Bogbean, Menyanthes trifoliate, Moon flower, buckbean, Water Trefoil, Marsh Clover

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Article Summary

Bogbean scientifically known as Menyanthes trifoliate belongs to the plant family Menyanthaceae. Other common names of Bogbean are Moon flower, buckbean, marsh trefoil, Water Trefoil, Marsh Clover, bean trefoil, bitterworm, bog nut, scarfano, vattenklover, bukkeblad, Horblaoka, treefold, bitterklee, bog Hop, Boonan, Raate, Sumpfflee, bitter trefoil, brook bean and water Shamrock. This rhizomatous emergent aquatic perennial plant is native to shallow water in pond/lake margins and in bogs...

Key Takeaways

  • This article explains Bogbean facts in simple medical language.
  • This article explains Bogbean Scientific Classification in simple medical language.
  • This article explains Traditional uses and benefits of Bogbean in simple medical language.
  • This article explains Ayurvedic Health benefits of Bogbean in simple medical language.
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Definition

Bogbean scientifically known as Menyanthes trifoliate belongs to the plant family Menyanthaceae. Other common names of Bogbean are Moon flower, buckbean, marsh trefoil, Water Trefoil, Marsh Clover, bean trefoil, bitterworm, bog nut, scarfano, vattenklover, bukkeblad, Horblaoka, treefold, bitterklee, bog Hop, Boonan, Raate, Sumpfflee, bitter trefoil, brook bean and water Shamrock. This rhizomatous emergent aquatic perennial plant is native to shallow water in pond/lake margins and in bogs of Europe and North America where it is found growing from Labrador to Alaska in the north and southwards to West Virginia and extending to Wyoming. In some states of the US, this species has become rare or turned into an endangered species. The generic name Menyanthes probably comes from the Greek menyein, meaning disclosing, and anthos, meaning flower.

Bogbean facts

Name Bogbean
Scientific Name Menyanthes trifoliata
Native Europe and North America
Common Names Bog bean, Moon flower, buckbean, or marsh trefoil, Water Trefoil, Marsh Clover, bean trefoil, bitterworm, bog nut, scarfano, vattenklover, bukkeblad, Horblaoka, treefold, bitterklee, bog Hop, Boonan, Raate, Sumpfflee, bitter trefoil, brook bean, water Shamrock
Name in Other Languages Chinese: Shuì cài (睡菜)
Danish: Bukkeblad
Dutch: Waterdrieblad
English: Bog Buckbean, bog-bean, buck-bean, common bogbean, Marsh Trefoil
Finnish: Raate
French: Trèfle d’eau, Ményanthe, trefle des marais
German: Bitterklee, Fieberkle, Fieberklee
Hungarian: Bolyhosvirág
Icelandic: Reiðinglyng
Norwegian: Bukkeblad
Romanian: Bobul broaştei, plumînare, plumînea, trei fraţi, trifoi amar, trifoi de baltă, trifoişte, trifoişte de baltă
Spanish: Trébol de agua
Swedish: Vattenklöver
Ukrainian: Vadeanei bobovnic
Plant Growth Habit Rhizomatous emergent aquatic perennial plant
Growing Climate Found in various wetland habitats such as fens, pools, marshes, older woods, ditches, bogs, lake shores, swampy prairies, particularly in acid or oligotrophic conditions.
Plant Size Grow up to 15 to 30 cm in height (above water)
Root Thick, creeping and can both be attached to the ground or may be free-floating in water.
Leaf Alternate, long-stalked, usually only 2–3. Blade with 3 leaflets, leaflets is stalk less, elliptic–obovate, with entire margins, glabrous. Leaflets are 1½ to 2½ inches long and to 1 inch wide, becoming larger later in the season.
Flowering Periods May to July
Flower Star shaped, five-petalled and fringed with extravagant white, cottony hairs which have a pinkish flush on the outside of the petals
Fruit Spherical, 1-parted, many-seeded capsule.
Seed Numerous, 2-3 mm long, lens shaped, yellow
Flavor/Aroma Odorless
Taste Bitter
Plant Parts Used Leaves, Rhizomes and Aerial Parts

Bogbean Scientific Classification

Scientific Name: Menyanthes trifoliata

Rank Scientific Name & (Common Name)
Kingdom Plantae (Plants)
Subkingdom Tracheobionta (Vascular plants)
Infrakingdom Streptophyta  (land plants)
Superdivision Spermatophyta (Seed plants)
Division Magnoliophyta (Flowering plants)
Class Magnoliopsida (Dicotyledons)
Subclass Asteridae
Order Solanales
Family Menyanthaceae (Buckbean family)
Genus Menyanthes L. (buckbean)
Species Menyanthes trifoliata L. (buckbean)
Synonyms
  • Menyanthes americana Sweet
  • Menyanthes latifolia Rafin.
  • Menyanthes palustris S.F.Gray
  • Menyanthes paradoxa Fries
  • Menyanthes tridentata Rafin.
  • Menyanthes trifoliata f. brevistyla
  • Menyanthes trifoliata subsp. verna (Raf.) Gervais & M.Parent
  • Menyanthes trifoliata var. minor Fernald
  • Menyanthes trifoliata var. minor Raf.
  • Menyanthes trifoliata var. trifoliata
  • Menyanthes trifolium Neck.
  • Menyanthes verna Rafin.

Plant Description

Bogbean is a rhizomatous emergent aquatic perennial plant that grows up to 15 to 30 cm in height (above water). The plant is found growing in various wetland habitats such as fens, pools, marshes, older woods, ditches, bogs, lake shores, swampy prairies, particularly in acid or oligotrophic conditions. Roots are thick, creeping and can both be attached to the ground or may be free-floating in water. Flower stalks and leaves rise well above the water surface from thick creeping rhizomes that spread indefinitely. Trifoliate leaves are alternate, long-stalked and have three elliptic leaflets. Leaflets are stalk less, elliptic–obovate, with entire margins, glabrous. Leaflets are 1½ to 2½ inches long and to 1 inch wide, becoming larger later in the season. Flowers are star shaped, five-petaled and fringed with extravagant white, cottony hairs which have a pinkish flush on the outside of the petals. Flowering normally takes place from May to July. Fruit is spherical, 1-parted, many-seeded capsule which contains numerous 2-3 mm long, lens shaped, yellow seeds.

Traditional uses and benefits of Bogbean

  • Finely powdered Buckbean leaves have been used as a remedy for ague, being said to affect a cure when other means fail.
  • Juice of the fresh leaves has proved effective in dropsical cases, and mixed with whey has been known to cure .
  • Buckbean tea, taken alone or mixed with wormwood, centaury or sage, is said to cure and a torpid .
  • An infusion is given in the treatment of muscular in M.E., infections with debility and exhaustion, , anorexia and rheumatism.
  • Given in small doses of about 10 grains it imparts vigor to the stomach and aids digestion.
  • Using the plant helps a person to gain weight.
  • It is believed to be an effective remedy for , especially when this condition is associated with weakness, and lack of vitality.
  • Leaves were used for tea to strengthen weak stomachs.
  • Plant was also used against , heart problems and .
  • Bogbean was also used to treat .
  • It is still used today in herbal medicine to treat various rheumatoid conditions.
  • An herbal tea made from the leaves has been used traditionally for irregular menstruation, to strengthen appetite, increase the secretion of digestive fluids, indigestion, and enhance nutrient absorption.
  • Ailments like dry , , , gout, arthritis (rheumatoid arthritis), rheumatism, and associated with chronic have also been treated with the herb.
  • It has been used as an external remedy for wounds, for skin rashes, , itch, and .
  • Tea made from the leaves, mixed with yarrow and peppermint is wonderful for common cold, flu, and stomach flu.
  • Combine with celery seed and black cohosh to treat rheumatism. It has also been combined with bugbane (Cimicifuga racemosa) or celery for joint and .

Ayurvedic Health benefits of Bogbean

  • Rheumatoid Arthritis: Take combined mixture of Black cohosh, Bogbean, white poplar and celery to treat Rheumatoid Arthritis. It can be taken internally as an infusion. Prepare an infusion of the dried leaves. Let leaves steep for 10-15 minutes. Drink before taking meals. Take thrice a day.
  • Arthritis: Prepare a decoction of devil’s claw, celery seed and Bogbean leaves. Drink twice a day.

Dosages for oral administration (adults) for traditional uses recommended in older and contemporary standard herbal reference texts are given below.

  • Dried leaf 1–2 g or by infusion three times daily.
  • Liquid extract 1–2mL (1: 1 in 25% alcohols) three times daily.
  • Tincture 1–3mL (1: 5 in 45% alcohols) three times daily.

Culinary Benefits

  • The leaves were used to flavor beer instead of hops in northern England and parts of Europe.
  • The powder can be used for making ‘missen bread’ (famine bread).
  • The root is an food that is used when all else fails.
  • Bogbean is used as a flavoring in food manufacturing.
  • This herb can be eaten in sandwiches and salads.

Other Facts

  • The plant also contains a chemical compound which attracts cats.

Precautions

  • Large doses may cause abdominal pains, nausea, and .
  • The fresh plant causes vomiting.
  • People suffering from diarrhea, dysentery, or ulcers of the digestive system should avoid using the herb.
  • It is not recommended in case of acute intestinal inflammation.
  • The herb is not suitable for children.
  • Bogbean could increase the risk of bleeding during and after surgery. Stop using Bogbean at least two weeks before a scheduled surgery.

 


References

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Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Medicine doctor / pediatrician for children / qualified clinician
Tests to discuss with doctor
  • Temperature chart and hydration assessment
  • CBC with platelet count if fever persists or dengue/other infection is possible
  • Urine test, malaria/dengue tests, chest evaluation, or blood culture only when clinically indicated
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?
  • Do I need antibiotics, or is this more likely viral?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Bogbean, Menyanthes trifoliate, Moon flower, buckbean, Water Trefoil, Marsh Clover

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

Internal learning pathway

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