feet (1 m). The plant is found growing in hedgerows, cultivated land, grasslands, forests, gardens, logged areas, abandoned fields, pastures, roadsides, disturbed areas, woodland edges, churchyards, parks, flower beds, graveyards, shaded ravines, cemeteries and waste areas. The plant is easily grown in average, dry to medium, well-drained soils in sun or shade. The plant has extensive root system that includes a main root and lateral roots. Stem is short, hollow, with longitudinal grooves and rims, glabrous or covered with short-branched hairs. It contain only one set of leaves until the flower stem appears.

Leaves

Stalks are light green and glabrous. The basal and lower leaves are bipinnate with 6-9 leaflets, while the upper leaves are pinnate with 3 leaflets. When the leaves are bipinnate, they are ternately divided into 3 groups of leaflets (2 lateral groups & a terminal group); each group has 2-3 leaflets. The leaflets of basal and lower leaves are 2-3 inches long and 1¼-2 inches across. They are medium to dark green, more or less ovate in shape, serrate or doubly serrate along their margins, and hairless or nearly so. Some leaflets may be deeply cleft into two lobes. The leaflets of upper leaves are smaller in size and narrower in shape (lanceolate or oblong-lanceolate); otherwise they are similar to the leaflets of the preceding leaves. The petioles of basal and lower leaves are 4-12 inches long, while the petioles of upper leaves are less than 4 inches long. These petioles are light green and hairless. The petioles of alternate leaves are sheathed at their bases. The petiolule of the terminal group of leaflets is 2-3 inches long, while the petiolules of the lateral groups of leaflets are about 1 inch long. In each group of leaflets, the lateral leaflets are sessile or nearly so, while the terminal leaflet has a secondary basal stalklet that is nearly sessile to 1 inch long.

Flower

The stalks terminate in compound umbels of flowers about 1½-3½ inches across that are flat-topped. Each compound umbel is divided into 10-20 umbellets, while each umbellet is divided into 10-25 flowers. The compound umbels lack floral bracts and the umbellets lack floral bractlets. Individual flowers are about 1/8 inches (3 mm.) across, consisting of 5 white petals with incurved tips and an inferior ovary with a pair of styles. The peduncles of the compound umbels are 3-6 inches long, light green, glabrous, angular, and grooved. The pedicels of individual flowers are about ¼ inches in length, light green, and glabrous. The blooming period occurs from late spring to mid-summer, lasting about 1 month.

Fruit

The flowers are replaced by ovoid-oblongoid fruits that are ridged and somewhat flattened. They are about 0.12-0.16 in. (3-4 mm) long and release their seeds at maturity during the autumn. Seeds are small and slightly lengthened about 3 to 4 mm long, similar in size and shape to carrot seeds, and ripen in late summer.

Health Benefits of Goutweed

Goutweed has been used for curing numerous diseases in humans and animals, and it is used in Ayurvedic and Unani medical systems. Ayurvedic use of Goutweed includes treatment of atrophy, cachexia, spasms, and rheumatism.

1. Prevents Infective Diseases

Patients identified with fever and lung ailments, including bronchitis, the common cold, cough, consumption, and emphysema have also benefited from treatment with Goutweed.

2. Prevent Breathing problem

One should apply a paste of crushed fruit to treat asthma to the chest. The paste is also used for colic. In the Unani system, Bishop’s weed is used to enhance the body’s immune system.

3. Cures problem related to stomach

This may help treat several GI disorders, including diarrhea, gastritis, atonic dyspepsia, cholera, flatulence, and indigestion.

4. To treat diseases related to skin

The plant consists of methoxsalen, a compound used in the treatment of such skin conditions as psoriasis, tinea versicolor, and vitiligo. Methoxsalen is classified as a psoralen, a type of compound that increases the skin’s sensitivity to ultraviolet light. When taken orally or applied directly to the skin, methoxsalen is known to alter skin cells in a way that promotes the production of melanin or a natural substance that gives color to the skin to response to ultraviolet light exposure.

Traditional uses and benefits of Goutweed

• Ground Elder has a long history of medicinal use and was cultivated as a food crop and medicinal herb in the Middle Ages.
• Plant was used mainly as a food that could counteract gout, one of the effects of the rich foods eaten by monks, bishops etc. at this time.
• The plant is little used in modern herbalism.
• All parts of the plant are anti-rheumatic, diuretic, sedative and vulnerary.
• An infusion is used in the treatment of rheumatism, arthritis and disorders of the bladder and intestines.
• Externally, it is used as a poultice on burns, stings, wounds, painful joints etc.
• Plant is harvested when it is in flower in late spring to mid-summer and can be used fresh or be dried for later use.
• Homeopathic remedy is made from the flowering plant.
• It is used internally for aches in the joints, gouty and sciatic pains, and externally as a fomentation for inflamed parts.
• Roots and leaves boiled together, applied to the hip, and occasionally renewed, have a wonderful effect in some cases of sciatica.
• It also had a history as a medicinal herb to treat gout and arthritis, applied in hot wraps externally upon boiling both leaves and roots together.
• Ingested, the leaves have a diuretic effect and act as a mild sedative.
• This herb has been used to treat kidney, intestinal and bladder disorders, but more research still needs to be done.
• When used externally as a thick paste, goutweed can help heal gout, painful joints, sciatica, arthritis, hemorrhoids, wounds, burns and insect bites.
• Tea from dried leaves is a medicine recommended for the treatment of gout, hemorrhoids, inflammatory states of kidneys and bladder, auxiliary in nephrolithiasis and to improve metabolism.
• Fresh leaves administered on a wound facilitated quicker healing.
• It was used in the treatment of pains and sores in the past.
• Also for treating wounds or burns, a poultice of its leaves are applied.
• In the past by boiling the roots and leaves of the plant together, hot wraps were used for treating pains in bone-joints.
• The leaves can be used as well for mild sedative effects.

Culinary Uses

• Leaves can be consumed raw or cooked.
• The leaves are best harvested before the plant comes into flower, they can be used in salads, soups, or cooked as a vegetable.
• Tender leaves have been used in antiquity and throughout the Middle Ages as a spring leaf vegetable, much as spinach was used.
• It is commonly used for soup.
• Young leaves are preferred as a pot herb.
• Before flowers bloom, young leaves are plucked and used in the making of Goutweed soup with vegetables and onions.
• It can be made into a filling for empanadas.
• Fresh leafy greens can be made into delicious vegetarian dishes apart from salads.
• Young translucent leaves are best for salads and the slightly older leaves can be cooked like spinach.
• It can be used in salads, omelets, pesto, pizza, savory pies etc.
• Ground elder is particularly suitable in foods with basil, goat cheese and halloumi.

Other Different Uses

• Used in Spice

It has been used as a spice and as a preservative. It is used as a commercial product in the food and flavoring industries. The fruits are used to flavor curries, pickles, biscuits, confections, and beverages. The fruit has stimulant, antispasmodic, and carminative properties.

• For Cosmetic Uses

The plant has been made into solutions, ointments, lotions, powders, and deodorants. The plant is used in soaps and perfumes and has several applications in aromatherapy dating to ancient times. It is also used as a mouthwash, gargle, or toothpaste preparation in dentistry. Bishop’s weed has been used as an insecticide and anthelmintic.

Other Facts

• This species makes a good ground-cover for semi-wild situations.
• Since the leaves contain essential oils, they were previously used for wrapping vegetables for keeping them fresh.
• They can be effective in controlling soil erosion.
• It can be of immense use in gardens providing ground cover, growing below trees and shrubs.
• Leaves of this plant can be useful for grey dagger, dot moth and other Lepidoptera species to lay eggs, which later becomes the foraging plant.
• Not only European monks, Tibetan as well as Chinese monks too used this plant to heal physical ailments.

Precautions

• There’s some concern that bishop’s weed may trigger such side effects as headache, nausea, and vomiting.
• Since bishop’s weed changes the way your skin cells react to exposure to ultraviolet light, bishop’s weed may increase sensitivity to the sun and, in turn, raise your risk of skin cancer.
• Bishop’s weed may cause liver conditions to worsen, as well as inhibit blood clotting. People who are taking medications changed by the liver should use caution when taking the bishop’s weed.
• One should not use it with drugs that cause photosensitivity, including Elavil, (amitriptyline), Cipro (ciprofloxacin), Noroxin (norfloxacin), Maxaquin (lomefloxacin), Floxin (ofloxacin), Levaquin (levofloxacin), and tetracycline, among others.
• Avoid during pregnancy and it may also cause congenital defects.

Management Methods 

Manual or Mechanical Control

Pulling / Digging Up

Hand pulling or digging young plants is effective, if time consuming. Care must be taken to remove all rhizomes, otherwise, re-sprouting will occur.

Mowing

Cutting at leaf out has been shown to decrease this species’ capacity for vegetative growth and spread. It is even more effective if performed repeatedly throughout the growing season in order to sap the plant’s starch reserves. Utmost care must be taken to complete control before the formation of fruit so as not to spread any viable seeds.

Soil Tilling

Tilling is not a recommended method of control as goutweed often colonizes fragile, moist soils vulnerable to erosion and will re-sprout from root fragments.

Mulching

Mulching can be a useful strategy in combination with other methods of management for small populations, such as hand pulling or cutting.

Chemical Control

The pesticide application rates and usage herein are recommendations based on research and interviews with land managers.  When considering the use of pesticides, it is your responsibility to fully understand the laws, regulations and best practices required to apply pesticides in a responsible manner.  At times, the pest you seek to treat may not be on a pesticide label, requiring a 2ee exemption from NYSDEC.  Always thoroughly read the label of any pesticide and consult the NYSDEC or a licensed pesticide applicator with questions.

Foliar Spray

A 2-10% solution of glyphosate will brown goutweed’s leaves but not kill the entire plant. Repeat application will be necessary in several weeks. Always read and follow all instructions on the herbicide label.

References:

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=29567#null

https://pfaf.org/User/plant.aspx?LatinName=Aegopodium+podagraria

https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=243464&isprofile=0&

https://www.botanical.com/botanical/mgmh/g/goutwe32.html

https://accs.uaa.alaska.edu/wp-content/uploads/Aegopodium_podagraria_BIO_AEPO.pdf

https://www.discoverlife.org/mp/20q?search=Aegopodium+podagraria&flags=col1:&res=640

https://www.cabi.org/isc/datasheet/3350

https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=102037

https://www.wikidata.org/wiki/Q217778

https://en.wikipedia.org/wiki/Aegopodium_podagraria

http://www.theplantlist.org/tpl/record/kew-2623499

https://www.fs.fed.us/database/feis/plants/forb/aegpod/all.html

https://www.invasive.org/browse/subinfo.cfm?sub=11534

http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:5849-2

https://plants.usda.gov/core/profile?symbol=AEPO

https://www.nps.gov/orgs/1103/upload/FactSheet_BishopsGoutweed.pdf

https://gd.eppo.int/taxon/AEOPO

http://temperate.theferns.info/plant/Aegopodium+podagraria

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